cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Constraints on Minimal SUSY models with warm dark matter neutralinos
Creators: name: Gelmini, Graciela
name: Yaguna, Carlos E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: If the energy density of the Universe before nucleosynthesis is dominated by a scalar field $ϕ$ that decays and reheats the plasma to a low reheating temperature $T_{RH}$, neutralinos may be warm dark matter particles. We study this possibility and derive the conditions on the production mechanism and on the supersymmetric spectrum for which it is viable. Large values of the $μ$ parameter and of the slepton masses are characteristic features of these models. We compute the expected direct detection cross sections and point out that Split-SUSY provides a natural framework for neutralino warm dark matter
description: 5 pages, 2 figures
The Formation of the Oort Cloud in Open Cluster Environments
Creators: name: Kaib, Nathan A.
name: Quinn, Thomas
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the influence of an open cluster environment on the formation and current structure of the Oort cloud. To do this, we have run 19 different simulations of the formation of the Oort Cloud for 4.5 Gyrs. In each simulation, the solar system spends its first 100 Myrs in a different open cluster environment before transitioning to its current field environment. We find that, compared to forming in the field environment, the inner Oort Cloud is preferentially loaded with comets while the Sun resides in the open cluster and that most of this material remains locked in the interior of the cloud for the next 4.4 Gyrs. In addition, the outer Oort Cloud trapping efficiencies we observe in our simulations are lower than previous formation models by about a factor of 2, possibly implying an even more massive early planetesimal disk. Furthermore, some of our simulations reproduce the orbits of observed extended scattered disk objects, which may serve as an observational constraint on the Sun's early environment. Depending on the particular open cluster environment, the properties of the inner Oort Cloud and extended scattered disk can vary widely. On the other hand, the outer portions of the Oort Cloud in each of our simulations are all similar.
description: 65 pages, 14 figures, 3 tables, Accepted to Icarus
Rapid N_H changes in NGC 4151
Creators: name: Puccetti, S.
name: Fiore, F.
name: Risaliti, G.
name: Capalbi, M.
name: Elvis, M.
name: Nicastro, F.
name: .
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have analyzed the two longest (elapsed time > 3 days) BeppoSAX observations of the X-ray brightest Seyfert galaxy, NGC 4151, to search for spectral variability on time-scales from a few tens of ksec to years. We found in both cases highly significant spectral variability below ~ 6 keV down to the shortest time-scales investigated. These variations can be naturally explained in terms of variations in the low energy cut-off due to obscuring matter along the line of sight. If the cut-off is modeled by two neutral absorption components, one fully covering the source and the second covering only a fraction of the source, the shortest time-scale of variability of a few days constrains the location of the obscuring matter to within 3.4 X 10^4 Schwarzschild radii from the central X-ray source. This is consistent with the distance of the Broad Emission Line Region, as inferred from reverberation mapping, and difficult to reconcile with the parsec scale dusty molecular torus of Krolik & Begelman (1988). We have also explored a more complex absorption structure, namely the presence of an ionized absorber. Although the behaviour of the ionization parameter is nicely consistent with the expectations, the results are not completely satisfactory from the statistical point of view. The overall absorption during the 2001 December observation is lower than in all other historical observations with similar 2-10 keV flux. This suggests that absorption variability plays a crucial role in the observed flux variability of this source.
description: Added references, corrected typos. 21 pages, 9 figures; accepted for publication in Monthly Notices of the Royal Astronomical Society Main Journal
Gravity on an extended brane in six-dimensional warped flux compactifications
Creators: name: Kobayashi, Tsutomu
name: Minamitsuji, Masato
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study linearized gravity in a six-dimensional Einstein-Maxwell model of warped braneworlds, where the extra dimensions are compactified by a magnetic flux. It is difficult to construct a strict codimension two braneworld with matter sources other than pure tension. To overcome this problem we replace the codimension two defect by an extended brane, with one spatial dimension compactified on a Kaluza-Klein circle. Our background is composed of a warped, axisymmetric bulk and one or two branes. We find that weak gravity sourced by arbitrary matter on the brane(s) is described by a four-dimensional scalar-tensor theory. We show, however, that the scalar mode is suppressed at long distances and hence four-dimensional Einstein gravity is reproduced on the brane.
description: 20 pages, 7 figures; v2: references and comments added; v3: version published in Physical Review D
Modelling of Wave Propagation in Wire Media Using Spatially Dispersive Finite-Difference Time-Domain Method: Numerical Aspects
Creators: name: Zhao, Yan
name: Belov, Pavel
name: Hao, Yang
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The finite-difference time-domain (FDTD) method is applied for modelling of wire media as artificial dielectrics. Both frequency dispersion and spatial dispersion effects in wire media are taken into account using the auxiliary differential equation (ADE) method. According to the authors' knowledge, this is the first time when the spatial dispersion effect is considered in the FDTD modelling. The stability of developed spatially dispersive FDTD formulations is analysed through the use of von Neumann method combined with the Routh-Hurwitz criterion. The results show that the conventional stability Courant limit is preserved using standard discretisation scheme for wire media modelling. Flat sub-wavelength lenses formed by wire media are chosen for validation of proposed spatially dispersive FDTD formulation. Results of the simulations demonstrate excellent sub-wavelength imaging capability of the wire medium slabs. The size of the simulation domain is significantly reduced using the modified perfectly matched layer (MPML) which can be placed in close vicinity of the wire medium. It is demonstrated that the reflections from the MPML-wire medium interface are less than -70 dB, that lead to dramatic improvement of convergence compared to conventional simulations.
description: 8 pages, 7 figures, submitted to IEEE Transactions on Antennas and Propagation
Surface versus bulk characterization of the electronic inhomogeneity in a VO_{2} film
Creators: name: Chang, Y. J.
name: Yang, J. S.
name: Kim, Y. S.
name: Kim, D. H.
name: Noh, T. W.
name: Kim, D. -W.
name: OH, E.
name: Kahng, B.
name: Chung, J. -S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigated the inhomogeneous electronic properties at the surface and interior of VO_{2} thin films that exhibit a strong first-order metal-insulator transition (MIT). Using the crystal structural change that accompanies a VO_{2} MIT, we used bulk-sensitive X-ray diffraction (XRD) measurements to estimate the fraction of metallic volume p^{XRD} in our VO_{2} film. The temperature dependence of the p$^{XRD}$ was very closely correlated with the dc conductivity near the MIT temperature, and fit the percolation theory predictions quite well: $σ$ $\sim$ (p - p_{c})^{t} with t = 2.0$\pm$0.1 and p_{c} = 0.16$\pm$0.01. This agreement demonstrates that in our VO$_{2}$ thin film, the MIT should occur during the percolation process. We also used surface-sensitive scanning tunneling spectroscopy (STS) to investigate the microscopic evolution of the MIT near the surface. Similar to the XRD results, STS maps revealed a systematic decrease in the metallic phase as temperature decreased. However, this rate of change was much slower than the rate observed with XRD, indicating that the electronic inhomogeneity near the surface differs greatly from that inside the film. We investigated several possible origins of this discrepancy, and postulated that the variety in the strain states near the surface plays an important role in the broad MIT observed using STS. We also explored the possible involvement of such strain effects in other correlated electron oxide systems with strong electron-lattice interactions.
description: 27 pages and 7 figures
The relationship between self-esteem and health promoting behaviors in working women
Creators: name: Stone, Sharon Ann
Publisher: name: University of British Columbia
Year: 2010

description: To date, the undertaking of health promoting behaviors in working women is an issue which has not been explored in any depth. This issue has become particularly important because of two parallel phenomena - the rapid expansion of the numbers of women in the workforce, and the growing interest in health promotion - which have emerged in Canada in the last twenty years or so. As well, factors which may relate to the undertaking of health promoting behaviors have been hypothesized and investigated to some extent, but have not yet been fully determined. Self-esteem has been proposed as one motivational factor in the undertaking of health promoting behaviors. The present study has sought to determine the extent to which self-esteem, working conditions, and demographic factors, are related to the undertaking of health promoting behaviors in working women. The conceptual model used is a modified version of Pender's (1982) Health Promotion Model in which a feedback mechanism operates, reinforcing the performance of health promoting behavior as self-esteem levels grow, and equally, reinforcing self-esteem levels according to the extent to which health promoting behaviors are undertaken. Subjects of a random sample of 500 female union members working in the greater Vancouver area were mailed a questionnaire package. The questionnaires asked for data on present levels of self-esteem, health promoting behaviors presently undertaken, and demographic and working condition factors. Following a repeat mailing, the final number of responses available for analysis was 229 (46%). Simple linear regression analysis revealed that self-esteem was predictive of health promoting behaviors in a global sense, and, in particular, of self-actualization, health responsibility, exercise, and nutrition. However, neither demographic variables, nor the number of hours worked per week, were found to be predictive of health promoting behaviors. Although the study suffered from a limitation due to a low response rate, the sample was determined to be broadly representative of the union population. Therefore, these study results may be generalized to other urban, unionized females sharing similar demographic characteristics.
Defining relations of the tame automorphism group of polynomial algebras in three variables
Creators: name: Umirbaev, Ualbai
Publisher: name: arXiv
Year: 2006
Subjects: subject: Algebraic Geometry (math.AG)
subject: Commutative Algebra (math.AC)
subject: FOS: Mathematics

description: We describe a set of defining relations of the tame automorphism group TA_3(F) of the polynomial algebra F[x_1,x_2,x_3] in variables x_1,x_2,x_3 over an arbitrary field F of characteristic 0.
description: 34 pages
DNA sequence and structure analysis of the Drosophila gene Polyhomeotic
Creators: name: Daly, Mark K.
Publisher: name: University of British Columbia
Year: 2010

description: polyhomeotic is a gene of the Polycomb-group required for proper segment determination in Drosophila. Genetic and molecular analysis has shown that ph has a repetetive structure. The DNA sequence presented here shows that ph consists of a direct tandem duplication with very high sequence conservation. Analysis of the sequence has revealed several conserved open reading frames and splice junctions, putative transcriptional promoter and terminator sequences, polyadenylation signals and translational start signals. In addition, the DNA sequence shows that ph contains a zinc finger sequence in each repeat. This suggests that ph may encode a DNA-binding protein.
Littorina sitkana var. atkana Dall 1886
Creators: name: McGhie, Henry
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Littorinimorpha
Littorinidae
Littorina
Littorina sitkana

description: atkana Dall 1886: 211. New variety of Littorina sitkanaPhilippi 1846. Bering Island. Three syntypes EE.3694 {Smithsonian Institution}.
description: Published as part of McGhie, Henry, 2008, Catalogue of type specimens of molluscs in the collection of The Manchester Museum, The University of Manchester, UK, pp. 1-46 in ZooKeys 4 (4) on page 6, DOI: 10.3897/zookeys.4.32, http://zenodo.org/record/576421
description: {"references": ["Dall WH (1886) Contributions to the natural history of the Commander Islands. No. VI, Report on Bering Island Mollusca collected by Mr. Nicholas Grebnitzki. Proceedings of the United States National Museum 9: 209 - 219."]}
Prognostic and predictive biomarkers associated with radiotherapy and chemotherapy response in non-small cell lung cancer patients
Creators: name: Baena Acevedo, Juvenal D.
Publisher: name: University of Leicester
Year: 2021
Subjects: Uncategorized

description: Lung cancer is the largest single cause of cancer-related mortality worldwide. Over 85% of these lesions correspond to non-small cell lung cancer (NSCLC). Lung cancer patients receive different treatments depending on their detailed clinical-pathological context. Radiotherapy and adjuvant chemotherapy scheme is mainly tailored to the clinical stage (TNM). Therefore, our thesis aim was to identify biomarkers to predict overall survival (OS), and treatment efficacy in radiotherapy/chemotherapy-treated lung cancer patients.We designed retrospective studies with two different patient cohorts. The first one included 126 NSCLC cases with a history of radiotherapy treatment with curative intent. The second one included 1025 surgical specimens from primary pulmonary adenocarcinoma surgeries performed with curative intent that were available and complete in terms of tissue sample. Our endpoints were OS and proportion tumour response at 100 days (PTR-100), biomarkers analysed were LZIC, Ki67, p53, growth-pattern gradings including predominant pattern, worst patter, IASLC grading, and composite risk category (CRC).We were able to classify tumours as radioresistant and radiosensitive ones according to PTR-100. LZIC, Ki67, and tumour nuclear size which showed to be independent biomarkers to predict radiotherapy-treatment tumour response. Manual and automated Ki67 scores predicted poor prognosis. In addition, high-risk manual Ki67 and high-risk stroma automated Ki67 predicted chemotherapy effects. CRC showed to be an independent prognostic variable in non-mucinous and mucinous adenocarcinomas. Furthermore, high-risk CRC-3X was predictive marker to chemotherapy effects in non-mucinous adenocarcinomas.Our thesis results suggest that LZIC, Ki67 and tumour nuclear size could be predictive markers to stratify better patients with NSCLC to undergo to radiotherapy. We proposed CRC as a novel histological growth-pattern grading to predict poor prognosis in lung adenocarcinoma, and chemotherapy efficacy in non-mucinous adenocarcinomas. Finally, high-risk manual Ki67 and high-risk stroma Ki67 would be useful biomarkers to predict beneficial chemotherapy-treatment in lung adenocarcinomas.
Urocoptis livida var. atkinsi Clench and Torre in Torre and Clench 1930
Creators: name: McGhie, Henry
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Stylommatophora
Urocoptidae
Urocoptis
Urocoptis livida

description: atkinsi Clench and Torre in Torre and Clench 1930: 15; pl. 2, figs. 5, 6. New variety of Urocoptis lividaTorre. Vilches Potrero, Central Soledad, Cienfuegos, Cuba. Three paratypes EE.3625 {Spence}, 29 possible paratypes EE.4820 {Spence ex Clench} and 9 possible paratypes EE.4866 {Spence ex Clench}.
description: Published as part of McGhie, Henry, 2008, Catalogue of type specimens of molluscs in the collection of The Manchester Museum, The University of Manchester, UK, pp. 1-46 in ZooKeys 4 (4) on page 6, DOI: 10.3897/zookeys.4.32, http://zenodo.org/record/576421
description: {"references": ["Torre C de la, Clench WS (1930) West Indian Mollusks. No. 1: Two new varieties of Urocoptis livida Torre. Nautilus 44: 15 - 16; pl. 2."]}
Self-Enrichment in Globular Clusters: Is There a Role for the Super-Asymptotic Giant Branch Stars?
Creators: name: Pumo, M. L.
name: D'Antona, F.
name: Ventura, P.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In four globular clusters (GCs) a non negligible fraction of stars can be interpreted only as a very helium rich population. The evidence comes from the presence of a "blue" main sequence in $ω$ Cen and NGC 2808, and from the the very peculiar horizontal branch morphology in NGC 6441 and NGC 6388. Although a general consensus is emerging on the fact that self--enrichment is a common feature among GCs, the helium content required for these stars is Y$\simgt$0.35, and it is difficult to understand how it can be produced without any --or, for $ω$ Cen, without a considerable--associated metal enhancement. We examine the possible role of super--AGB stars, and show that they may provide the required high helium. However, the ejecta of the most massive super--AGBs show a global CNO enrichment by a factor of $\simeq$4, due to the dredge--out process occurring at the second dredge up stage. If these clusters show no evidence for this CNO enrichment, we can rule out that at least the most massive super--AGBs evolve into O--Ne white dwarfs and take part in the formation of the second generation stars. This latter hypothesis may help to explain the high number of neutron stars present in GCs. The most massive super--AGBs would in fact evolve into electron--capture supernovae. Their envelopes would be easily ejected out of the cluster, but the remnant neutron stars remain into the clusters, thanks to their small supernova natal kicks.
description: version accepted for publication in The Astrophysical Journal Letters
New Type Phase Transition of Li2RuO3 with Honeycomb Structure
Creators: name: Miura, Yoko
name: Yasui, Yukio
name: Sato, Masatoshi
name: Igawa, Naoki
name: Kakurai, Kazuhisa
Publisher: name: arXiv
Year: 2006
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A new-type structural transition has been found in Li2RuO3 with honeycomb lattice of edge-sharing RuO6-octahedra. With decreasing temperature T, the electrical resistivity exhibits an anomalous increase at T=Tc~540 K, suggesting the (metal to insulator)-like transition and the magnetic susceptibility also shows a sharp decrease. Detailed structure analyses have revealed that the high temperature space group C2/m changes to P21/m at Tc. The most striking fact is that a significant reduction of the bond lengths is found between two of six Ru-Ru pairs of the hexagon in the low temperature phase, indicating a new type phase transition by the mechanism of the formation of molecular orbits of these Ru-Ru pairs.
description: 4 pages, 7 figures, submitted to J. Phys. Soc. Jpn
Bifurcation diagram and pattern formation in superconducting wires with electric currents
Creators: name: rubinstein, J.
name: Sternberg, P.
name: Ma, Q.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We examine the behavior of a one-dimensional superconducting wire exposed to an applied electric current. We use the time-dependent Ginzburg-Landau model to describe the system and retain temperature and applied current as parameters. Through a combination of spectral analysis, asymptotics and canonical numerical computation, we divide this two-dimensional parameter space into a number of regions. In some of them only the normal state or a stationary state or an oscillatory state are stable, while in some of them two states are stable. One of the most interesting features of the analysis is the evident collision of real eigenvalues of the associated PT-symmetric linearization, leading as it does to the emergence of complex elements of the spectrum. In particular this provides an explanation to the emergence of a stable oscillatory state. We show that part of the bifurcation diagram and many of the emerging patterns are directly controlled by this spectrum, while other patterns arise due to nonlinear interaction of the leading eigenfunctions.
Helix polymorpha var. attrita Lowe 1831
Creators: name: McGhie, Henry
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Helotiales
Pyramidellidae
Helix
Helix polymorpha

description: attrita Lowe 1831: 54. New form of Helix polymorphaLowe 1831: 54. In collibus montisubve Portûs Sti. Two syntypes [Pico l’Anna Ferreira, Porto Santo, Madeira] EE.1714 {Preston 1907, ex Wollaston}.
description: Published as part of McGhie, Henry, 2008, Catalogue of type specimens of molluscs in the collection of The Manchester Museum, The University of Manchester, UK, pp. 1-46 in ZooKeys 4 (4) on page 6, DOI: 10.3897/zookeys.4.32, http://zenodo.org/record/576421
description: {"references": ["Lowe RT (1831) Primitiae faunae et florae Maderae et Portus Sancti; sive species quaedam novae vel hactenus minus rite cognitae animalium et plantarum in his insulis degentium breviter descriptae. Transactions of the Cambridge Philosophical Society 4: 1 - 70."]}
Equivariant cohomology and analytic descriptions of ring isomorphisms
Creators: name: Chen, Bo
name: Lü, Zhi
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 57S17; 55N91; 58J20

description: In this paper we consider a class of connected closed $G$-manifolds with a non-empty finite fixed point set, each $M$ of which is totally non-homologous to zero in $M_G$ (or $G$-equivariantly formal), where $G={\Bbb Z}_2$. With the help of the equivariant index, we give an explicit description of the equivariant cohomology of such a $G$-manifold in terms of algebra, so that we can obtain analytic descriptions of ring isomorphisms among equivariant cohomology rings of such $G$-manifolds, and a necessary and sufficient condition that the equivariant cohomology rings of such two $G$-manifolds are isomorphic. This also leads us to analyze how many there are equivariant cohomology rings up to isomorphism for such $G$-manifolds in 2- and 3-dimensional cases.
description: 20 pages, updated version with two references added
3D phase-matching conditions for the generation of entangled triplets by chi(2) interlinked interactions
Creators: name: Bondani, Maria
name: Allevi, Alessia
name: Gevinti, Eleonora
name: Agliati, Andrea
name: Andreoni, Alessandra
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: An analytical calculation of the interaction geometry of two interlinked second-order nonlinear processes fulfilling phase-matching conditions is presented. The method is developed for type-I uniaxial crystals and gives the positions on a screen beyond the crystal of the entangled triplets generated by the interactions. The analytical results are compared to experiments realized in the macroscopic regime. Preliminary tests to identify the triplets are also performed based on intensity correlations.
description: 6 pages, 3 figures, 1 movie (extension of fig. 2)
NLC-2 graph recognition and isomorphism
Creators: name: Limouzy, Vincent
name: De Montgolfier, Fabien
name: Rao, Michaël
Publisher: name: arXiv
Year: 2007
Subjects: subject: Data Structures and Algorithms (cs.DS)
subject: FOS: Computer and information sciences

description: NLC-width is a variant of clique-width with many application in graph algorithmic. This paper is devoted to graphs of NLC-width two. After giving new structural properties of the class, we propose a $O(n^2 m)$-time algorithm, improving Johansson's algorithm \cite{Johansson00}. Moreover, our alogrithm is simple to understand. The above properties and algorithm allow us to propose a robust $O(n^2 m)$-time isomorphism algorithm for NLC-2 graphs. As far as we know, it is the first polynomial-time algorithm.
description: soumis \`{a} WG 2007; 12p
The Anick automorphism of free associative algebras
Creators: name: Umirbaev, Ualbai
Publisher: name: arXiv
Year: 2006
Subjects: subject: Rings and Algebras (math.RA)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We prove that the well-known Anick automorphism of the free associative algebra F over an arbitrary field F of characteristic 0 is wild.
description: 15 pages
title: The performance of balance exercises during daily tooth brushing is not sufficient to improve balance and muscle strength in healthy older adults
Creators: name: Granacher, Urs
name: Muehlbauer, Thomas
name: Göstemeyer, Gerd
name: Gruber, Stefanie
name: Gruber, Markus
Publisher: name: Universität Potsdam
Year: 2021
Subjects: subject: 610 Medizin und Gesundheit

description: Background High prevalence rates have been reported for physical inactivity, mobility limitations, and falls in older adults. Home-based exercise might be an adequate means to increase physical activity by improving health- (i.e., muscle strength) and skill-related components of physical fitness (i.e., balance), particularly in times of restricted physical activity due to pandemics. Objective The objective of this study was to examine the effects of home-based balance exercises conducted during daily tooth brushing on measures of balance and muscle strength in healthy older adults. Methods Fifty-one older adults were randomly assigned to a balance exercise group (n = 27; age: 65.1 ± 1.1 years) or a passive control group (n = 24; age: 66.2 ± 3.3 years). The intervention group conducted balance exercises over a period of eight weeks twice daily for three minutes each during their daily tooth brushing routine. Pre- and post-intervention, tests were included for the assessment of static steady-state balance (i.e., Romberg test), dynamic steady-state balance (i.e., 10-m single and dual-task walk test using a cognitive and motor interference task), proactive balance (i.e., Timed-Up-and-Go Test [TUG], Functional-Reach-Test [FRT]), and muscle strength (i.e., Chair-Rise-Test [CRT]). Results Irrespective of group, the statistical analysis revealed significant main effects for time (pre vs. post) for dual-task gait speed (p
description: Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe; 733
Supplementary document for Omnidirectional Color Shift Suppression of Full-color Micro-LED Displays with Enhanced Light Extraction Efficiency - 6306210.pdf
Creators: name: Liu, Yongzhen
name: Xia, Tianwen
name: Du, Aochen
name: Liang, Tao
name: Fan, Zhengui
name: Chen, Enguo
name: Sun, Jie
name: Yan, Qun
name: Guo, Tailiang
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: 486014
title: Three-dimensional in vivo analysis of water uptake and translocation in maize roots by fast neutron tomography
Creators: name: Tötzke, Christian
name: Kardjilov, Nikolay
name: Hilger, André
name: Rudolph-Mohr, Nicole
name: Manke, Ingo
name: Oswald, Sascha
Publisher: name: Universität Potsdam
Year: 2021
Subjects: subject: 500 Naturwissenschaften und Mathematik
subject: 600 Technik, Technologie

description: Root water uptake is an essential process for terrestrial plants that strongly affects the spatiotemporal distribution of water in vegetated soil. Fast neutron tomography is a recently established non-invasive imaging technique capable to capture the 3D architecture of root systems in situ and even allows for tracking of three-dimensional water flow in soil and roots. We present an in vivo analysis of local water uptake and transport by roots of soil-grown maize plants—for the first time measured in a three-dimensional time-resolved manner. Using deuterated water as tracer in infiltration experiments, we visualized soil imbibition, local root uptake, and tracked the transport of deuterated water throughout the fibrous root system for a day and night situation. This revealed significant differences in water transport between different root types. The primary root was the preferred water transport path in the 13-days-old plants while seminal roots of comparable size and length contributed little to plant water supply. The results underline the unique potential of fast neutron tomography to provide time-resolved 3D in vivo information on the water uptake and transport dynamics of plant root systems, thus contributing to a better understanding of the complex interactions of plant, soil and water.
description: Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe; 1217
Y-Formalism and Curved Beta-Gamma Systems
Creators: name: Grassi, Pietro Antonio
name: Oda, Ichiro
name: Tonin, Mario
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We adopt the Y-formalism to study beta-gamma systems on hypersurfaces. We compute the operator product expansions of gauge-invariant currents and we discuss some applications of the Y-formalism to model on Calabi-Yau spaces.
description: 32 pp, no figures
Conceptions of friendship: how women and men perceive themselves and others in the context of their friendships
Creators: name: Parker, Sandra
Publisher: name: University of British Columbia
Year: 2010

description: This study examined the ways in which women and men view themselves and their women and men friends, in the context of their friendships. Ninety-five female and 95 male undergraduates completed the Friendship Questionnaire, in which they rated each of their closest friends, and rated themselves with each of those friends, on 13 dimensions of friendship. Test-retest procedures demonstrated the measure had satisfactory reliability. The general results are reflected in three patterns of friendship: 1) relationships with men friends tend to be less reciprocal than relationships with women friends in self disclosure, empathic understanding, deepening other's self awareness, and responsibility; 2) men's same-sex relationships tend to be lower in appreciation, empathic understanding, deepening other's self awareness, responsibility, and empowerment; and 3) women tend to report that they give more than they receive in friendships with women and men, on empathic understanding, self disclosure, and connectedness. The results of this study support the notion that although there is more commonality than difference in women's and men's friendships, many significant differences do exist. Further, this methodology illustrates the importance of studying people's conceptions of themselves and their friendships within the context of their specific real-life relationships.
Reversing non-local transport through a superconductor by electromagnetic excitations
Creators: name: Yeyati, A. Levy
name: Bergeret, F. S.
name: Martin-Rodero, A.
name: Klapwijk, T. M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Superconductors connected to normal metallic electrodes at the nanoscale provide a potential source of non-locally entangled electron pairs. Such states would arise from Cooper pairs splitting into two electrons with opposite spins tunnelling into different leads. In an actual system the detection of these processes is hindered by the elastic transmission of individual electrons between the leads, yielding an opposite contribution to the non-local conductance. Here we show that electromagnetic excitations on the superconductor can play an important role in altering the balance between these two processes, leading to a dominance of one upon the other depending on the spatial symmetry of these excitations. These findings allow to understand some intriguing recent experimental results and open the possibility to control non-local transport through a superconductor by an appropriate design of the experimental geometry.
description: 6 pages, 3 figures
Inequalities and monotonicity of ratios for generalized hypergeometric function
Creators: name: Karp, D.
name: Sitnik, S. M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 33C20

description: We find two-sided inequalities for the generalized hypergeometric function of the form ${_{q+1}}F_{q}(-x)$ with positive parameters restricted by certain additional conditions. Both lower and upper bounds agree with the value of ${_{q+1}}F_{q}(-x)$ at the endpoints of positive semi-axis and are asymptotically precise at one of the endpoints. The inequalities are derived from a theorem asserting the monotony of the quotient of two generalized hypergeometric functions with shifted parameters. The proofs hinge on a generalized Stieltjes representation of the generalized hypergeometric function. This representation also provides yet another method to deduce the second Thomae relation for ${_{3}F_{2}}(1)$ and leads to an integral representations of ${_{4}F_{3}}(x)$ in terms of the Appell function $F_3$. In the last section of the paper we list some open questions and conjectures.
description: 15 pages, this is the form accepted by Journal of Approximation Theory. Many typos corrected, important references added, several remarks added thoughout the paper. Principal results did not change
title: Phylogeography of a widely distributed plant species reveals cryptic genetic lineages with parallel phenotypic responses to warming and drought conditions
Creators: name: Kahl, Sandra
name: Kappel, Christian
name: Joshi, Jasmin
name: Lenhard, Michael
Publisher: name: Universität Potsdam
Year: 2021
Subjects: subject: 500 Naturwissenschaften und Mathematik
subject: 570 Biowissenschaften; Biologie

description: To predict how widely distributed species will perform under future climate change, it is crucial to understand and reveal their underlying phylogenetics. However, detailed information about plant adaptation and its genetic basis and history remains scarce and especially widely distributed species receive little attention despite their putatively high adaptability. To examine the adaptation potential of a widely distributed species, we sampled the model plant Silene vulgaris across Europe. In a greenhouse experiment, we exposed the offspring of these populations to a climate change scenario for central Europe and revealed the population structure through whole-genome sequencing. Plants were grown under two temperatures (18°C and 21°C) and three precipitation regimes (65, 75, and 90 mm) to measure their response in biomass and fecundity-related traits. To reveal the population genetic structure, ddRAD sequencing was employed for a whole-genome approach. We found three major genetic clusters in S. vulgaris from Europe: one cluster comprising Southern European populations, one cluster of Western European populations, and another cluster containing central European populations. Population genetic diversity decreased with increasing latitude, and a Mantel test revealed significant correlations between FST and geographic distances as well as between genetic and environmental distances. Our trait analysis showed that the genetic clusters significantly differed in biomass-related traits and in the days to flowering. However, half of the traits showed parallel response patterns to the experimental climate change scenario. Due to the differentiated but parallel response patterns, we assume that phenotypic plasticity plays an important role for the adaptation of the widely distributed species S. vulgaris and its intraspecific genetic lineages.
description: Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe; 1218
G proteins in the basal ganglia
Creators: name: Drinnan, Suzane Loraine
Publisher: name: University of British Columbia
Year: 2010

description: G proteins are alpha-beta-gamma heterotrimers in the resting state, bound to GDP and complexed with the unbound receptor. Once the receptor becomes occupied, the alpha subunit exchanges GDP for GTP, becomes activated, and dissociates from the receptor and can stimulate or inhibit many intracellular activities such as phosphorylation and channel conductance. For example, Gs and Golf alpha subunits stimulate and Gi alpha subunits inhibit adenylyl cyclase. Go alpha subunits are abundant in brain, but are of unknown function. cDNAs for the alpha subunit have been cloned. In order to examine the relative distributions of G proteins in the brain, we used in situ hybridization with radiolabelled synthetic oligonucleotide probes. By using a tyrosine hydroxylase antibody, we found that the dopaminergic neurons of the substantia nigra and the noradrenergic neurons of the locus ceruleus express mRNA for the alpha subunits for each of Gi, Go, and Gs. We noted a paucity of Gs mRNA in the striatum. This was surprising because the basal ganglia contain a dopamine-stimulated adenylyl cyclase activity which has been assumed to be transduced by Gs. Also, immunohistochemistry, immunoblotting, and cholera ADP-ribosylation indicated a very high level of Gs alpha-like protein in the striatum. In order to ascertain which specific G protein we were detecting, we made probes to a new G protein previously identified in the olfactory system. Golf is a stimulatory G protein with size and sequence characteristics similar to those of Gs. The cholera toxin ADP-ribosylation site and C-terminal region to which the antibody was made are identical. We made oligonucloetide probes to the translated and untranslated portions of Golf alpha. High levels Golf mRNA and protein were detected in the striatum and nucleus accumbens, in addition to the expected high levels in the olfactory tubercle. Northern blot studies indicated that Golf transcripts are approximately ten-fold more abundant than Gs alpha transcripts in the striatum. These data indicate that Golf in not an olfactory-specific G protein. It is also the major stimulatory G protein in the basal ganglia. The selective expression of high levels of Golf in dopamine-rich forebrain areas suggest that it may couple DI dopamine receptors to adenylyl cyclase. The role of Golf in dopaminergic neurotransmission and neuropsychiatric disease should be considered.
title: Did the Minimum Wage Reduce the Gender Wage Gap in Germany?
Creators: name: Caliendo, Marco
name: Wittbrodt, Linda
Publisher: name: Universität Potsdam
Year: 2021
Subjects: subject: 330 Wirtschaft

description: In many countries, women are over-represented among low-wage employees, which is why a wage floor could benefit them particularly. Following this notion, we analyse the impact of the German minimum wage introduction in 2015 on the gender wage gap. Germany poses an interesting case study in this context, since it has a rather high gender wage gap and set the minimum wage at a relatively high level, affecting more than four million employees. Based on individual data from the Structure of Earnings Survey, containing information for over one million employees working in 60,000 firms, we use a difference-in- difference framework that exploits regional differences in the bite of the minimum wage. We find a significant negative effect of the minimum wage on the regional gender wage gap. Between 2014 and 2018, the gap at the 10th percentile of the wage distribution was reduced by 4.6 percentage points (or 32%) in regions that were strongly affected by the minimum wage compared to less affected regions. For the gap at the 25th percentile, the effect still amounted to -18%, while for the mean it was smaller (-11%) and not particularly robust. We thus find that the minimum wage can indeed reduce gender wage disparities. While the effect is highest for the low-paid, it also reaches up into higher parts of the wage distribution.
description: CEPA Discussion Papers; 40
Supplementary document for Optical metasurfaces for multiplex high-performance grating-type structural colors - 6269380.pdf
Creators: name: Li, Liye
name: Jin, Shengxiao
name: Hu, Senyong
name: Huang, Yun
name: Sun, Hongshun
name: Ma, Lijun
name: Kang, Tian
name: Chen, Yusa
name: Xiong, Shisong
name: Lin, Guanzhou
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplementary document.
Additional file 3: of MRCNN: a deep learning model for regression of genome-wide DNA methylation
Creators: name: Tian, Qi
name: Zou, Jianxiao
name: Tang, Jianxiong
name: Fang, Yuan
name: Yu, Zhongli
name: Fan, Shicai
Publisher: name: figshare
Year: 2019
Subjects: subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology

description: Additional figures. Comparison of the classification performances in three cancerous tissues. (PDF 56 kb)
Magnetization reversal through synchronization with a microwave
Creators: name: Sun, Z. Z.
name: Wang, X. R.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Based on the Landau-Lifshitz-Gilbert equation, it can be shown that a circularly-polarized microwave can reverse the magnetization of a Stoner particle through synchronization. In comparison with magnetization reversal induced by a static magnetic field, it can be shown that when a proper microwave frequency is used the minimal switching field is much smaller than that of precessional magnetization reversal. A microwave needs only to overcome the energy dissipation of a Stoner particle in order to reverse magnetization unlike the conventional method with a static magnetic field where the switching field must be of the order of magnetic anisotropy.
description: 4 pages, 5 figures
‘You’ll Fall Through All Those Boys’: Fiction, Narration and Truthfulness in Memoir
Creators: name: Morris, Alyson
Publisher: name: University of Leicester
Year: 2021
Subjects: Uncategorized

description: My thesis consists of a critical commentary and memoir. Through theoretical reflection and creative practice, I explore my parents’ experiences of war, research-based fiction in life writing, and an experimental form of narration to explore the nature of truthfulness in memoir. Ultimately, the creative work is an attempt to get closer to my parents, and to understand who they were before they met.The title of the memoir, ‘You’ll Fall Through All Those Boys’, is an old family saying on my mother’s side. Despite this, I use it as a metaphor for both stories: for my mother’s wartime friendships, and my father’s army experiences. The memoir is presented in two parts. Part one contains two separate stories, one for my mother and one for my father, running alongside each other as alternating chapters. The stories are set between 1943 and 1949, and I am present in the stories, narrating them as a ghost from the future. Part two contains transcripts of my mother’s memories, which I recorded digitally during the final years of her life.I present the commentary before the creative piece, as an attempt to defend the use of research-based fiction and immersive narration in memoir. I explain how this combined method of exploring truthfulness can enhance an understanding of family history for life writers. To support the method, I examine theories from writers such as Laurence Lerner on history and fiction, Wolfgang Iser on the real and imaginary, W.G. Sebald on fiction and truthfulness, and Melanie Anderson on spectrality. I explain how I use postmemory experiences to add an extra dimension to ghost narration, in order to heighten the truthfulness of the stories. Marianne Hirsch defines postmemory as the ‘relationship of the second generation to powerful, often traumatic, experiences that preceded their births but that were nevertheless transmitted to them so deeply as to seem to constitute memories in their own right.’1The combined method of exploring truthfulness in memoir constitutes my original contribution to creative writing practice. I attempt to recover gaps in family memories and historical research through creative practice and, in particular, through the interpolation of ghost narrator into the framework of memoir.
Condensation phenomena with distinguishable particles
Creators: name: Ohkubo, Jun
Publisher: name: arXiv
Year: 2007
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study real-space condensation phenomena in a type of classical stochastic processes (site-particle system), such as zero-range processes and urn models. We here study a stochastic process in the Ehrenfest class, i.e., particles in a site are distinguishable. In terms of the statistical mechanical analogue, the Ehrenfest class obeys the Maxwell-Boltzmann statistics. We analytically clarify conditions for condensation phenomena in disordered cases in the Ehrenfest class. In addition, we discuss the preferential urn model as an example of the disordered urn model. It becomes clear that the quenched disorder property plays an important role in the occurrence of the condensation phenomenon in the preferential urn model. It is revealed that the preferential urn model shows three types of condensation depending on the disorder parameters.
description: 7 pages, 4 figures
Bonnes pratiques et points de vigilance pour des contrats de quartiers fédérateurs et efficients
Creators: name: Balli, Fabio
name: Fanchini, Sandro
name: Rump, Niels
Publisher: name: Zenodo
Year: 2012
Subjects: contrat de quartier
démarche participative
participation citoyenne
engagement citoyen
société civile
contrat social
changement émergent

description: Ce document complète le travail Comment favoriser l'adhésion à une démarche participative ? Huit bonnes pratiques et points de vigilance pour des contrats de quartiers fédérateurs et efficients. Il offre au leader et aux membres des bonnes pratiques et points de vigilance pour des contrats de quartiers fédérateurs et efficients. L’adhésion et ses facteurs Le tableau de bord comme outil Le tableau de bord expliqué La mise en place de contrats Les étapes d’ajustement du groupe Les questions pour élaborer une vision partagée Les logiques de dialogues La prise en compte des besoins La posture constructive
$B$ to light meson form factors with end-point cutoff
Creators: name: Lee, Jong-Phil
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Decay form factors of $B$ to light pseudoscalar ($P$) and vector ($V$) mesons are analyzed with the momentum cutoff near end point. The cutoff is caused by possible Cherenkov gluon radiation when an energetic light parton from the weak vertex travels through the ''brown muck'' of light degrees of freedom. The end-point singularities and the double countings are naturally absent. The soft-overlap contributions where the partonic momenta configuration is highly asymmetric are very suppressed in this framework. A simple calculation gives a plausible results for $B\to P,V$ form factors.
description: 15 pages, 1 figure