cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Plumatella tsimiheta Wood & Unger & Rasoamihaingo 2023, sp. nov.
Creators: name: Wood, Timothy S.
name: Unger, Lilian Eva
name: Rasoamihaingo, Laurence
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Bryozoa
Phylactolaemata
Plumatellida
Plumatellidae
Plumatella
Plumatella tsimiheta

description: Plumatella tsimiheta sp. nov.
urn:lsid:zoobank.org:act: BD3A02EE-5785-45B7-A3DB-E939BE6A59FB
Fig. 3
Diagnosis
Floatoblasts unusually long and narrow, the outer dimensions similar to Plumatella dhritiae Wood, 2022; fenestra tubercles well formed and densely crowded, spilling onto the annulus in a manner resembling P. patagonica Wiebach, 1974.
Etymology
The species name is a tribute to the local ethnic group, the Tsimihety, who inhabit much of the northern Madagascar.
Material examined
Holotype
MADAGASCAR • Statoblast valves; Mahajanga Province, Sofia Region, Bealanana District, Marotolana Village, Lake Sofia; 14°35′04″ S, 49º00′30″ E; Sep. 2019; L. Unger leg.; NHMUK 2023.1.17.1, slide collection.
Description
Floatoblast 51–535 µm long (Fig. 3a) with an average of 530 µm and 245–255 µm wide with an average of 253 µm (n = 3), length: width averaging 2.16; capsule measuring 360 µm by 215 µm; dorsal valve nearly flat, with fenestra encroaching on underlying capsule only at the poles (Fig. 3a, arrows); ventral valve convex, with fenestra matching capsule outline; fenestra tubercles small, densely crowded and highly convex, merging indistinctly with annular cells surrounding the fenestrae; other annular cells mostly defined by low mounds; suture appearing as crenulated margin around entire floatoblast (Fig. 3b).
Remarks
While the floatoblast outer dimensions resemble those of Plumatella dhritiae Wood, 2022, in that species the dorsal fenestra encroaches uniformly on all sides of the capsule, fenestra tubercles are well spaced, and the outer margin is smooth. Floatoblast tubercles in P. tsimiheta sp. nov. resemble those of P. patagonica Wiebach, 1974 in their size, density, and distribution (Fig. 3c). However, in that species the floatoblast is over 750 µm in length and more broadly oval.
description: Published as part of Wood, Timothy S., Unger, Lilian Eva & Rasoamihaingo, Laurence, 2023, Bryozoan statoblasts from lake sediments in Madagascar, including two new species, pp. 138-147 in European Journal of Taxonomy 900 (1) on pages 140-142, DOI: 10.5852/ejt.2023.900.2307, http://zenodo.org/record/10079849
Actor constellations and uncertainties in decision-making for accommodating shrinkage
Creators: name: Matoga, Agnes
Publisher: name: Zenodo
Year: 2021
Subjects: shrinkage; actors; governance

description: The challenge of shrinkage is a ‚complex urban governance process‘ (Hospers, 2014: 1514). This means that addressing shrinkage requires the involvement of many stakeholders, as these processes transform and affect all parts of people‘s lives (ibid). Administrative barriers and rigid bureaucraties can be hindering when trying to involve various actors in the regeneration process. However, leaving specific actors out of the planning process can cause a loss of sense of belonging and identity in already challenging circumstances. The question of power relations within governance structures in shrinking cities therefore arises
 and needs to be discussed critically. Simultaneously, national and/or local policy Frameworks and urban development plans set the necessary formal foundation for actions. From an actor-network perspective, such broad frameworks need to be analyzed in order to
 discuss to what extent actors on the local level are affected by those.
Too small to form a galaxy: How the UV background determines the baryon fraction
Creators: name: Hoeft, Matthias
name: Yepes, Gustavo
name: Gottloeber, Stefan
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The cosmic ultraviolet background (UVB) heats the intergalactic medium (IGM), as a result the gas in dark matter halos below a certain mass is too hot to cool within a Hubble time. The UVB effectively suppresses the formation of dwarf galaxies. Using high resolution cosmological hydrodynamical simulations we show that photo heating leads to small baryon fractions in halos below ~ 6x10^9 h^{-1}M_sun, independent of the cosmic environment. The simulations are carried out assuming a homogeneous UVB with flux densities as given by Haardt & Madau (1996). A halo may stop to condense gas significantly after the universe is reionised, namely when its mass falls below the characteristic mass scale set by the photo heating. Assuming a spherical halo model we derive this characteristic mass analytically and identify the main mechanisms that prevent the gas from cooling in small halos. The theoretically derived characteristic mass is smaller than the one obtained from observations. Increasing the energy per ionising photon by a factor between four and eight would be sufficient to reconcile both. This is equivalent to an average temperature of the IGM of ~ 10^4 K. In this sense the faint end of the luminosity function may serve as a calorimeter for the IGM.
description: To appear in Proceedings of IAU Symp #244, "Dark Galaxies and Lost Baryons", June 2007, 5 pages including 3 figures
Emergence of new van Hove singularities in the charge density wave state of a topological kagome metal RbV3Sb5
Creators: name: Cho, Soohyun
name: Ma, Haiyang
name: Xia, Wei
name: Yang, Yichen
name: Liu, Zhengtai
name: Huang, Zhe
name: Jiang, Zhicheng
name: Lu, Xiangle
name: Liu, Jishan
name: Liu, Zhonghao
name: Jia, Jinfeng
name: Guo, Yanfeng
name: Liu, Jianpeng
name: Shen, Dawei
Publisher: name: arXiv
Year: 2021
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Quantum materials with layered kagome structures have drawn considerable attention due to their unique lattice geometry, which gives rise to flat bands co-existing with Dirac-like dispersions. The interplay between strong Coulomb correlations and nontrivial band topology in these systems results in various exotic phenomena. Recently, vanadium-based materials with layered kagome structures are discovered to be topological metals, which exhibit charge density wave (CDW) properties, significant anomalous Hall effect, and unusual superconductivity at low temperatures. Here we exploit high-resolution angle-resolved photoemission spectroscopy to investigate the electronic structure evolution induced by the CDW transition in a vanadium-based kagome material RbV3Sb5. A remarkable band renormalization in the CDW state is observed, which is consistent with first principles calculations based on an inverse star-of-David superstructure. The CDW phase transition gives rise to a partial energy gap opening at the Fermi level, a shift in the band dispersion, and most importantly, the emergence of new van Hove singularities associated with large density of states, which are absent in the normal phase and may be related to superconductivity observed at lower temperatures. Our work would shed light on the microscopic mechanisms for the formation of the CDW and superconducting states in these topological kagome metals.
description: 7 pages, 4 figures
Declaration of Intention of John Huster
Creators: name: United States. Bureau Of Naturalization
Publisher: name: No Publisher Supplied
Year: 1888

description: Declaration of Intention to become a citizen of the United States, as filled out and signed by: John Huster   Applicant age: 28Occupation: UnknownCountry of Origin: GermanyDate of Birth: UnknownSailed to the US aboard the vessel: UnknownDeclaration submitted and sworn: 19 September 1888
A lower bound for the principal eigenvalue of the Stokes operator in a random domain
Creators: name: Yurinsky, V. V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: This article is dedicated to localization of the principal eigenvalue (PE) of the Stokes operator acting on solenoidal vector fields that vanish outside a large random domain modeling the pore space in a cubic block of porous material with disordered micro-structure. Its main result is an asymptotically deterministic lower bound for the PE of the sum of a low compressibility approximation to the Stokes operator and a small scaled random potential term, which is applied to produce a similar bound for the Stokes PE. The arguments are based on the method proposed by F. Merkl and M. V. Wütrich for localization of the PE of the Schrödinger operator in a similar setting. Some additional work is needed to circumvent the complications arising from the restriction to divergence-free vector fields of the class of test functions in the variational characterization of the Stokes PE.
description: Published in at http://dx.doi.org/10.1214/07-AIHP136 the Annales de l'Institut Henri Poincar\'e - Probabilit\'es et Statistiques (http://www.imstat.org/aihp/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Kinetic k-essence and Quintessence
Creators: name: de Putter, Roland
name: Linder, Eric V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Dark energy models with non-canonical kinetic energy terms, k-essence, can have dynamical and sound speed properties distinct from canonical scalar fields, quintessence. Concentrating on purely kinetic term Lagrangians, which can be technically natural, we investigate limits on the equation of state dynamics and sound speed behaviors and the extent to which these models can be separated from quintessence.
description: 11 pages, 11 figures; v2 added references, matches Astropart. Phys. version
Declaration of Intention of Henry Seedorf
Creators: name: United States. Bureau Of Naturalization
Publisher: name: No Publisher Supplied
Year: 1909

description: Declaration of Intention to become a citizen of the United States, as filled out and signed by: Henry Seedorf  Applicant age: 23Occupation: WaiterCountry of Origin: GermanyDate of Birth: October 7, 1885Sailed to the US aboard the vessel: King William  Declaration submitted and sworn: 15 April 1909Residing in: Atlantic City, NJ.
Imaging spontaneous currents in superconducting arrays of pi-junctions
Creators: name: Frolov, Sergey M.
name: Stoutimore, Micah J. A.
name: Crane, Trevis A.
name: Van Harlingen, Dale J.
name: Oboznov, Vladimir A.
name: Ryazanov, Valery V.
name: Ruosi, Adele
name: Granata, Carmine
name: Russo, Maurizio
Publisher: name: arXiv
Year: 2007
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Superconductors separated by a thin tunneling barrier exhibit the Josephson effect that allows charge transport at zero voltage, typically with no phase shift between the superconductors in the lowest energy state. Recently, Josephson junctions with ground state phase shifts of pi proposed by theory three decades ago have been demonstrated. In superconducting loops, pi-junctions cause spontaneous circulation of persistent currents in zero magnetic field, analogous to spin-1/2 systems. Here we image the spontaneous zero-field currents in superconducting networks of temperature-controlled pi-junctions with weakly ferromagnetic barriers using a scanning SQUID microscope. We find an onset of spontaneous supercurrents at the 0-pi transition temperature of the junctions Tpi = 3 K. We image the currents in non-uniformly frustrated arrays consisting of cells with even and odd numbers of pi-junctions. Such arrays are attractive model systems for studying the exotic phases of the 2D XY-model and achieving scalable adiabatic quantum computers.
description: Pre-referee version. Accepted to Nature Physics
Form factors of integrable higher-spin XXZ chains and the affine quantum-group symmetry
Creators: name: Deguchi, Tetsuo
name: Matsui, Chihiro
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Quantum Algebra (math.QA)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We derive exactly scalar products and form factors for integrable higher-spin XXZ chains through the algebraic Bethe-ansatz method. Here spin values are arbitrary and different spins can be mixed. We show the affine quantum-group symmetry, $U_q(\hat{sl_2})$, for the monodromy matrix of the XXZ spin chain, and then obtain the exact expressions. Furthermore, through the quantum-group symmetry we explicitly derive the diagonalized forms of the $B$ and $C$ operators in the $F$-basis for the spin-1/2 XXZ spin chain, which was conjectured in the algebraic Bethe-ansatz calculation of the XXZ correlation functions. The results should be fundamental in studying form factors and correlation functions systematically for various solvable models associated with the integrable XXZ spin chains.
description: 46 pages with no figure
Development of Econophysics: A biased account and perspective from Kolkata
Creators: name: Chakrabarti, Bikas K
name: Sinha, Antika
Publisher: name: arXiv
Year: 2021
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: We present here a somewhat personalized account of the emergence of econophysics as an attractive research topic in physical as well as social sciences. After a rather detailed story telling about our endeavors from Kolkata, we give a brief description of the main research achievements in a simple and non-technical language. We also present briefly, in technical language, a piece of our recent research result. We conclude our paper with a brief perspective.
description: Invited Review on Development of Econophysics for the Special Issue of Entropy (Guest Editors: Ryszard Kutner, Christophe Schinckus & Gene Stanley) on "Three Risky Decades: A Time for Econophysics?" (Updated over the Published version; August 2021)
Declaration of Intention of August Strotbek
Creators: name: United States. Bureau Of Naturalization
Publisher: name: No Publisher Supplied
Year: 1909

description: Declaration of Intention to become a citizen of the United States, as filled out and signed by: August Strotbek  Applicant age: 28Occupation: ButcherCountry of Origin: GermanyDate of Birth: November 2, 1880Sailed to the US aboard the vessel: Norwania   Declaration submitted and sworn: January 25, 1909Residing in: Atlantic City, NJ.
The Diffuse Auroral Eraser
Creators: name: Troyer, R. N.
name: Jaynes, A. N.
name: Jones, S. L.
name: Knudsen, D. J.
name: Trondsen, T. S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: The source of diffuse aurora has been widely studied and linked to electron cyclotron harmonic (ECH) and upper-band chorus (UBC) waves. It is known that these waves scatter 100s of eV to 10s of keV electrons from the plasma sheet, but the relative contribution of each wave type is still an open question. In this paper, we report on an interesting and unusual auroral feature observed on March 15, 2002. We believe that these observations could help further our understanding of waves associated with diffuse aurora. This diffuse auroral feature is characterized by four phases: (1) the initial phase exhibiting regular diffuse aurora, (2) the brightening phase, where an east-west auroral stripe rapidly brightens, (3) the eraser phase, where the stripe dims to below its initial state, and (4) the recovery phase, where the diffuse aurora returns to its original brightness. Using a superposed epoch analysis of 22 events, we calculate the average recovery phase time to be 20 seconds, although this varies widely between events. We hypothesize that the process responsible for these auroral eraser events could be the result of chorus waves modulating diffuse aurora.
description: 19 pages, 8 figures
Leader-following coordination of multi-agent systems with coupling time delays
Creators: name: Hu, Jiangping
name: Hong, Yiguang
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 93D15

description: In this paper, we consider a leader-following consensus problem of a group of autonomous agents with time-varying coupling delays. Two different cases of coupling topologies are investigated. At first, a necessary and sufficient condition is proved in the case when the interconnection topology is fixed and directed. Then a sufficient condition is proposed in the case when the coupling topology is switched and balanced. Numerical examples are also given to illustrate our results.
description: 16 pages,5 figures
Declaration of Intention of John Hauser
Creators: name: United States. Bureau Of Naturalization
Publisher: name: No Publisher Supplied
Year: 1894

description: Declaration of Intention to become a citizen of the United States, as filled out and signed by:  John Hauser Applicant age: 62Occupation: unknownCountry of Origin: SwitzerlandDate of Birth: unknownSailed to the US aboard the vessel: unknownDeclaration submitted and sworn: 17 April 1894Residing in: Egg Harbor City, NJ.
The effect of affiliation activities on drop-out, satisfaction, and performance in distance education
Creators: name: Persons, Heather Jamieson
Publisher: name: University of British Columbia
Year: 2010

description: Students who are unable or unwilling to attend classes at an educational institution can often study at home through distance education programs. A consistently noted problem for students in these programs centres on the isolation experienced in such independent study. This sense of isolation may be one of the causes of the high drop-out rates common in distance education. The hypothesis of this study was that interaction with other students via telephone conferencing would decrease the drop-out rate, increase student satisfaction and improve academic performance. Twenty-nine students from a community college in British Columbia were involved in the study. They completed a questionnaire measuring the personality constructs "need for affiliation", "need for achievement" and "need for autonomy". They were randomly assigned to either the treatment or control group. Members of the treatment group participated in telephone conferences with the course instructor and three or four other students. Members of the control group received only individual telephone calls from the instructor. The completion rates of the two groups, measures of satisfaction and marks were compared. Only 2 of the 15 students in the treatment group dropped out while 7 of the 14 students in the control group failed to complete the course. The chi square with one degree of freedom was 4.55 significant at the .03 level. A Yates correction for continuity of curve, which was applied because of the small numbers, lowered the significance to .08. Differences in measures of student satisfaction were not statistically significant. For all students there was a moderate correlation between student achievement as measured by marks and need for affiliation, r=-.38, p=.10. However, when the correlation was computed for the treatment group only, r was -.11, p=.72, but for the control group only, the correlation was r=-.70, p=.08. This suggests that for the treatment group student-to-student interaction may have moderated the effect of the students' need for affiliation on student performance. The results indicate that student-to-student interaction may be beneficial to students in distance education courses and that need for affiliation may play a role in student success. Further study is recommended.
Declaration of Intention of Lawrence Hoffman
Creators: name: United States. Bureau Of Naturalization
Publisher: name: No Publisher Supplied
Year: 1896

description: Declaration of Intention to become a citizen of the United States, as filled out and signed by:  Lawrence Hoffman Applicant age: 65Occupation: unknownCountry of Origin: GermanyDate of Birth: unknownSailed to the US aboard the vessel: unknown Declaration submitted and sworn: 21 April 1896Residing in: McKee City, NJ.
Forward inclusive dijet production and azimuthal correlations in pA collisions
Creators: name: Marquet, Cyrille
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We derive forward inclusive dijet production in the scattering of a dilute hadron off an arbitrary dense target, whose partons with small fraction of momentum x are described by a Color Glass Condensate. Both multiple scattering and non-linear QCD evolution at small-x are included. This is of relevance for measurements of two-particle correlations in the proton direction of proton-nucleus collisions at RHIC and LHC energies. The azimuthal angle distribution is peaked back to back and broadens as the momenta of the measured particles gets closer to the saturation scale.
description: 14 pages, 4 figures, references added, version to appear in NPA
E.M. Meletinskij, Poetica storica della novella
Creators: name: Illarionova, Elizaveta
Publisher: name: Università degli Studi di Milano
Year: 2014
Subjects: Meletinskij; poetica; novella

description: Recensiamo l’edizione italiana, curata da Massimo Bonafin, del libro di Eleazar Moiseevič Meletinskij Poetica storica della novella. Trad. Laura Sestri. Macerata: eum, 2014.
description: ENTHYMEMA, No 11 (2014)
Model-independent constraints on ultra-light dark matter from the SPARC data
Creators: name: Chan, Man Ho
name: Yeung, Chu Fai
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Ultra-light dark matter (ULDM) is currently one of the most popular classes of cosmological dark matter. The most important advantage is that ULDM with mass $m \sim 10^{-22}$ eV can account for the small-scale problems encountered in the standard cold dark matter (CDM) model like the core-cusp problem, missing satellite problem and the too-big-to-fail problem in galaxies. In this article, we formulate a new simple model-independent analysis using the SPARC data to constrain the range of ULDM mass. In particular, the most stringent constraint comes from the data of a galaxy ESO563-G021, which can conservatively exclude a ULDM mass range $m=(0.14-3.11)\times 10^{-22}$ eV. This model-independent excluded range is consistent with many bounds obtained by recent studies and it suggests that the ULDM proposal may not be able to alleviate the small-scale problems.
description: Accepted in ApJ
Universal criterion and phase diagram for switching a magnetic vortex core in soft magnetic nanodots
Creators: name: Lee, Ki-Suk
name: Kim, Sang-Koog
name: Yu, Young-Sang
name: Choi, Youn-Seok
name: Guslienko, Konstantin Yu.
name: Jung, Hyunsung
name: Fischer, Peter
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The universal criterion for ultrafast vortex-core switching between the up- and down-core bistates in soft magnetic nanodots was investigated by micromagnetic simulations along with analytical calculations. Vortex-core switching occurs whenever the velocity of vortex-core motion reaches the critical velocity that is expressed as (e.g. m/s for Permalloy), where Aex is the exchange stiffness, and is the gyromagnetic ratio. On the basis of the above results, phase diagrams for the vortex-core switching event and switching times with respect to both the amplitude and frequency of applied circularly rotating magnetic field were calculated, which offer practical guidance for implementing nanodots in vortex states into future solid-state information-storage devices.
description: 25 pages, 5 figures. To whom all correspondence should be addressed: sangkoog@snu.ac.kr
Measurement of neutrino source activity in the experiment BEST by calorimetric method
Creators: name: Gavrin, V. N.
name: Ibragimova, T. V.
name: Kozlova, J. P.
name: Tarasov, V. A.
name: Veretenkin, E. P.
name: Zvir, A. I.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Experiments to study non-standard properties of neutrinos using high-intensity artificial neutrino sources require high accuracy in determining their activity. A calorimetric system to determine the activity of a 51Cr neutrino source in the experiment BEST with an accuracy better than 1% was created. The design of the calorimetric system and the main factors affecting the accuracy of measurements are considered. The results of measurements of the activity of the source made for the BEST experiment are presented. The value of the source activity from calorimetric measurements was 3.41 MCi at the beginning of the experiment.
description: 16 pages,13 figures Journal of Instrumentation, Volume 16, April 2021
Deprea cuyacensis S. Leiva & Lezama
Creators: name: Casero, Carina N.
name: Oberti, Juan C.
name: Orozco, Clara I.
name: Cárdenas, Alejandro
name: Brito, Iván
name: Barboza, Gloria E.
name: Nicotra, Viviana E.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Solanaceae
Deprea
Deprea cuyacensis

description: 2.2. Withanolides isolated from D. cuyacensis
Following a similar procedure, the EtOH extract of D. cuyacensis was analyzed and two 13,14-seco withaphysalins were isolated, namely the previously determined withaphysalin C isolated from Physalis minima (Kirson et al., 1976) and compound 3, named withaphysalin X. Compound 3 had a molecular formula of C 28 H 36 O 8 by HRESIMS. Inspection of the 1D and 2D NMR spectroscopic data indicated that compound 3 possessed a 13,14-seco-ergostane nucleus closely related to that of withaphysalin C (Kirson et al., 1976) and its 18-acetyl derivative (Ma et al., 2007) (Tables 1 and 3). Compound 3 (C-18 R) was characterized from a mixture of epimers C-18 R /C-18 S in a 2:1 ratio, and was found to contain the following moieties in common with withaphysalin C: a 1-oxo-2,5-diene system in rings A/B, an hemiacetal arrangement involving C-18 and C-20 positions, a 13 b,14 b -epoxy function, and a δ -lactone in the side chain, in agreement with the 1 H– 1 H COSY, HSQC, and HMBC experiments. The only difference observed between 3 and withaphysalin C was the missing C-27 methyl signal and the resonance at δ 4.40 m and 4.33 m, assigned to H-27a and H-27b, respectively, indicating that C-27 was oxidized to a hydroxymethyl group. This was consistent with the methylene carbon resonance at δ 56.8 in the 13 C NMR and DEPT spectra.
description: Published as part of Casero, Carina N., Oberti, Juan C., Orozco, Clara I., Cárdenas, Alejandro, Brito, Iván, Barboza, Gloria E. & Nicotra, Viviana E., 2015, Withanolides from three species of the genus Deprea (Solanaceae). Chemotaxonomical considerations, pp. 83-90 in Phytochemistry 110 on page 85, DOI: 10.1016/j.phytochem.2014.11.015, http://zenodo.org/record/10485784
Magnetic interactions and high-field properties of Ag(2)VOP(2)O(7): frustrated alternating chain close to the dimer limit
Creators: name: Tsirlin, Alexander A.
name: Nath, Ramesh
name: Weickert, Franziska
name: Skourski, Yurii
name: Geibel, Christoph
name: Rosner, Helge
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report on high-field magnetic properties of the silver vanadium phosphate Ag(2)VOP(2)O(7). This compound has a layered crystal structure, but the specific topology of the V-P-O framework gives rise to a one-dimensional spin system, a frustrated alternating chain. Low-field magnetization measurements and band structure calculations show that Ag(2)VOP(2)O(7) is close to the dimer limit with the largest nearest-neighbor interaction of about 30 K. High-field magnetization data reveal the critical fields μ_0H_{c1} of about 23 T (closing of the spin gap) and μ_0H_{c2} of about 30 T (saturation by full alignment of the magnetic moments). From H_{c1} to H_{c2} the magnetization increases sharply similar to the system of isolated dimers. Thus, the magnetic frustration in Ag(2)VOP(2)O(7) bears little influence on the high-field properties of this compound.
description: 4 pages, 2 figures. A paper for the proceedings of the HFM 2008 conference
The Wigner Function of Ground State and One-Dimensional Numerics
Creators: name: Zhan, Hongfei
name: Cai, Zhenning
name: Hu, Guanghui
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper, the ground state Wigner function of a many-body system is explored theoretically and numerically. First, an eigenvalue problem for Wigner function is derived based on the energy operator of the system. The validity of finding the ground state through solving this eigenvalue problem is obtained by building a correspondence between its solution and the solution of stationary Schrödinger equation. Then, a numerical method is designed for solving proposed eigenvalue problem in one dimensional case, which can be briefly described by i) a simplified model is derived based on a quantum hydrodynamic model [Z. Cai et al, J. Math. Chem., 2013] to reduce the dimension of the problem, ii) an imaginary time propagation method is designed for solving the model, and numerical techniques such as solution reconstruction are proposed for the feasibility of the method. Results of several numerical experiments verify our method, in which the potential application of the method for large scale system is demonstrated by examples with density functional theory.
Price-sensitive inequality measurement
Creators: name: Kwong, Sunny Kai-Sun
Publisher: name: University of British Columbia
Year: 2010

description: The existing inequality indexes in the economics literature (including the more sophisticated indexes of Muellbauer (1974) and Jorgenson-Slesnick (1984)), are found to be insensitive to relative price changes or are unjustifiable in terms of social evaluation ethics or both. The present research fills this gap in the literature by proposing a new index, named the Individual Equivalent Income (IEI) index. A household indirect utility function is hypothesized which incorporates certain attribute parameters in the form of equivalence scales. These attributes are demographic and environmental characteristics specific to a given household. This indirect utility function gives a number which represents the utility of each member of the household. A particular level of interpersonal comparison of utilities is assumed which gives rise to an exact individual utility indicator named equivalent income. A distribution of these equivalent incomes forms the basis of a price-sensitive relative inequality index. This index can be implemented in the Canadian context. Preferences are assumed to be nonhomothetic translog and demand data are derived from cross-section surveys and time-series aggregates. Based on demand data, the translog equivalent income function can be estimated and equivalent incomes imputed to all individuals in society. An Atkinson index of equivalent incomes is then computed to indicate the actual degree of inequality in Canada. The new IEI index is compared with other indexes based on a common data set. The main findings are: conventional indexes give bad estimates of the true extent of inequality and the IEI index, while providing a more accurate estimate, indicates distributive price impact in a predictable manner, i.e., food price inflation aggravates while transportation price inflation ameliorates the inequality problem.
EBIT Charge-Exchange Measurements and Astrophysical Applications
Creators: name: Wargelin, B. J.
name: Beiersdorfer, P.
name: Brown, G. V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The past decade has seen a surge of interest in astrophysical charge exchange (CX). The impetus was the discovery of X-ray emission from comets in 1996, soon followed by the observation of CX emission in planetary atmospheres and throughout the heliosphere. Geocoronal and heliospheric CX are now recognized to contribute a considerable fraction of the soft X-ray background, and stellar-wind charge exchange is expected to occur in the astrospheres surrounding many stars. CX may also contribute to X-ray line emission in supernova remnants, the Galactic Center, and the Galactic Ridge. This article summarizes the key aspects of CX X-ray emission and its astrophysical relevance, and reviews related laboratory measurements and theoretical predictions with particular attention to spectroscopy experiments conducted on electron beam ion traps.
description: 28 pages, 26 figures (some a bit degraded from compression), accepted by Can. J. Phys. for special issue on "20 Years of EBIT Spectroscopy"
On the orbital periods of the AM CVn stars HP Librae and V803 Centauri
Creators: name: Roelofs, G. H. A.
name: Groot, P. J.
name: Nelemans, G.
name: Marsh, T. R.
name: Steeghs, D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We analyse high-time-resolution spectroscopy of the AM CVn stars HP Librae and V803 Centauri, taken with the New Technology Telescope (NTT) and the Very Large Telescope (VLT) of the European Southern Observatory, Chile. We present evidence that the literature value for V803 Cen's orbital period is incorrect, based on an observed `S-wave' in the binary's spectrogram. We measure a spectroscopic period P=1596.4+/-1.2s of the S-wave feature, which is significantly shorter than the 1611-second periods found in previous photometric studies. We conclude that the latter period likely represents a `superhump'. If one assumes that our S-wave period is the orbital period, V803 Cen's mass ratio can be expected to be much less extreme than previously thought, at q~0.07 rather than q~0.016. This relaxes the constraints on the masses of the components considerably: the donor star does then not need to be fully degenerate, and the mass of the accreting white dwarf no longer has to be very close to the Chandrasekhar limit. For HP Lib, we similarly measure a spectroscopic period P=1102.8+/-0.2s. This supports the identification of HP Lib's photometric periods found in the literature, and the constraints upon the masses derived from them.
description: Accepted for publication in MNRAS
องค์ประกอบที่ส่งผลต่อการประยุกต์ใช้เทคโนโลยีสารสนเทศเพื่อการบริหารของผู้บริหารโรงเรียนเอกชน ระดับอาชีวศึกษา ภาคตะวันออกเฉียงเหนือตอนบน
Creators: name: จิรวรรณ เล่งพานิชย์
name: กฤตพา แสนชัยธร
Publisher: name: มหาวิทยาลัยราชภัฏมหาสารคาม
Year: 2009
Subjects: ภาคตะวันออกเฉียงเหนือตอนบน, เทคโนโลยีสารสนเทศ, โรงเรียนเอกชน

description: 2, 3, วารสารมหาวิทยาลัยราชภัฏมหาสารคามมนุษยศาสตร์และสังคมศาสตร์
SOP: Assigning the Same RUI Location to Multiple Tissue Blocks
Creators: name: Bueckle, Andreas
Publisher: name: Zenodo
Year: 2021
Subjects: SOP
HuBMAP

description: This SOP outlines procedures for capturing a specific extraction site once and then assigning this site to tissue blocks extracted from the same site but for different donors. The process presented here was used to identify 14 extraction sites used by the GTEx consortium to sample tissue data across donors in a systematic manner. For each organ, one tissue block was registered, and then that JSON data was assigned to all tissue blocks extracted from the same site but from a different donor. This vastly simplifies the tissue registration process since 100s of blocks simply inherit JSON data. The use of standard sampling sites improves data quality for Human Reference Atlas construction.
การเสริมสร้างวินัยนักเรียนด้านความรับผิดชอบ สำหรับนักเรียนช่วงชั้นที่ 3กรณีศึกษาโรงเรียนบ้านกอกวิทยาคม อำเภอสมเด็จ จังหวัดกาฬสินธุ์
Creators: name: บุญเพียง แทบสี
name: สกล สรเสนา
name: จำเนียร พลหาญ
name: อลงกต ภูมิสายดร
Publisher: name: มหาวิทยาลัยราชภัฏมหาสารคาม
Year: 2009
Subjects: วินัย, ความรับผิดชอบ

description: 2, 3, วารสารมหาวิทยาลัยราชภัฏมหาสารคามมนุษยศาสตร์และสังคมศาสตร์
Hacia una comunidad de Recursos Educativos Abiertos para el área de docencia superior, UAZ
Creators: name: García Guerrero, Montserrat
name: Hernández Larios, Martha Susana
name: Hernández Berumen, José De Jesús
Publisher: name: Redoma
Year: 2024

description: El proyecto del que parte el presente trabajo busca usar el concepto de comunidad en dos sentidos, el primero creación de una comunidad de REAs en el Repositorio Institucional y en segundo lugar, y como punto nodal, formar una comunidad de profesores que usen y creen este tipo de recursos para procesos de Educación Abierta. Se inició con un proceso de análisis de posibilidades de adecuación y uso para la institución y de mapeo de experiencias exitosas a nivel internacional y nacional. La metodología empleada es de análisis teórico del uso de Recursos Educativos Abiertos y de meta síntesis de experiencias exitosas para tomar como guía o ejemplo de trabajo. Se concluye que los REA pueden ser un elemento de apoyo para las prácticas de aprendizaje de la institución, tomando en cuenta la gobernanza, la producción audiovisual, el uso correcto de los materiales y la difusión de uso de estos recursos.
description: Redoma, Vol. 4 Núm. 14 (2024): Redoma, octubre-diciembre 2024
Nanofiltration Performance of Zinc Solution: Effects of Solution Chemistry
Creators: name: Wuthikorn Saikaew
name: Supatpong Mattaraj
Publisher: name: Rjabhat Maha Sarakham University
Year: 2009
Subjects: Flux Decline, Fouling, Nanofiltration, Rejection, Zinc

description: 3, 3, Rjabhat Maha SarakhamUniversity Journal Humanities and Social Sciences
Generalized spin bases for quantum chemistry and quantum information
Creators: name: Kibler, M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Symmetry adapted bases in quantum chemistry and bases adapted to quantum information share a common characteristics: both of them are constructed from subspaces of the representation space of the group SO(3) or its double group (i.e., spinor group) SU(2). We exploit this fact for generating spin bases of relevance for quantum systems with cyclic symmetry and equally well for quantum information and quantum computation. Our approach is based on the use of generalized Pauli matrices arising from a polar decomposition of SU(2). This approach leads to a complete solution for the construction of mutually unbiased bases in the case where the dimension d of the considered Hilbert subspace is a prime number. We also give the starting point for studying the case where d is the power of a prime number. A connection of this work with the unitary group U(d) and the Pauli group is brielly underlined.
description: Dedicated to Professor Rudolf Zahradnik on the occasion of his 80th birthday. Invited paper to be published in Collection of Czechoslovak Chemical Communications
Continuous User Authentication using IoT Wearable Sensors
Creators: name: Smyth, Conor
name: Wang, Guoxin
name: Panicker, Rajesh
name: Nag, Avishek
name: Cardiff, Barry
name: John, Deepu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cryptography and Security (cs.CR)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Over the past several years, the electrocardiogram (ECG) has been investigated for its uniqueness and potential to discriminate between individuals. This paper discusses how this discriminatory information can help in continuous user authentication by a wearable chest strap which uses dry electrodes to obtain a single lead ECG signal. To the best of the authors' knowledge, this is the first such work which deals with continuous authentication using a genuine wearable device as most prior works have either used medical equipment employing gel electrodes to obtain an ECG signal or have obtained an ECG signal through electrode positions that would not be feasible using a wearable device. Prior works have also mainly dealt with using the ECG signal for identification rather than verification, or dealt with using the ECG signal for discrete authentication. This paper presents a novel algorithm which uses QRS detection, weighted averaging, Discrete Cosine Transform (DCT), and a Support Vector Machine (SVM) classifier to determine whether the wearer of the device should be positively verified or not. Zero intrusion attempts were successful when tested on a database consisting of 33 subjects.
Probabilistic computation of wind farm power generation based on wind turbine dynamic modeling
Creators: name: Bayem, Herman
name: Phulpin, Yannick
name: Dessante, Philippe
name: Bect, Julien
Publisher: name: arXiv
Year: 2008
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: This paper addresses the problem of predicting a wind farm's power generation when no or few statistical data is available. The study is based on a time-series wind speed model and on a simple dynamic model of a DFIG wind turbine including cut-off and cut-in behaviours. The wind turbine is modeled as a stochastic hybrid system with three operation modes. Numerical results, obtained using Monte-Carlo simulations, provide the annual distribution of a wind farm's active power generation. For different numbers of wind turbines, we compare the numerical results obtained using the dynamic model with those obtained considering the wind turbine's steady-state power curve. Simulations show that the wind turbine's dynamics do not need to be considered for analyzing the annual distribution of a wind farm generation.
description: This file is the final version, which will appear in the CD-ROM proceedings. (A few minor modifications with respect to version 2 of the same document on HAL.)
Heat Kernel Asymptotics on Homogeneous Bundles
Creators: name: Avramidi, Ivan G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Differential Geometry (math.DG)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 58J35, 53C35

description: We consider Laplacians acting on sections of homogeneous vector bundles over symmetric spaces. By using an integral representation of the heat semi-group we find a formal solution for the heat kernel diagonal that gives a generating function for the whole sequence of heat invariants. We argue that the obtained formal solution correctly reproduces the exact heat kernel diagonal after a suitable regularization and analytical continuation.
description: 29 pages, Proceedings of the 2007 Midwest Geometry Conference in Honor of Thomas P. Branson
Tracking control for multi-agent consensus with an active leader and variable topology
Creators: name: Hu, Jiangping
name: Hong, Yiguang
name: Gao, Linxin
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 93D15

description: In this paper, we consider the coordination control of a group of autonomous mobile agents with multiple leaders. Different interconnection topologies are investigated. At first, a necessary and sufficient condition is proved in the case of fixed interconnection topology. Then a sufficient condition is proposed when the interconnection topology is switched. With a simple first-order dynamics model by using the neighborhood rule, both results show that the group behavior of the agents will converge to the polytope formed by the leaders.
description: 6 pages
Expanding translates of curves and Dirichlet-Minkowski theorem on linear forms
Creators: name: Shah, Nimish A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Number Theory (math.NT)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 22E40, 11J83

description: We show that a multiplicative form of Dirichlet's theorem on simultaneous Diophantine approximation as formulated by Minkowski, cannot be improved for almost all points on any analytic curve on R^k which is not contained in a proper affine subspace. Such an investigation was initiated by Davenport and Schmidt in the late sixties. The Diophantine problem is then settled by showing that certain sequence of expanding translates of curves on the homogeneous space of unimodular lattices in R^{k+1} gets equidistributed in the limit. We use Ratner's theorem on unipotent flows, linearization techniques, and a new observation about intertwined linear dynamics of various SL(m,R)'s contained in SL(k+1,R).
description: 28 pages
The effect of psychotherapy on anxiety, depression and quality of life in patients with diabetic retinopathy: A protocol for systematic review and network meta-analysis
Creators: name: Li, Suiping
Publisher: name: Open Science Framework
Year: 2021
Subjects: subject: Medicine and Health Sciences
subject: Medical Specialties
subject: Endocrinology, Diabetes, and Metabolism

description: Background Diabetic retinopathy (DR) is one of the common microvascular complications in diabetic patients, which is characterized by progressive development and often leads to irreversible visual impairment. More seriously, DR patients suffer great psychological stress due to impaired visual function and reduced self-care ability like anxiety and depression, which seriously affect the quality of life of patients. In recent years, various psychological therapies have been applied to alleviate anxiety, depression and quality of life in DR patients, which have achieved positive results. However, the effectiveness and safety of different psychological therapies are unclear. This study aims to assess the effects of psychotherapy on anxiety, depression and quality of life in DR patients through a network meta-analysis. Methods All randomized controlled trials (RCTs) on the effects of psychotherapy on anxiety, depression and quality of life in patients with DR published before 30 November 2021 will be searched in the PubMed, EMBASE, Cochrane Register of Controlled Trials, Web of Science, Chinese Scientific Journal Database, China National Knowledge Infrastructure Database, Wanfang and China Biomedical Literature Database. There will have no restrictions on publication status and language. Two researchers will be independently responsible for RCT screening, data extraction and quality evaluation. All statistical analyses will be performed using Stata 14.0 and R 4.1.2. Results The results of this meta-analysis will be submitted to a peer-reviewed journal for publication. Conclusion This study will provide comprehensive and reliable evidence-based references for elucidating the efficacy of psychotherapy on anxiety, depression and quality of life in DR patients.