cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Retrospective Interference Alignment for the 3-user MIMO Interference Channel with delayed CSIT
Creators: name: Torrellas, Marc
name: Agustin, Adrian
name: Vidal, Josep
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: The degrees of freedom (DoF) of the 3-user multiple input multiple output interference channel (3-user MIMO IC) are investigated where there is delayed channel state information at the transmitters (dCSIT). We generalize the ideas of Maleki et al. about {\it Retrospective Interference Alignment (RIA)} to be applied to the MIMO IC, where transmitters and receivers are equipped with $(M,N)$ antennas, respectively. We propose a two-phase transmission scheme where the number of slots per phase and number of transmitted symbols are optimized by solving a maximization problem. Finally, we review the existing achievable DoF results in the literature as a function of the ratio between transmitting and receiving antennas $ρ=M/N$. The proposed scheme improves all other strategies when $ρ\in \left(\frac{1}{2}, \frac{31}{32} \right]$.
description: Draft version of the accepted manuscript at IEEE ICASSP 14
Therapeutic targets and microenvironment in sequential biopsies of classical Hodgkin lymphoma at diagnosis and relapse
Creators: name: Schnitter, A.
name: Kohler, Christian
name: Reddemann, K.
name: Reinke, S.
name: Thorns, C.
name: Fend, F.
name: Federmann, B.
name: Moeller, P.
name: Szczepanowski, Monika
name: Spang, Rainer
name: Klapper, Wolfram
Publisher: name: Universität Regensburg
Year: 2019
Subjects: subject: Hodgkin lymphoma, Microenvironment, PDL1, PD1, CD30
subject: 004 Informatik
subject: 570 Biowissenschaften, Biologie

description: Classical Hodgkin lymphoma is dominated by the non-neoplastic microenvironment, while the neoplastic Hodgkin-Reed-Sternberg cells compose only a minority of cells in the lymphoma tissue. Both the Hodgkin-Reed-Sternberg cells due to their expression of CD30 and PD-L1 and the microenvironment with abundant T cells and expression of PD1 are specifically targeted by new treatment concepts. We aimed to understand the dynamics of therapeutic targets in patients treated with conventional chemotherapy. We analyzed sequential biopsy specimens obtained at diagnosis and at relapse from the same patient for morphology, immunophenotype, and microenvironmental components. The morphological subtype changed between primary and relapse biopsy in 20% of cases. The immunophenotype was stable with respect to CD30, CD3, and LMP1 but variable with respect to CD15 and CD20 expression. Gene expression revealed 8 upregulated and 20 downregulated genes at relapse (p ≤ 0.05) with a consistent logarithmic fold change direction in at least 75% of all cases. For PD1, we found discrepant results between gene expression analysis (decrease at relapse) and number of PD1-positive cells assessed by immunohistochemistry (unchanged at relapse). PD-L1 in the neoplastic cells appeared unchanged between primary diagnosis and relapse. The expression of the therapeutic targets CD30, PD1, and PD-L1 can reliably be assessed in tumor specimen at first diagnosis and is unchanged under conventional chemotherapy.
title: Insecticidal contact toxicity of several essential oils against stored product pests
Creators: name: Iakovlev, Petr A.
Publisher: name: Julius Kühn-Institut
Year: 2018

description: Results of laboratory bioassays in Petri dishes on evaluation of contact toxicity of Illicium verum, Artemisia absinthium and Abies sibirica essential oils (EOs) against larvae of khapra beetle, Trogoderma granarium Ev., adults of grain weevil, Sitophilus granarius L., and rice weevil, Sitophilus oryzae L., and confused flour beetle, Tribolium confusum Duv., and larvae and adults of the lesser mealworm, Tenebrio molitor L., are presented. EOs commercial samples from retail pharmacy were tested at doses 0.01, 0.25, 0.50, 0.75 and 1.00 µl/cm2. A treated Petri dish surface treted with acetone was used as a control. The experiment was carried out in triplicate. Mortality of insects was assessed after 1, 3, 6 and 24 hours post exposure. After exposure insects were placed into untreated Petri dishes for 3 days. The main components of the A. absinthium EOs are thujil alcohol (19.65%), phellandrene (16.71%), borneol (12.1%) and thujone (11.55%) was found. The major component of I. verum EOs was anethole (98.64%). Isobornyl acetate (57.25%), a-pinene (13.55%) and limonene (10.62%) were found as the main components of A. sibirica EOs. S. oryzae and S. granarius were most sensitive to each EO. I. verum EOs was the most effective and caused 100% mortality of each insect at the dose 0.25 µl/cm2.
description: Julius-Kühn-Archiv, Nr. 463, Vol. 2 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018
Ultralong spin lifetime in one-dimensional semiconductor nanowires
Creators: name: Dirnberger, Florian
name: Kammermeier, Michael
name: König, Jan
name: Forsch, Moritz
name: Faria Junior, Paulo E.
name: Campos, Tiago
name: Fabian, Jaroslav
name: Schliemann, John
name: Schüller, Christian
name: Korn, Tobias
name: Wenk, Paul
name: Bougeard, Dominique
Publisher: name: Universität Regensburg
Year: 2019
Subjects: subject: 530 Physik

description: We experimentally demonstrate ultralong spin lifetimes of electrons in the one-dimensional (1D) quantum limit of semiconductor nanowires. Optical probing of single wires of different diameters reveals an increase in the spin relaxation time by orders of magnitude as the electrons become increasingly confined until only a single 1D sub-band is populated after thermalization. We find the observed spin lifetimes of more than 200 ns to result from the robustness of 1D electrons against major spin relaxation mechanisms, highlighting the promising potential of these wires for long-range transport of coherent spin information.
Acondicionamiento de adultos de Mytilus californianus (Mollusca :
Creators: name: Carpizo Ituarte, Eugenio De Jesus
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: SH372.5 C37 1983

description: Se realizaron experimentos de alimentación con el mejillón Mytilus californianus, como experiencia preliminar para implementar una técnica de acondicionamiento con la finalidad de obtener gametos.
Future dynamics in f(R) theories
Creators: name: Müller, D.
name: de Andrade, V. C.
name: Maia, C.
name: Reboucas, M. J.
name: Teixeira, A. F. F.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The $f(R)$ gravity theories provide an alternative way to explain the current cosmic acceleration without invoking dark energy matter component. However, the freedom in the choice of the functional forms of $f(R)$ gives rise to the problem of how to constrain and break the degeneracy among these gravity theories on theoretical and/or observational grounds. In this paper to proceed further with the investigation on the potentialities, difficulties and limitations of $f(R)$ gravity, we examine the question as to whether the future dynamics can be used to break the degeneracy between $f(R)$ gravity theories by investigating the future dynamics of spatially homogeneous and isotropic dust flat models in two $f(R)$ gravity theories, namely the well known $f(R) = R + αR^{n}$ gravity and another by A. Aviles et al., whose motivation comes from the cosmographic approach to $f(R)$ gravity. To this end we perform a detailed numerical study of the future dynamic of these flat model in these theories taking into account the recent constraints on the cosmological parameters made by the Planck team. We show that besides being powerful for discriminating between $f(R)$ gravity theories, the future dynamics technique can also be used to determine the fate of the Universe in the framework of these $f(R)$ gravity theories. Moreover, there emerges from our numerical analysis that if we do not invoke a dark energy component with equation-of-state parameter $ω< -1$ one still has dust flat FLRW solution with a big rip, if gravity deviates from general relativity via $f(R) = R + αR^n $. We also show that FLRW dust solutions with $f''<0$ do not necessarily lead to singularity.
description: 12 pages, 8 figures. V2: Generality and implications of the results are emphasized, connection with the recent literature improved, typos corrected, references added
Considering variation in bee responses to stressors can reveal potential for resilience
Creators: name: Cabirol, Amélie
name: Gómez-Moracho, Tamara
name: Monchanin, Coline
name: Pasquaretta, Cristian
name: Lihoreau, Mathieu
Publisher: name: Zenodo
Year: 2023

description: This code was used for the meta-analysis of variation published in the article "Considering variation in bee responses to stressors can
 reveal potential for resilience" published in the Journal of Applied Ecology (2023).
 It relies on a method and on R functions described in Nakagawa et al. (2015, Methods in Ecology and Evolution) and Senior et al (2020, Research Synthesis Methods).
title: Toxicity of extracts derived from different parts of cassava plant, Manihot esculenta Crantz to four major coleopteran pests of stored-products
Creators: name: Cheruvan, Arumughan Jayaprakas
name: Ragesh, L.
Publisher: name: Julius Kühn-Institut
Year: 2018

description: Fumigant toxicity of insecticidal principles extracted from tuber rind, fresh leaf, fresh leaf with petiole, and dried leaf of cassava (var. M4) was studied against four major stored-product insect pests viz. Sitophilus oryzae (L.), Rhyzopertha dominica (F.), Tribolium castaneum (Herbst) and Callosobruchus chinensis (L.) under laboratory conditions (28±2ºC, Rh. 75±5%). Mortality of the test insects varied with respect to extracts collected from different parts of the plant, and time of exposure. Extract collected from cassava rind recorded the highest toxicity. Callosobruchus chinensis was highly susceptible and showed immediate knockdown effect to the active principles extracted from tuber rind, fresh leaf, fresh leaf with petiole, twig and semi-dried leaf. The extract collected from various parts of plant caused 100% mortality of R. dominica at 1 hour after treatment (HAT), but the same collected from tuber and dried leaves did not show any toxic effect. Mortality of S. oryzae was 100% at 1 HAT with tuber rind extract, but no response was observed from the extract collected from semi-dried leaf, twig, and leaf with petiole. No fumigant action was observed in all the four coleopteran pests exposed to the extract collected from dried leaves. The study revealed that fresh leaf and tuber rind are good sources for the extraction of biofumigant against major coleopteran pests, however dried leaves are unfit for same purpose.
description: Julius-Kühn-Archiv, Nr. 463, Vol. 2 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018
Evaluation of the surface strength of glass plates shaped by hot slumping process
Creators: name: Proserpio, L.
name: Basso, S.
name: Borsa, F.
name: Citterio, O.
name: Civitani, M.
name: Ghigo, M.
name: Pareschi, G.
name: Salmaso, B.
name: Sironi, G.
name: Spiga, D.
name: Tagliaferri, G.
name: D'Este, A.
name: Dall'Igna, R.
name: Silvestri, M.
name: Parodi, G.
name: Martelli, F.
name: Bavdaz, M.
name: Wille, E.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: The Hot Slumping Technology is under development by several research groups in the world for the realization of grazing-incidence segmented mirrors for X-ray astronomy, based on thin glass plates shaped over a mould at temperatures above the transformation point. The performed thermal cycle and related operations might have effects on the strength characteristics of the glass, with consequences on the structural design of the elemental optical modules and consecutively on the entire X-ray optic for large astronomical missions like IXO and ATHENA. The mechanical strength of glass plates after they underwent the slumping process was tested through destructive double-ring tests in the context of a study performed by the Astronomical Observatory of Brera with the collaboration of Stazione Sperimentale del Vetro and BCV Progetti. The entire study has been realized on more than 200 D263 Schott borosilicate glass specimens of dimension 100 mm x 100 mm and thickness 0.4 mm, either flat or bent at a Radius of Curvature of 1000 mm through the particular pressure assisted hot slumping process developed by INAF-OAB. The collected experimental data have been compared to non-linear FEM analyses and treated with Weibull statistic to assess the current IXO glass X-ray telescope design, in terms of survival probability, when subject to static and acoustic loads characteristic of the launch phase. The paper describes the activities performed and presents the obtained results.
description: Accepted for publication in Optical Enginnering (Jun 26, 2014)
The making and taking of "Indian medicine"
Creators: name: Thurner, Lance C.
Publisher: name: No Publisher Supplied
Year: 2018

description: This dissertation analyses the rise, fall, and rebirth of Spanish interest in indigenous medical knowledge in New Spain across the sixteenth, seventeenth, and eighteenth centuries.  Initial interest in integrating native medical knowledge into the European canon disintegrated by the 1600s as central Mexican native institutions continued to decline and as colonial leaders became increasingly convinced that satanism permeated native culture.  However, in the eighteenth century professional physicians fought ecclesiastic institutions for jurisdiction of population health, while at the same time urban popular medical markets were claiming new legitimacy for “Indian medicines.”  Medical syncretism was nothing new in the colony, yet these professionals now aimed to sever the (in their minds) sullied, mongrel networks of popular medical exchange and install themselves as the regulators of medical fusion. Soon they were celebrating native medical knowledge as the solution to humanity’s most pernicious woes, the colony’s stagnation, and their professional standing in the republic of letters. This dissertation argues that this vogue for “Indian medicine” evidenced a broad and radical transformation in the ideological place of “Indios” within the colony, one that prefigured subsequent national conceptions.  This shift brought professionals in contact and conflict with the plethora of syncretic medical cultures of New Spain through expeditions, experimental trials, and new institutions aimed at gathering native knowledge.  This dissertation examines these networks of exchange, illuminating the means and methods, the barriers and negotiations, and the successes and failures of state-sponsored medical syncretism.  I argue that colonial agents did not have the upper hand in their dealings with subaltern healers; indeed, Amerindian communities cannily bartered their highly valued secrets and were quick to abort transactions if the conditions were not in their favor.  The consequence of professional blunders, imperial power relations and local politics, and contemporary scientific methodologies was that the project to redeem “Indian medicine” resulted in ignorance as much as, if not more than, viable knowledge.
High resolution reconstruction of 3D atrial tissue architecture following tachypacing-induced heart failure in the sheep
Creators: name: Belvin Thomas
Publisher: name: figshare
Year: 2020
Subjects: subject: 90399 Biomedical Engineering not elsewhere classified
subject: FOS: Medical engineering

description: Atrial fibrillation is the most common heart rhythm disturbance and its prevalence increases with age and in heart disease. We are developing computer models to investigate how changes in atrial structure that occur in heart failure (HF) contribute to atrial electrical dysfunction. A first step towards this is to establish appropriate 3D representations of atrial tissue architecture in an established animal HF model. Crossbred sheep were subjected to 6
weeks of high rate ventricular pacing (200 per minute) followed by 4 weeks without pacing.
The atria were then fixed at realistic volumes, embedded in paraffin wax and serial surface
images (1225 planes at 6.25 x 6.25 x 25 µm 3 ) were acquired after topical application of May
Grunwald stain to identify myocytes, collagen and fat. A novel purpose-developed multi-
scale image processing pipeline was developed to (i) register serial images (ii) remove
artifact, (iii) identify inner and outer atrial surfaces, and (iv) segment myocytes, connective
tissue and fat. Myofibre orientation was then determined throughout the atria using
structure-tensor analysis. The integrity of the semi-automatic segmentation algorithm
across this very large dataset over multiple scales indicates the applicability of this approach
to any large-scale dataset of noisy images with discontinuous edges where reasonable
gradients separate the foreground from background. The general observations from this
study are (i) atrial dilatation observed in 3D reconstruction of MRI images, which in this case
is more pronounced in left than right atrium, (ii) evidence of regions of necrosis and
replacement fibrosis, but little evidence of extensive scarring or patchy fibrosis. There is no
evidence of myofibre disarray. In conclusion, the accurate geometry and associated fibre
structure of the resulting 3D representation make it a suitable platform to study the effects
of atrial structural remodelling.
Análisis objetivo del campo de viento superficial en el Océano Pacífico Oriental durante el periodo de 1977 a 1981 /
Creators: name: Lopez Mariscal, Juan Manuel
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: QC931 L66 1983

description: Se aplica análisis objetivo mediante el método de correcciones sucesivas (MCS) a 4 años de datos de barcos mercantes (julio de 1977 a junio de 1981), para obtener campos mensuales de vientos superficial en los nodos de una malla regular situada en una región del Océano Pacífico Oriental adyacente al Continente Americano.
The Importance of Open Access in Latin America: Technology, Language and Democratization of Knowledge
Creators: name: del Rio Riande, Gimena
Publisher: name: Zenodo
Year: 2022
Subjects: open access
Latin America
journal publishing

description: Insights on the global geopolitics of academic knowledge, Latin America's Open Access, public access to academic journals without economic barriers, and the standard method of dissemination and key engine of knowledge democratization. October 4th at LACS-University of Maryland
title: Entomocidal, repellent, antifeedent and growth nhibition efects of different plant extracts against Tribolium castaneum (Herbst) (Tenebrionidae: Coleoptera)
Creators: name: Ul Hasan, Mansoor
name: Ali, Qurban
name: Kanwal, Sehrish
name: Anjum, Najuf Awais
Publisher: name: Julius Kühn-Institut
Year: 2018

description: In present investigation, toxic, repellent, antifeedent and growth inhibition effects of five different plant extracts: Melia azedarach, Pegnum hermala, Salsola baryosma, Azadirachta indica and Zingiber officinale, were evaluated on different life stages of T. castaneum. The highest mortality (10.14%) was observed with A. indica and the minimum mortality (0.67%) was invoked by Z. officinale treatment. Similarly, A. indica showed highest repellent effect compared to rest of the plants. Feeding deterrence was highest (90.15%) with S. baryosma treatment, followed by P. hermala (84.85%), M. azedarach (80.19%), A. indica (73.48%) and Z. officinale (57.58%). The extracts inhibited the growth of T. castaneum. Inthe case of A. indica, the lowest numbers of larvae (32.67), pupae (16.33) and adults (11.33) emerged at 15% concentration, while the highest emergence of larvae (80.33), pupae (75.00) and adult (71.00) were observed for Z. officinale. The other three plant extracts had moderate regrowth inhibition on the beetle. Overall, A. indica extract was found to be the most effective while, Z. officinale extract was least effective against the beetle. This study can be very helpful in future when the use of plant extracts become common and available to the farmers as an alternative to synthetic pesticides.
description: Julius-Kühn-Archiv, Nr. 463, Vol. 2 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018
The Gluon Beam Function at Two Loops
Creators: name: Gaunt, Jonathan
name: Stahlhofen, Maximilian
name: Tackmann, Frank J.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The virtuality-dependent beam function is a universal ingredient in the resummation for observables probing the virtuality of incoming partons, including N-jettiness and beam thrust. We compute the gluon beam function at two-loop order. Together with our previous results for the two-loop quark beam function, this completes the full set of virtuality-dependent beam functions at next-to-next-to-leading order (NNLO). Our results are required to account for all collinear ISR effects to the N-jettiness event shape through N^3LL order. We present numerical results for both the quark and gluon beam functions up to NNLO and N^3LL order. Numerically, the NNLO matching corrections are important. They reduce the residual matching scale dependence in the resummed beam function by about a factor of two.
description: 21 pages, 6 figures; v2: journal version
Cosmological dynamics: from the Eulerian to the Lagrangian frame - I. Newtonian approximation
Creators: name: Villa, Eleonora
name: Matarrese, Sabino
name: Maino, Davide
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We analyse the non-linear gravitational dynamics of a pressure-less fluid in the Newtonian limit of General Relativity in both the Eulerian and Lagrangian pictures. Starting from the Newtonian metric in the Poisson gauge, we transform to the synchronous and comoving gauge and obtain the Lagrangian metric within the Newtonian approximation. Our approach is fully non-perturbative, which implies that if our quantities are expanded according to the rules of standard perturbation theory, all terms are exactly recovered at any order in perturbation theory, only provided they are Newtonian. We explicitly show this result up to second order and in both gauges. Our transformation clarifies the meaning of the change of spatial and time coordinates from the Eulerian to the Lagrangian frame in the Newtonian approximation.
description: 21 pages. Revised to match the version accepted for publication in JCAP
title: Gute Gründe für ein Lerntagebuch
Creators: name: Jossberger, Helen
Publisher: name: Zentrum für Hochschul- und Wissenschaftsdidaktik, Universität Regensburg
Year: 2022

description: Der Beitrag berichtet über die Verwendung eines Lerntagebuchs in der Hochschullehre und benennt Gründe für dessen Einsatz.
title: Toxicity and repellence of Citrus jambhiri Lush rind essential oil against maize weevil (Sitophilus zeamais Motschulsky 1855) (Coleoptera: Curculionidae)
Creators: name: Babarinde, Samuel A.
name: Usman, Lamidi A.
name: Olaniran, Oladele A.
name: Adebayo, Timothy A.
name: Ojutiku, Elizabeth O.
name: Adeniyi, Adeyinka K.
Publisher: name: Julius Kühn-Institut
Year: 2018

description: Rind of matured fruits of Citrus jambhiri Lush was hydro-distilled to obtain essential oil (EO) which was subjected to Gas chromatography-Mass spectrometry (GC-MS) analysis. The EO was evaluated for fumigant toxicity (at 27- 107µL/L air) and repellence against maize weevil (Sitophilus zeamais Motschulsky). Area preference methodology was used to evaluate the repellence of the EO at 0.15-0.9 µL/cm2, while isopropanol served as control for both bioassays. The experiments were set up in a completely randomized design and data were subjected to analysis of variance and probit analysis. Fifty-two compounds were identified in the EO with the predominant compounds being a-terpineol (8.03%), citral (7.00%), 4-terpineol (6.52%), caryophellene (4.58%), cis-geraniol (4.44%), citronellal (4.38%), ß-bisabolene (4.01%) and n-hexadecanoic acid (4.70%). Others were a- bergamotene (3.74%), lemonol (3.23%), precocene I (3.33%) and ß-copaene (3.09%). Toxicity progressed with EO dose and exposure period and application of EO at 80 and 107µL/L air caused significantly higher mortality (33.75-100.00%) than isopropanol (0.00-22.50%). Lethal time for 50% assayed weevil (LT50) for the EO application at 107 µL/L air {7.51 (6.95-8.13) h} was significantly lower than the values obtained for 27 and 53 µL/L air {44.78 (27.49-312.61) and 21.87 (11.91-45.96) h, respectively}. EO caused significantly higher repellence (75.00-90.00%) than control (15.00%) at 24 hours after treatment. The results indicate that C. jambhiri rind EO has prospects as effective biorational formulation for control of maize weevil.
description: Julius-Kühn-Archiv, Nr. 463, Vol. 2 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018
Die Versorgung von Menschen mit Behinderung in Deutschland in spezialisierten Einrichtungen - eine explorative Untersuchung
Creators: name: Poos, Jana
Publisher: name: Zenodo
Year: 2023
Subjects: MZEB
Menschen mit Behinderung
Deutsches Gesundheitssystem
Behinderung
Grounded Theory
Versorgung

description: In der vorliegenden Bachelorarbeit werden die Medizinischen Zentren für Erwachsene mit mehrfacher und geistiger Behinderung (MZEBs) explorativ auf die Wahrnehmung der Versorgung aus der Perspektive der Versorgenden und Versorgten untersucht. Dafür wurden sechs qualitative Interviews mit Personen dieser beiden Gruppen durchgeführt und ausgewertet. Mithilfe der Grounded Theory werden somit erste Theorieansätze präsentiert. Die Bachelorarbeit wurde an der Rheinischen Friedrich-Wilhelms-Universität in Bonn im Studiengang Politik und Gesellschaft vorgelegt.
Coefficient multipliers of growth spaces of harmonic functions
Creators: name: Eikrem, Kjersti Solberg
name: Malinnikova, Eugenia
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 42B15

description: Let $h_g^\infty$ be the space of harmonic functions in the unit ball that are bounded by some increasing radial function $g(r)$ with $\lim_{r\rightarrow 1} g(r)=+\infty$; these spaces are called growth spaces. We describe functions in growth spaces by the Cesàro means of their expansions in harmonic polynomials and apply this characterization to study coefficient multipliers between growth spaces. A series of examples of multipliers is given and some results by A. L. Shields and D. L. Williams and G. Bennett, D. A. Stegenga and R. M. Timoney are generalized to harmonic functions in higher dimensions.
description: Theorem 3 is added, small corrections are made
Hybrid Vlasov-MHD models: Hamiltonian vs. non-Hamiltonian
Creators: name: Tronci, Cesare
name: Tassi, Emanuele
name: Camporeale, Enrico
name: Morrison, Philip J.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: This paper investigates hybrid kinetic-MHD models, where a hot plasma (governed by a kinetic theory) interacts with a fluid bulk (governed by MHD). Different nonlinear coupling schemes are reviewed, including the pressure-coupling scheme (PCS) used in modern hybrid simulations. This latter scheme suffers from being non-Hamiltonian and to not exactly conserve total energy. Upon adopting the Vlasov description for the hot component, the non-Hamiltonian PCS and a Hamiltonian variant are compared. Special emphasis is given to the linear stability of Alfvén waves, for which it is shown that a spurious instability appears at high frequency in the non-Hamiltonian version. This instability is removed in the Hamiltonian version.
description: 11 pages, 2 figures. To appear in Plasma Phys. Control. Fusion
Molecular and ionized gas kinematics in nearby active galaxies: a view from Near-IR observations
Creators: name: Bianchin, Marina
name: Riffel, Rogemar A.
name: Storchi-Bergmann, Thaisa
name: Riffel, Rogério
name: Ruschel-Dutra, Daniel
name: Harrison, Chris M.
name: Dahmer-Hahn, L. G.
name: Mainieri, Vincenzo
name: Schönell, Astor J.
name: Dametto, Natacha Z.
Publisher: name: Zenodo
Year: 2022

description: Contributed talk slides presented at the IR2022 meeting. The data, results and interpretation were originally published at MNRAS (doi: 10.1093/mnras/stab3468). Please refer to the original paper for details.
IDENTIDADE CULTURAL E HISTÓRIA: O PROBLEMA DA CRIOULIZAÇÃO E DA POÉTICA DA DIVERSIDADE / CULTURAL IDENTITY AND HISTORY: THE PROBLEM OF CREOLIZATION AND POETIC OF DIVERSITY
Creators: name: Martins, Maro Lara
Publisher: name: figshare
Year: 2023
Subjects: Biography
Global and world history
Histories of race
History of empires, imperialism and colonialism
International history
Latin and South American history
Transnational history
Historical studies not elsewhere classified

description: RESUMO: Refletir sobre o nosso tempo histórico pode ser frutífero na medida em que pressupõe questões sobre as próprias concepções que temos do momento em que vivemos. A sociologia e a história como parâmetros deste tipo de reflexão mostram-se essenciais nos debates que propõem, e mais ainda, na criação de conceitos explicativos sobre o tempo presente, e consequentemente, atuando de forma direta na criação das concepções que temos acerca da contemporaneidade. Nestes termos, refletiremos sobre os conceitos de crioulização e de poética da diversidade propostos por E. Glissant e P. Chamoiseau. A raça, construção política e social, e a etnicidade primazia dos elementos culturais e religiosos, a compreensão da cultura, o questionamento dos pressupostos da política ocidental e do estado liberal, com a cidadania universal e a suposta neutralidade cultural do Estado, são apresentadas por Glissant e por Chamoiseau como categorias homogeneizantes, na medida em que se enquadram numa tentativa de essencializar as diferenças. PALAVRAS-CHAVE: Teoria da História. História Cultural. Poética da Diversidade. ABSTRACT:Reflecting on our historical time can be fruitful in that it presupposes questions about their own conceptions we have of the moment in which we live . The sociology and history as parameters of this kind of reflection is essential to show that propose debates , and even more , creating explanatory concepts of the present time , and consequently, acting directly in the creation of concepts we take of the contemporaneity. Accordingly , we reflect on the concepts of creolization and poetic diversity proposed by E. Glissant and P. Chamoiseau . Race, politics and social construction , and ethnicity primacy of cultural and religious elements , understanding the culture, questioning the assumptions of Western policy and the liberal state , with universal citizenship and the supposed cultural neutrality of the state , are presented by Glissant and Chamoiseau as homogenizing categories, in that an attempt to fit essencialize differences . KEYWORDS: Theory of History . Cultural history. Poetic of Diversity.
Enhancing the three-dimensional electronic structure in 1111-type iron arsenide superconductors by H-substitution
Creators: name: Muraba, Yoshinori
name: Matsuishi, Satoru
name: Hosono, Hideo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The 1111-type iron arsenide hydride CaFe1-xCoxAsH was synthesized by high-pressure solid-state reaction, and its electronic structure and superconducting properties were investigated. Bulk superconductivity was observed at x = 0.07-0.26. A maximum superconducting critical temperature Tcmax of 23 K was observed at x = 0.07. These values are in agreement with those of CaFe1-xCoxAsF. The calculated Fermi surface of CaFeAsH has a small three-dimensional 3D hole pocket around the Gamma point. This is a result of weak covalent bonding between the As 4p and H 1s orbitals. No such covalency exists in CaFeAsF, because the energy level of the F 2p orbital is sufficiently deep to inhibit overlap with the As 4p orbital. The similar superconducting properties of CaFe1-xCoxAsH and CaFe1-xCoxAsF are explained on the nesting scenario. The small 3D hole pocket of CaFe1-xCoxAsH does not significantly contribute to electron excitation. These findings encourage exploration of hydrogen-containing 1111-type iron-based materials with lower anisotropies and higher Tc applicable to superconducting wires and tapes.
Social Inequality and Body Mass Differences in Two post-Medieval Dutch Populations
Creators: name: Yuran Niu
name: Schrader, Sarah
Publisher: name: Zenodo
Year: 2022
Subjects: Osteoarchaeology; body mass; post-Medieval; Netherlands

description: Adult body mass is largely related to nutrition levels, which can be affected by external stresses, such as diet, environment, and disease. High-status and low-status groups likely had very different nutrition and stress experiences, which might result in intrapopulation differences in body size. Since inequality between social statuses prevailed in Europe in the post-Medieval period, did these socioeconomic differences result in body mass variations between high-status and low-status populations in the Netherlands? In order to answer this question, this research compared body size of two post-Medieval urban skeletal collections with different social statuses from the Eusebius cemetery of Arnhem (15th – 19th century) and the Broerenkerk church of Zwolle (17th – 19th century), the Netherlands. Social statuses of the two collections are estimated based on the buried locations, grave goods, and historical records. Body mass was estimated using both Ruff et al.’s (2012) equations of femoral head diameter and the Ruff et al.’s (1991) equations of stature/bi-iliac breadth. Results have shown no statistically significant differences in body mass between the two samples. Therefore, this research suggests that the inequality in post-Medieval Dutch society did not result in observable population body mass differences in the skeletal collections of different social status groups. It cannot, however, prove that social inequality in populations did not impact body size or health more broadly.
Implementación de dietas a base de productos de desecho para el cultivo de juveniles de langostino Macrobrachium carcinus (Linnaeus) (Crustacea, Decapoda, Natantia) en condiciones de laboratorio /
Creators: name: Casas Sanchez, Ruth
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: SH380.9 C38 1983

description: Se determinó, bajo condiciones de laboratorio, el crecimiento de juveniles de langostino Macrobrachium Carcinus alimentados con dos dietas: una elaborada a partir de desechos de restaurante (dieta I) y la otra con desperdicios del mercado de pescado y agrícolas (dieta II).
Scattering mechanisms in textured FeGe thin films: magnetoresistance and the anomalous Hall effect
Creators: name: Porter, N. A.
name: Gartside, J. C.
name: Marrows, C. H.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A textured thin film of FeGe was grown by magnetron sputtering with a helimagnetic ordering temperature of TN = 276 +/- 2 K. From 5 K to room temperature a variety of scattering processes contribute towards the overall longitudinal and Hall resistivities. These were studied by combining magnetometry and magnetotransport measurements. The high-field magnetoresistance (MR) displays three clear temperature regimes: Lorentz force MR dominates at low temperatures, above T ~ 80 K scattering from spin-waves predominates, whilst finally for T > 200 K scattering from fluctuating local moments describes the MR. At low fields, where the magnetisation is no longer technically saturated, we find a scaling of magnetoresistance with the square of the magnetisation, indicating that the MR due to the unwinding of spins in the conical phase arises from a similar mechanism to that in magnetic domain walls. This MR is only visible up to a temperature of about 200 K. No features can be found in the temperature or field dependence of the longitudinal resistivity that belie the presence of the underlying magnetic phase transition at TN: the marked changes in behavior are at much lower temperatures. The anomalous Hall effect has a dramatic temperature dependence in which the anomalous Hall resistivity scales quadratically with the longitudinal resistivity: comparison with anomalous Hall scaling theory shows that our system is in the intrinsic 'moderately dirty' regime. Lastly, we find evidence of a topological Hall effect of size 100 ~Ohm cm.
description: 8 pages, 6 figures
Individual project on theme "Panthera Oken, 1816" (MOOC: CompTech in biology)
Creators: name: Kotlyachkova Valeria
Publisher: name: Zenodo
Year: 2023

description: Данный кейс является результатом реализации индивидуального проекта Котлячковой Валерии по теме “Panthera Oken, 1816" в рамках онлайн курса "Компьютерные технологии в биологии" (автор – А.В. Ваганов) (https://stepik.org/course/60859/promo)
Maxwell field with Torsion
Creators: name: Fresneda, R.
name: Baldiotti, M. C.
name: Pereira, T. S.
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose a generalizing gauge-invariant model of propagating torsion which couples to the Maxwell field and to charged particles. As a result we have an Abelian gauge invariant action which leads to a theory with nonzero torsion and which is consistent with available experimental data.
description: 9 pages, no figures
The Physics Programme Of The MoEDAL Experiment At The LHC
Creators: name: Acharya, B.
name: Alexandre, J.
name: Bernabéu, J.
name: Campbell, M.
name: Cecchini, S.
name: Chwastowski, J.
name: De Montigny, M.
name: Derendarz, D.
name: De Roeck, A.
name: Ellis, J. R.
name: Fairbairn, M.
name: Felea, D.
name: Frank, M.
name: Frekers, D.
name: Garcia, C.
name: Giacomelli, G.
name: Giorgini, M.
name: HaŞegan, D.
name: Hott, T.
name: Jakůbek, J.
name: Katre, A.
name: Kim, D-W
name: King, M. G. L.
name: Kinoshita, K.
name: Lacarrere, D.
name: Lee, S. C.
name: Leroy, C.
name: Margiotta, A.
name: Mauri, N.
name: Mavromatos, N. E.
name: Mermod, P.
name: Mitsou, V. A.
name: Orava, R.
name: Pasqualini, L.
name: Patrizii, L.
name: Păvălaş, G. E.
name: Pinfold, J. L.
name: Platkevč, M.
name: Popa, V.
name: Pozzato, M.
name: Pospisil, S.
name: Rajantie, A.
name: Sahnoun, Z.
name: Sakellariadou, M.
name: Sarkar, S.
name: Semenoff, G.
name: Sirri, G.
name: Sliwa, K.
name: Soluk, R.
name: Spurio, M.
name: Srivastava, Y. N.
name: Staszewski, R.
name: Swain, J.
name: Tenti, M.
name: Togo, V.
name: Trzebinski, M.
name: Tuszyński, J. A.
name: Vento, V.
name: Vives, O.
name: Vykydal, Z.
name: Widom, A.
name: Yoon, J. H.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The MoEDAL experiment at Point 8 of the LHC ring is the seventh and newest LHC experiment. It is dedicated to the search for highly ionizing particle avatars of physics beyond the Standard Model, extending significantly the discovery horizon of the LHC. A MoEDAL discovery would have revolutionary implications for our fundamental understanding of the Microcosm. MoEDAL is an unconventional and largely passive LHC detector comprised of the largest array of Nuclear Track Detector stacks ever deployed at an accelerator, surrounding the intersection region at Point 8 on the LHC ring. Another novel feature is the use of paramagnetic trapping volumes to capture both electrically and magnetically charged highly-ionizing particles predicted in new physics scenarios. It includes an array of TimePix pixel devices for monitoring highly-ionizing particle backgrounds. The main passive elements of the MoEDAL detector do not require a trigger system, electronic readout, or online computerized data acquisition. The aim of this paper is to give an overview of the MoEDAL physics reach, which is largely complementary to the programs of the large multi-purpose LHC detectors ATLAS and CMS.
MITEoR: A Scalable Interferometer for Precision 21 cm Cosmology
Creators: name: Zheng, Haoxuan
name: Tegmark, Max
name: Buza, Victor
name: Dillon, Joshua S.
name: Gharibyan, Hrant
name: Hickish, Jack
name: Kunz, Eben
name: Liu, Adrian
name: Losh, Jon
name: Lutomirski, Andrew
name: Morrison, Scott
name: Narayanan, Sruthi
name: Perko, Ashley
name: Rosner, Devon
name: Sanchez, Nevada
name: Schutz, Katelin
name: Tribiano, Shana M.
name: Valdez, Michael
name: Yang, Hung-I
name: Adami, Kristian Zarb
name: Zelko, Ioana
name: Zheng, Kevin
name: Armstrong, Richard
name: Bradley, Richard F.
name: Dexter, Matthew R.
name: Ewall-Wice, Aaron
name: Magro, Alessio
name: Matejek, Michael
name: Morgan, Edward
name: Neben, Abraham R.
name: Pan, Qinxuan
name: Penna, Robert F.
name: Peterson, Courtney M.
name: Su, Meng
name: Villasenor, Joel
name: Williams, Christopher L.
name: Zhu, Yan
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We report on the MIT Epoch of Reionization (MITEoR) experiment, a pathfinder low-frequency radio interferometer whose goal is to test technologies that improve the calibration precision and reduce the cost of the high-sensitivity 3D mapping required for 21 cm cosmology. MITEoR accomplishes this by using massive baseline redundancy, which enables both automated precision calibration and correlator cost reduction. We demonstrate and quantify the power and robustness of redundancy for scalability and precision. We find that the calibration parameters precisely describe the effect of the instrument upon our measurements, allowing us to form a model that is consistent with $χ^2$ per degree of freedom < 1.2 for as much as 80% of the observations. We use these results to develop an optimal estimator of calibration parameters using Wiener filtering, and explore the question of how often and how finely in frequency visibilities must be reliably measured to solve for calibration coefficients. The success of MITEoR with its 64 dual-polarization elements bodes well for the more ambitious Hydrogen Epoch of Reionization Array (HERA) project and other next-generation instruments, which would incorporate many identical or similar technologies.
description: 22 pages, 20 figures. Updated to match the accepted version for MNRAS. Supersedes arXiv:1309.2639. Movies, data and links at http://space.mit.edu/home/tegmark/omniscope.html
Superconducting pairing in the spin-density-wave phase of iron pnictides
Creators: name: Schmiedt, Jacob
name: Brydon, P. M. R.
name: Timm, Carsten
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Some of the iron pnictides show coexisting superconductivity and spin-density-wave order. We study the superconducting pairing instability in the spin-density-wave phase. Assuming that the pairing interaction is due to spin fluctuations, we calculate the effective pairing interactions in the singlet and triplet channels by summing the bubble and ladder diagrams taking the reconstructed band structure into account. The leading pairing instabilities and the corresponding superconducting gap structures are then obtained from the superconducting gap equation. We illustrate this approach for a minimal two-band model of the pnictides. Analytical and numerical results show that the existence of propagating magnons in the spin-density-wave phase strongly enhances the pairing in both the singlet and the spin s_z=0 triplet channel. Over a limited parameter range, a spin s_z=0 triplet p_x-wave state is the dominant instability. It competes with various singlet states, which have mostly s^\pm-type structures. We analyze the effect of various symmetry-allowed interactions on the pairing in some detail.
description: 14 pages, 11 figures
Motivations for Participation in Socially Networked Collective Intelligence Systems
Creators: name: Chamberlain, Jon
name: Kruschwitz, Udo
name: Poesio, Massimo
Publisher: name: Universität Regensburg
Year: 2012
Subjects: subject: 020 Bibliotheks- und Informationswissenschaft

description: This paper presents an overview of automatic methods for building domain knowledge structures (domain models) from text collections. Applications of domain models have a long history within knowledge engineering and artificial intelligence. In the last couple of decades they have surfaced noticeably as a useful tool within natural language processing, information retrieval and semantic web technology. Inspired by the ubiquitous propagation of domain model structures that are emerging in several research disciplines, we give an overview of the current research landscape and some techniques and approaches. We will also discuss trade-offs between different approaches and point to some recent trends.
Ciclo hidrografico anual (marzo 81-abril 82) de la Laguna de Terminos, Campeche /
Creators: name: Escanero Figueroa, Galo Armando
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: GC97 E82 1983

description: Se analizan las variaciones espaciales y temporales de la salinidad, la temperatura y el oxigeno disuelto de superficie y fondo en la Laguna de Terminos, en los meses que abarca el ciclo mayo/81-abril/82, y se sintetizan estas variaciones por medio del metodo de la descomposicion empirica ortogonal.
Phase structure of $SU(3)$ gauge-Higgs unification models at finite temperature
Creators: name: Kashiwa, Kouji
name: Tanizaki, Yuya
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Five-dimensional $SU(3)$ gauge-Higgs unification models are studied at finite temperature in the warped extra dimension $S^1/\mathbb{Z}_2$. In order to investigate the phase structure, we developed a technique to compute the one-loop effective potential with the nontrivial Polyakov loop phase and with the nontrivial Wilson line phase along the extra dimension. Effective potentials as functions of two gauge-field condensations are shown for several simple matter contents, including fundamental, sextet, and adjoint representational Dirac fermions. Possible extensions and applications of our formalism are also briefly discussed.
description: 15 pages, 8 figures; references added, typos corrected, revised arguments in summary
Relativistic corrections to the Kompaneets equation
Creators: name: Nozawa, Satoshi
name: Kohyama, Yasuharu
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We study the Sunyaev-Zeldovich effect for clusters of galaxies. We explore the relativistic corrections to the Kompaneets equation in terms of two different expansion approximation schemes, namely, the Fokker-Planck expansion approximation and delta function expansion approximation. We show that two expansion approximation formalisms are equivalent under the Thomson approximation, which is extremely good approximation for the CMB photon energies. This will clarify the situation for existing theoretical methods to analyse observation data.
description: 4 pages, accepted version by Astroparticle Physics for publication