cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Bogoliubov Excitations in a Kronig-Penney Potential
Creators: name: Danshita, Ippei
name: Kurihara, Susumu
name: Tsuchiya, Shunji
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: With use of the Kronig-Penney model, we study the excitation spectrum of a Bose-Einstein condensate in a one-dimensional periodic potential. We solve the Bogoliubov equations analytically and obtain the band structure of the excitation spectrum for arbitrary values of the lattice depth. We find that the excitation spectrum is gapless and linear at low energies, and that it is due to the {\it anomalous tunneling} of low energy excitations, predicted by Kagan {\it et al.}.
description: 9 pages, 8 figures
Antimicrobial activity of five essential oils from lamiaceae against multidrug-resistant Staphylococcus aureus
Creators: name: Kot, Barbara
name: Wierzchowska, Kamila
name: Małgorzata Piechota
name: Paweł Czerniewicz
name: Chrzanowski, Grzegorz
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Analysis of Lamiaceae essential oils (EOs) by GC-FID-MS revealed the presence as the major constituents of linalool (16.8%), linalyl acetate (15.7%) in Lavandula angustifolia, menthol (29.0%), menthone (22.7%), menthyl acetate (19.2%) in Mentha x piperita, terpinen-4-ol (27.1%), (E)-sabinene hydrate (12.1%), γ-terpinene (10.0%) in Origanum majorana, α-thujone (19.5%), camphor (19.0%), viridiflorol (13.5%) in Salvia officinalis, thymol (61.9%), p-cymene (10.0%), γ-terpinene (10.0%) in Thymus vulgaris. Based on the MIC and MBC values (0.09–0.78 mg/mL) and ratio MBC/MIC showed that EO from T. vulgaris (TO) had the strong inhibitory and bactericidal effect against multidrug-resistant Staphylococcus aureus. The bacterial cells were total killed by TO at 2MIC concentration after 6 h. The higher concentrations of other EOs were needed to achieve bactericidal effects. The strong bactericidal effect of TO against these bacteria indicates the possibility of topical use of TO but it requires research under clinical conditions.
Superpotentials for Gauge and Conformal Supergravity Backgrounds
Creators: name: Gripaios, B. M.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Effective superpotentials obtained by integrating out matter in super Yang-Mills and conformal supergravity backgrounds in N=1 SUSY theories are considered. The pure gauge and supergravity contributions (generalizing Veneziano-Yankielowicz terms) are derived by considering the case with matter fields in the fundamental representation of the gauge group. These contributions represent quantum corrections to the tree-level Yang-Mills and conformal supergravity actions. The classical equations of motion following from the conformal supergravity action require the background to be (super)conformally flat. This condition is unchanged by quantum corrections to the effective superpotential, irrespective of the matter content of the theory.
description: 12 pages, no figures
Amplifications of picosecond laser pulses in tapered semiconductor amplifiers: Numerical simulations versus experiments
Creators: name: Tronciu, Vasile
name: Schwertfeger, Sven
name: Radziunas, Mindaugas
name: Klehr, Andreas
name: Bandelow, Uwe
name: Wenzel, Hans
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: Picosecond pulse amplification
subject: tapered semiconductor amplifier
subject: 78A60
subject: 37M05
subject: 42.60.Da
subject: 42.60.Jf

description: We apply a travelling wave model to the simulation of the amplification of laser pulses generated by Q-switched or mode-locked distributed-Bragg reflector lasers. The power amplifier monolithically integrates a ridge-waveguide section acting as pre-amplifier and a flared gain-region amplifier. The diffraction limited and spectral-narrow band pulses injected in to the pre-amplifier have durations between 10 ps and 100 ps and a peak power of typical 1 W. After the amplifier, the pulses reach a peak power of several tens of Watts preserving the spatial, spectral and temporal properties of the input pulse. We report results obtained by a numerical solution of the travelling-wave equations and compare them with experimental investigations. The peak powers obtained experimentally are in good agreement with the theoretical predictions. The performance of the power amplifier is evaluated by considering the dependence of the pulse energy as a function of different device and material parameters.
Too hot to handle? Analytic solutions for massive neutrino or warm dark matter cosmologies
Creators: name: Slepian, Zachary
name: Portillo, Stephen KN
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We obtain novel closed form solutions to the Friedmann equation for cosmological models containing a component whose equation of state is that of radiation $(w=1/3)$ at early times and that of cold pressureless matter $(w=0)$ at late times. The equation of state smoothly transitions from the early to late-time behavior and exactly describes the evolution of a species with a Dirac Delta function distribution in momentum magnitudes $|\vec{p}_0|$ (i.e. all particles have the same $|\vec{p}_0|$). Such a component, here termed "hot matter", is an approximate model for both neutrinos and warm dark matter. We consider it alone and in combination with cold matter and with radiation, also obtaining closed-form solutions for the growth of super-horizon perturbations in each case. The idealized model recovers $t(a)$ to better than $1.5\%$ accuracy for all $a$ relative to a Fermi-Dirac distribution (as describes neutrinos). We conclude by adding the second moment of the distribution to our exact solution and then generalizing to include all moments of an arbitrary momentum distribution in a closed form solution.
description: 13 pages, 7 figures, MNRAS submitted
title: Farewell
title: Discours d'adieu
titleType: AlternativeTitle
title: Baa-holae
titleType: AlternativeTitle
Creators: name: Bril, Isabelle
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2014
Subjects: subject: Nêlêmwa
subject: nee

description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
description: Ce discours d'adieu (baa-holae,litt.(geste) pour dire adieu) est une partie d'un long discours prononcé à l'occasion de la cérémonie de deuil d'un habitant de Jejeban. Ce discours, prononcé en langue ajië par un représentant du clan maternel (le clan Kaora) venu de la région de Houailou, est traduit simultanément en langue nêlêmwa par le pasteur Elia Thijiin, pour le bénéfice des représentants du clan paternel présents à Jejeban et locuteurs de la langue nêlêmwa.
Additional file 1: of The association between apolipoprotein E and gallstone disease: an updated meta-analysis
Creators: name: Li, Lizhuo
name: Qiao, Xin
name: Wang, Xia
name: Liu, Di
name: Xue, Qingmu
name: Han, Lu
name: Dai, Fei
name: Ma, Guomin
name: Yang, Zhipeng
name: Zhang, Tao
name: Yang, Shuo
name: Cai, Shikang
name: Gao, Mingyue
name: Yang, Jingyun
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Molecular Biology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Hematology

description: Keywords used in the literature search. Combination of keywords used in the literature search of potential publications in PubMed, Cochrane Library, EMBASE and Google Scholar (DOCX 14 kb)
A Cloudy Bag Model for the S-D Wave $\Kbar-N$ System
Creators: name: He, Guangliang
name: Landau, Rubin. H.
Publisher: name: arXiv
Year: 1993
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The cloudy quark bag model is applied to the coupled ($\Kbar N$, $Σπ$, $Λπ$) system for $S-D$ partial waves. Energy--dependent separable potentials are derived, as are new numerical algorithms for solving the coupled Lippmann-Schwinger equations. The parameters are fit to $K^-p$ scattering and reaction cross sections, branching ratios, and mass spectra from $K^-p\rightarrow Σπππ, Λπππ$. The $Σ_{P13}(1385)$ and $Λ_{D03}(1520)$ resonances are found to be predominately elementary bag states with considerable dressing for the $Σ_{P13}$. The $Λ_{S01}(1405)$ appears as a complicated composite systems arising from two poles.
description: 40 pages, 10 figures available from Rubin Landau (rubin@physics.orst.edu) on request. Oregon State Univ. Nucl. Theory #NT-105
Strong synchronization of weakly interacting oscillons
Creators: name: Turaev, Dmitry
name: Vladimirov, Andrei G.
name: Zelik, Sergey
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: Localized structures of light
subject: light pulses
subject: oscillons
subject: interaction of dissipative soliton
subject: 37N20
subject: 49K20
subject: 34E10
subject: 05.45.-a
subject: 42.65.Pc

description: We study interaction of well-separated oscillating localized structures (oscillons). We show that oscillons emit weakly decaying dispersive waves, which leads to formation of bound states due to subharmonic synchronization. We also show that in optical applications the Andronov-Hopf bifurcation of stationary localized structures leads to a drastic increase in their interaction strength.
Shocks in the relativistic transonic accretion with low angular momentum
Creators: name: Suková, Petra
name: Charzyński, Szymon
name: Janiuk, Agnieszka
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We perform 1D/2D/3D relativistic hydrodynamical simulations of accretion flows with low angular momentum, filling the gap between spherically symmetric Bondi accretion and disc-like accretion flows. Scenarios with different directional distributions of angular momentum of falling matter and varying values of key parameters such as spin of central black hole, energy and angular momentum of matter are considered. In some of the scenarios the shock front is formed. We identify ranges of parameters for which the shock after formation moves towards or outwards the central black hole or the long lasting oscillating shock is observed. The frequencies of oscillations of shock positions which can cause flaring in mass accretion rate are extracted. The results are scalable with mass of central black hole and can be compared to the quasi-periodic oscillations of selected microquasars (such as GRS 1915+105, XTE J1550-564 or IGR J17091-3624), as well as to the supermassive black holes in the centres of weakly active galaxies, such as Sgr $A^{*}$.
description: 18 pages, 21 figures, accepted for publication in MNRAS
An Interpretation of the Evidence for TeV Emission from Gamma-Ray Burst 970417a
Creators: name: Totani, Tomonori
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Milagrito collaboration recently reported evidence for emission of very high energy gamma-rays in the TeV range from one of the BATSE GRBs, GRB 970417a. Here I discuss possible interpretations of this result. Taking into account the intergalactic absorption of TeV gamma-rays by the cosmic infrared background, I found that the detection rate (one per 54 GRBs observed by the Milagrito) and energy fluence can be consistently explained with the redshift of this GRB at z \sim 0.7 and the isotropic total energy in the TeV range, E_{TeV, iso} >~ 10^{54} erg. This energy scale is not unreasonably large, but interestingly similar to the maximum total GRB energy observed to date, in the sub-MeV range for GRB 990123. On the other hand, the energy emitted in the ordinary sub-MeV range becomes E_{MeV, iso} \sim 10^{51} erg for the GRB 970417a, which is much smaller than the total energy in the TeV range by a factor of about 10^3. I show that the proton-synchrotron model of GRBs provides a possible explanation for these observational results. I also discuss some observational signatures expected in the future experiments from this model.
description: 6 pages, 2 figures, Accepted by ApJ Letters
Kelly Betting Can Be Too Conservative
Creators: name: Hsieh, Chung-Han
name: Barmish, B. Ross
name: Gubner, John A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Portfolio Management (q-fin.PM)
subject: Optimization and Control (math.OC)
subject: Risk Management (q-fin.RM)
subject: FOS: Economics and business
subject: FOS: Mathematics

description: Kelly betting is a prescription for optimal resource allocation among a set of gambles which are typically repeated in an independent and identically distributed manner. In this setting, there is a large body of literature which includes arguments that the theory often leads to bets which are "too aggressive" with respect to various risk metrics. To remedy this problem, many papers include prescriptions for scaling down the bet size. Such schemes are referred to as Fractional Kelly Betting. In this paper, we take the opposite tack. That is, we show that in many cases, the theoretical Kelly-based results may lead to bets which are "too conservative" rather than too aggressive. To make this argument, we consider a random vector X with its assumed probability distribution and draw m samples to obtain an empirically-derived counterpart Xhat. Subsequently, we derive and compare the resulting Kelly bets for both X and Xhat with consideration of sample size m as part of the analysis. This leads to identification of many cases which have the following salient feature: The resulting bet size using the true theoretical distribution for X is much smaller than that for Xhat. If instead the bet is based on empirical data, "golden" opportunities are identified which are essentially rejected when the purely theoretical model is used. To formalize these ideas, we provide a result which we call the Restricted Betting Theorem. An extreme case of the theorem is obtained when X has unbounded support. In this situation, using X, the Kelly theory can lead to no betting at all.
description: Accepted in 2016 IEEE 55th Conference on Decision and Control (CDC)
Additional file 11 of The chemodiversity of paddy soil dissolved organic matter correlates with microbial community at continental scales
Creators: name: Li, Hong-Yi
name: Wang, Hang
name: Wang, Hai-Tao
name: Xin, Pei-Yong
name: Xu, Xin-Hua
name: Ma, Yun
name: Liu, Wei-Ping
name: Teng, Chang-Yun
name: Jiang, Cheng-Liang
name: Lou, Li-Ping
name: Arnold, Wyatt
name: Cralle, Lauren
name: Zhu, Yong-Guan
name: Chu, Jin-Fang
name: Gilbert, Jack A
name: Zhang, Zhi-Jian
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences

description: Supplementary methods. (DOCX 32 kb)
Thermomechanical modeling of energy-reaction-diffusion systems, including bulk-interface interactions
Creators: name: Mielke, Alexander
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: Gradient flow
subject: Onsager system
subject: Onsager operator
subject: dual dissipation potential
subject: dual entropy-production potential
subject: thermionic emission
subject: reversible reactions
subject: 35K57
subject: 80A17
subject: 82B35
subject: 35Q72
subject: 74F25

description: We show that many couplings between parabolic systems for processes in solids can be formulated as a gradient system with respect to the total free energy or the total entropy. This includes Allen-Cahn, Cahn-Hilliard, and reaction-diffusion systems and the heat equation. For this, we write the coupled system as an Onsager system (X,Φ,K) defining the evolution $dot U$= - K(U) DΦ(U). Here Φ is the driving functional, while the Onsager operator K(U) is symmetric and positive semidefinite. If the inverse G=K-1 exists, the triple (X,Φ,G) defines a gradient system. Onsager systems are well suited to model bulk-interface interactions by using the dual dissipation potential Ψ*(U, Ξ)= ½ 〈Ξ K(U) Ξ〉. Then, the two functionals Φ and Ψ* can be written as a sum of a volume integral and a surface integral, respectively. The latter may contain interactions of the driving forces in the interface as well as the traces of the driving forces from the bulk. Thus, capture and escape mechanisms like thermionic emission appear naturally in Onsager systems, namely simply through integration by parts.
Classical Hall transition and magnetoresistance in strongly inhomogeneous planar systems
Creators: name: Bulgadaev, S. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The magneto-transport properties of planar and layered strongly inhomogeneous two-phase systems are investigated, using the explicit expressions for the effective conductivities and resistivities obtained by the exact dual transformation, connecting effective conductivities of in-plane isotropic two-phase systems with and without magnetic field. These expressions allow to describe the effective resistivity of various inhomogeneous media at arbitrary concentrations $x$ and magnetic fields $H$. The corresponding plots of the $x$-dependence of the Hall constant $R_H(x,H)$ and the magnetoresistance $R(x,H)$ are constructed for various values of magnetic field at some values of inhomogeneity parameters. These plots for strongly inhomogeneous systems at high magnetic fields show a sharp transition between partial Hall resistivities (or Hall conductivities) with different dependencies of $R_H$ on the phase concentrations. It is shown that there is a strong correlation between large linear magnetoresistance effect and this sharp Hall transition. Both these effects are a consequence of the exact duality symmetry. A possible physical explanation of these effects and their correlation is proposed.
description: 15 pages, 4 figures, Latex2e
Global higher integrability of minimizers of variational problems with mixed boundary conditions
Creators: name: Fiaschi, Alice
name: Knees, Dorothee
name: Reichelt, Sina
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: Higher integrability of gradients of minimizers
subject: p-growth
subject: mixed boundary conditions
subject: damage
subject: uniform Caccioppoli-like inequality
subject: 74C05
subject: 49N60
subject: 49S05
subject: 35B65

description: We consider integral functionals with densities of p-growth, with respect to gradients, on a Lipschitz domain with mixed boundary conditions. The aim of this paper is to prove that, under uniform estimates within certain classes of p-growth and coercivity assumptions on the density, the minimizers are of higher integrability order, meaning that they belong to the space of first order Sobolev functions with an integrability of order p+ε for a uniform ε >0. The results are applied to a model describing damage evolution in a nonlinear elastic body and to a model for shape memory alloys.
Additional file 11: of The chemodiversity of paddy soil dissolved organic matter correlates with microbial community at continental scales
Creators: name: Li, Hong-Yi
name: Wang, Hang
name: Wang, Hai-Tiao
name: Xin, Pei-Yong
name: Xu, Xin-Hua
name: Ma, Yun
name: Liu, Wei-Ping
name: Teng, Chang-Yun
name: Jiang, Cheng-Liang
name: Lou, Li-Ping
name: Arnold, Wyatt
name: Cralle, Lauren
name: Zhu, Yong-Guan
name: Chu, Jin-Fang
name: Gilbert, Jack
name: Zhang, Zhi-Jian
Publisher: name: figshare
Year: 2018
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Computational Biology

description: Supplementary methods. (DOCX 32 kb)
Strong solutions for the interaction of a rigid body and a viscoelastic fluid
Creators: name: Götze, Karoline
Publisher: name: Weierstrass Institute
Year: 2011
Subjects: subject: fluid-solid interactions
subject: viscoelastic fluids
subject: 74F10
subject: 76A10
subject: 35Q35

description: We study a coupled system of equations describing the movement of a rigid body which is immersed in a viscoelastic fluid. It is shown that under natural assumptions on the data and for general goemetries of the rigid body, excluding contact scenarios, a unique local-in-time strong solution exists.
title: Story of Tivayedi and Haawedi
title: Conte de Tivayedi et Haawedi
titleType: AlternativeTitle
title: Kijin i Tivayedi ma Haawedi
titleType: AlternativeTitle
Creators: name: Bril, Isabelle
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2014
Subjects: subject: Nêlêmwa
subject: nee

description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
On Kelly Betting: Some Limitations
Creators: name: Hsieh, Chung-Han
name: Barmish, B. Ross
Publisher: name: arXiv
Year: 2017
Subjects: subject: Optimization and Control (math.OC)
subject: Portfolio Management (q-fin.PM)
subject: Risk Management (q-fin.RM)
subject: FOS: Mathematics
subject: FOS: Economics and business

description: The focal point of this paper is the so-called Kelly Criterion, a prescription for optimal resource allocation among a set of gambles which are repeated over time. The criterion calls for maximization of the expected value of the logarithmic growth of wealth. While significant literature exists providing the rationale for such an optimization, this paper concentrates on the limitations of the Kelly-based theory. To this end, we fill a void in published results by providing specific examples quantifying what difficulties are encountered when Taylor-style approximations are used and when wealth drawdowns are considered. For the case of drawdown, we describe some research directions which we feel are promising for improvement of the theory.
description: Accepted in 53rd Annual Allerton Conference on Communication, Control, and Computing, 2015
Nucleon Flow and Fragment Flow in Heavy Ion Reactions
Creators: name: Ono, Akira
name: Horiuchi, Hisashi
name: Maruyama, Toshiki
Publisher: name: arXiv
Year: 1993
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The collective flow of nucleons and that of fragments in the 12C + 12C reaction below 150 MeV/nucleon are calculated with the antisymmetrized version of molecular dynamics combined with the statistical decay calculation. Density dependent Gogny force is used as the effective interaction. The calculated balance energy is about 100 MeV/nucleon, which is close to the observed value. Below the balance energy, the absolute value of the fragment flow is larger than that of nucleon flow, which is also in accordance with data. The dependence of the flow on the stochastic collision cross section and its origin are discussed. All the results are naturally understood by introducing the concept of two components of flow: the flow of dynamically emitted nucleons and the flow of the nuclear matter which contributes to both the flow of fragments and the flow of nucleons due to the statistical decay.
description: 20 pages, PostScript figures, LaTeX with REVTeX and EPSF, KUNS 1213
SU(3) Yang Mills theory at small distances and fine lattices
Creators: name: Husung, Nikolai
name: Koren, Mateusz
name: Krah, Philipp
name: Sommer, Rainer
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We investigate the SU(3) Yang Mills theory at small gradient flow time and at short distances. Lattice spacings down to $a=0.015$ fm are simulated with open boundary conditions to allow topology to flow in and out. We study the behaviour of the action density $E(t)$ close to the boundaries, the feasibility of the small flow-time expansion and the extraction of the $Λ$-parameter from the static force at small distances. For the latter, significant deviations from the 4-loop perturbative $β$-function are visible at $α\approx 0.2\,$. We still can extrapolate to extract $r_0Λ$.
description: 8 pages, 5 figures, Proceedings of the 35th International Symposium on Lattice Field Theory, 18-24 June 2017, Granada, Spain
Singular limit of Allen--Cahn equation with constraints and its Lagrange multiplier
Creators: name: Farshbaf Shaker, Mohammad Hassan
name: Fukao, Takeshi
name: Yamazaki, Noriaki
Publisher: name: Weierstrass Institute
Year: 2014
Subjects: subject: Allen--Cahn equation
subject: constraint
subject: double obstacle
subject: singular limit
subject: Lagrange multiplier
subject: subdifferential
subject: 35K57
subject: 35R35
subject: 35B25

description: We consider the Allen-Cahn equation with constraint. Our constraint is the subdifferential of the indicator function on the closed interval, which is the multivalued function. In this paper we give the characterization of the Lagrange multiplier to our equation. Moreover, we consider the singular limit of our system and clarify the limit of the solution and the Lagrange multiplier to our problem.
title: Livelihoods and Social-Environmental Change in the Syr Darya Delta: Adaptive Strategies and Practices
Creators: name: Samakov, Aibek
Publisher: name: Universität Bern
Year: 2024
Subjects: subject: 300 Social sciences, sociology & anthropology

description: In this dissertation, I examine how local communities in the Syr Darya River delta (Kazakhstan) have been adapting to rapid social-environmental change. While the current environmental change discourses in the study area overwhelmingly focus on the desiccation of the Aral Sea and its consequences, I focus on the Syr Darya Delta, which represents an interesting case of the rural livelihoods such as herding, fishing, reed mowing, and gardening used by locals as common-pool resources. This case is particularly interesting against the backdrop of the Aral Sea catastrophe, which is often regarded as a classic example of the tragedy of commons. I also draw the reader’s attention to the ontological aspects of the environmental change and describe iconic places, iconic species and iconic forces that shaped the irrigation infrastructure development in the Syr Darya Delta. By analyzing the rural livelihoods in the Syr Darya Delta from the commons perspective, I demonstrate some of the limitations of the commons’ institutional design principles and explain why the tragedy of the commons did not happen in the Syr Darya Delta. I further analyze these livelihoods from commoning perspective and make contributions to the commons literature by highlighting how cooperation and competition unfold concurrently and how the cooperation varies across different steps of commoning. Then, I present an overview of the various adaptation strategies used by the local communities in the Syr Darya Delta. I demonstrate that the commonization of resources served as an overarching adaptation strategy, i.e., former state-owned lands and resources have been turned into de-facto common-pool resources. I also describe other adaptive strategies such as shifting agriculture, local soil knowledge, local irrigation techniques and demonstrate how rice-growing corporations can afford a wider range of coping strategies as opposed to a small-scale commoners.
Systematic review protocol. Professional entanglements: A qualitative systematic review of healthcare musicians` work in somatic hospital wards.
Creators: name: Koivisto, Taru-Anneli
Publisher: name: Zenodo
Year: 2019
Subjects: healthcare, hospitals, musicians, music profession, systematic review

description: Systematic Review Protocol. Professional entanglements: A qualitative systematic review of healthcare musicians´ work in somatic hospital wards.
Additional file 1 of Timeliness of information disclosure during the low transmission period of COVID-19: resident-level observational study in China
Creators: name: Yang, Tingting
name: Shen, Xin
name: Yang, Yongguang
name: Gan, Yong
name: Feng, Jing
name: Lei, Zihui
name: Zhang, Weixin
name: Zhao, Yuxin
name: Shen, Lijun
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1.
title: Story of Werilic and Taadi
title: Conte de Werilic et Taadi
titleType: AlternativeTitle
title: Kijin i Werilic ma Taadi
titleType: AlternativeTitle
Creators: name: Bril, Isabelle
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2014
Subjects: subject: Nêlêmwa
subject: nee

description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
Critical objective size and calmness modulus in linear programming
Creators: name: Cánovas, Maria J.
name: Henrion, René
name: Parra, Juan
name: Toledo, F. Javier
Publisher: name: Weierstrass Institute
Year: 2015
Subjects: subject: variational analysis
subject: calmness
subject: linear programming
subject: 90C31
subject: 49J53
subject: 49K40
subject: 90C05

description: This paper introduces the concept of critical objective size associated with a linear program in order to provide operative point-based formulas (only involving the nominal data, and not data in a neighborhood) for computing or estimating the calmness modulus of the optimal set (argmin) mapping under uniqueness of nominal optimal solution and perturbations of all coefficients. Our starting point is an upper bound on this modulus given in citeCHPTmp. In this paper we prove that this upper bound is attained if and only if the norm of the objective function coefficient vector is less than or equal to the critical objective size. This concept also allows us to obtain operative lower bounds on the calmness modulus. We analyze in detail an illustrative example in order to explore some strategies that can improve the referred upper and lower bounds.
Effect of Ti doping on the electrical transport and magnetic properties of layered compound Na0.8CoO2
Creators: name: Zhang, W. Y.
name: Zhao, Y. G.
name: Guo, Z. P.
name: Qiao, P. T.
name: Cui, L.
name: Luo, L. B.
name: Zhang, X. P.
name: Yu, H. C.
name: Shi, Y. G.
name: Zhang, S. Y.
name: Zhao, T. Y.
name: Li, J. Q.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Effect of Ti doping on the electrical transport and magnetic properties of layered Na0.8Co1-xTixO2 compounds has been investigated. The lattice parameters a and c increase with x. A minor amount of Ti doping results in a metal-insulator transition at low temperatures. For samples with x > 0.03, the variable-range hopping process dominates the transport behavior above a certain temperature. The temperature dependence of magnetization of all the samples is found to obey the Curie-Weiss law. The mechanism of the doping effect is discussed.
description: 19 pages, 6 figures, Solid State Commun. (in press)
$\mathbb{Z}_2$ topological insulator analog for vortices in an interacting bosonic quantum fluid
Creators: name: Bleu, O.
name: Malpuech, G.
name: Solnyshkov, D. D.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: $\mathbb{Z}_2$ topological insulators for photons and in general bosons cannot be strictly implemented because of the lack of symmetry-protected pseudospins. We show that the required protection can be provided by the real-space topological excitation of an interacting quantum fluid: quantum vortex. We consider a Bose-Einstein Condensate at the $Γ$ point of the Brillouin zone of a quantum valley Hall system based on two staggered honeycomb lattices. We demonstrate the existence of a coupling between the winding number of a vortex and the valley of the bulk Bloch band. This leads to chiral vortex propagation at the zigzag interface between two regions of inverted staggering, where the winding-valley coupling provides true topological protection against backscattering, contrary to the interface states of the non-interacting Hamiltonian. This configuration is an analog of a $\mathbb{Z}_2$ topological insulator for quantum vortices.
On the divergence constraint in mixed finite element methods for incompressible flows
Creators: name: John, Volker
name: Linke, Alexander
name: Merdon, Christian
name: Neilan, Michael
name: Rebholz, Leo G.
Publisher: name: Weierstrass Institute
Year: 2015
Subjects: subject: incompressible Navier--Stokes and Stokes equations
subject: divergence-free properties
subject: mixed finite elements
subject: pressure-robust discretization
subject: 65N30
subject: 76M10

description: The divergence constraint of the incompressible Navier--Stokes equations is revisited in the mixed finite element framework. While many stable and convergent mixed elements have been developed throughout the past four decades, most classical methods relax the divergence constraint and only enforce the condition discretely. As a result, these methods introduce a pressure-dependent consistency error which can potentially pollute the computed velocity. These methods are not robust in the sense that a contribution from the right-hand side, which influences only the pressure in the continuous equations, impacts both velocity and pressure in the discrete equations. This paper reviews the theory and practical implications of relaxing the divergence constraint. Several approaches for improving the discrete mass balance or even for computing divergence-free solutions will be discussed: grad-div stabilization, higher order mixed methods derived on the basis of an exact de Rham complex, $bH(mathrmdiv)$-conforming finite elements, and mixed methods with an appropriate reconstruction of the test functions. Numerical examples illustrate both the potential effects of using non-robust discretizations and the improvements obtained by utilizing pressure-robust discretizations.
Comprehensive geriatric assessment in the emergency department: a prospective cohort study of process, clinical, and patient-reported outcomes
Creators: name: O'Shaughnessy, Íde
name: Robinson, Katie
name: Whiston, Aoife
name: Barry, Louise
name: Corey, Gillian
name: Devlin, Collette
name: Hartigan, Deirdre
name: Synnott, Aoife
name: McCarthy, Aoife
name: Moriarty, Eoin
name: Jones, Bryan
name: Carroll, Ida
name: Shchetkovsky, Denys
name: O’Connor, Margaret
name: Steed, Fiona
name: Carey, Leonora
name: Conneely, Mairéad
name: Leahy, Aoife
name: Quinn, Colin
name: Shanahan, Elaine
name: Ryan, Damien
name: Galvin, Rose
Publisher: name: University of Limerick
Year: 2024

description: Background: This study aimed to explore the process, clinical, and patient-reported outcomes of older adults who received an interdisciplinary Comprehensive Geriatric Assessment (CGA) in the emergency department (ED) over a six-month period after their initial ED attendance.Patients and Methods: A prospective cohort study recruited older adults aged ≥65 years who presented to the ED of a university teaching hospital in Ireland. Baseline assessment data comprising a battery of demographic variables and validated indices were obtained at the index ED attendance. Telephone interviews were completed with participants at 30- and 180-day follow-up. The primary outcome was incidence of hospital admission following the index ED attendance. Secondary outcomes included participant satisfaction, incidence of functional decline, health-related quality of life, incidence of unscheduled ED re-attendance(s), hospital (re) admission(s), nursing home admission, and death.Results: A total of 133 participants (mean age 82.43 years, standard deviation = 6.89 years; 71.4% female) were recruited; 21.8% of the cohort were admitted to hospital following the index ED attendance with a significant decline in function reported at hospital discharge (Z = 2.97, p = 0.003). Incidence of 30- and 180-day unscheduled ED re-attendance was 10.5% and 24.8%, respectively. The outcome at the index ED attendance was a significant predictor of adverse outcomes whereby those who were ischarged home had significantly lower odds of multiple adverse process outcomes at 30- and 180-day follow-up, and significantly higher function and health-related quality of life at 30-day follow-up.Conclusion: While this study was observational in nature, findings suggest CGA in the ED may improve outcomes by mitigating against the adverse effects of potentially avoidable hospital admissions and focusing on a longitudinal approach to healthcare delivery at the primary-secondary care interface. Future research should be underpinned by an experimental study design to address key limitations in this study.
Synchronous Comparison of Two Thulium Optical Clocks
Creators: name: Golovizin, A.
name: Mishin, D.
name: Provorchenko, D.
name: Tregubov, D.
name: Kolachevsky, N.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The experimental comparison of two thulium optical lattice clocks in a time interval of up to one hour has been carried out. The synchronous comparison of a clock transition in two independent atomic ensembles using a single ultrastable laser has allowed us to eliminate fluctuations of the laser frequency from the measured frequency difference and to reach a relative measurement error of $10^{-16}$ after 500-s averaging, which corresponds to a relative instability of $2\times10^{-15}/\sqrtτ$. The successful demonstration of the long-term operation of two systems using the synchronous comparison of clock transitions opens the possibility of studying systematic shifts in thulium optical clocks with an uncertainty of $10^{-17}$.
description: 6 pages, 3 figures
Integrable Systems, Obtained by Point Fusion from Rational and Elliptic Gaudin Systems
Creators: name: Yu, Chernyakov
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Using the procedure of the marked point fusion, there are obtained integrable systems with poles in the matrix of the Lax operator order higher than one, considered Hamiltonians, symplectic structure and symmetries of these systems. Also, taking the Inozemtsev Limit procedure it was found the Toda-like system having nontrivial commutative relations between the phase space variables.
description: 19 pages
title: Discussion (1)
title: Discussion (1)
titleType: AlternativeTitle
title: Vhajama (1)
titleType: AlternativeTitle
Creators: name: Bril, Isabelle
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2014
Subjects: subject: Nêlêmwa
subject: nee

description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
description: Discussion sur des affaires et questions locales.
description: Discussion on local affairs.
WIAS-TeSCA -- Two-dimensional semi-conductor analysis package
Creators: name: Gajewski, Herbert
name: Liero, Matthias
name: Nürnberg, Reiner
name: Stephan, Holger
Publisher: name: Weierstrass Institute
Year: 2016
Subjects: subject: semiconductor analysis package
subject: semiconductor simulation
subject: semiconductor heterostructures
subject: van Roosbroeck drift-diffusion model
subject: bipolar transistor simulation
subject: MOS transistor simulation
subject: laser diode simulation
subject: solar cell simulation
subject: silicon semiconductor devices
subject: III-V compounds semiconductor devices
subject: silicon carbide semiconductor devices
subject: 65M08
subject: 65N08

description: WIAS-TeSCA (Two-dimensional semiconductor analysis package) is a simulation tool for the numerical simulation of charge transfer processes in semiconductor structures, especially in semiconductor lasers. It is based on the drift-diffusion model and considers a multitude of additional physical effects, like optical radiation, temperature influences and the kinetics of deep impurities. Its efficiency is based on the analytic study of the strongly nonlinear system of partial differential equations -- the van Roosbroeck system -- which describes the electron and hole currents. Very efficient numerical procedures for both the stationary and transient simulation have been implemented.
 WIAS-TeSCA has been successfully used in the research and industrial development of new electronic and optoelectronic semiconductor devices such as transistors, diodes, sensors, detectors and lasers and has already proved its worth many times in the planning and optimization of these devices. It covers a broad spectrum of applications, from hetero-bipolar transistor (mobile telephone systems, computer networks) through high-voltage transistors (power electronics) and semiconductor laser diodes (fiber optic communication systems, medical technology) to radiation detectors (space research, high energy physics).
 WIAS-TeSCA is an efficient simulation tool for analyzing and designing modern semiconductor devices with a broad range of performance that has proved successful in solving many practical problems. Particularly, it offers the possibility to calculate self-consistently the interplay of electronic, optical and thermic effects.
Towards Space-like Photometric Precision from the Ground with Beam-Shaping Diffusers
Creators: name: Stefansson, Gudmundur
name: Mahadevan, Suvrath
name: Hebb, Leslie
name: Wisniewski, John
name: Huehnerhoff, Joseph
name: Morris, Brett
name: Halverson, Sam
name: Zhao, Ming
name: Wright, Jason
name: O'rourke, Joseph
name: Knutson, Heather
name: Hawley, Suzanne
name: Kanodia, Shubham
name: Li, Yiting
name: Hagen, Lea M. Z.
name: Liu, Leo J.
name: Beatty, Thomas
name: Bender, Chad
name: Robertson, Paul
name: Dembicky, Jack
name: Gray, Candace
name: Ketzeback, William
name: McMillan, Russet
name: Rudyk, Theodore
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We demonstrate a path to hitherto unachievable differential photometric precisions from the ground, both in the optical and near-infrared (NIR), using custom-fabricated beam-shaping diffusers produced using specialized nanofabrication techniques. Such diffusers mold the focal plane image of a star into a broad and stable top-hat shape, minimizing photometric errors due to non-uniform pixel response, atmospheric seeing effects, imperfect guiding, and telescope-induced variable aberrations seen in defocusing. This PSF reshaping significantly increases the achievable dynamic range of our observations, increasing our observing efficiency and thus better averages over scintillation. Diffusers work in both collimated and converging beams. We present diffuser-assisted optical observations demonstrating $62^{+26}_{-16}$ppm precision in 30 minute bins on a nearby bright star 16-Cygni A (V=5.95) using the ARC 3.5m telescope---within a factor of $\sim$2 of Kepler's photometric precision on the same star. We also show a transit of WASP-85-Ab (V=11.2) and TRES-3b (V=12.4), where the residuals bin down to $180^{+66}_{-41}$ppm in 30 minute bins for WASP-85-Ab---a factor of $\sim$4 of the precision achieved by the K2 mission on this target---and to 101ppm for TRES-3b. In the NIR, where diffusers may provide even more significant improvements over the current state of the art, our preliminary tests have demonstrated $137^{+64}_{-36}$ppm precision for a $K_S =10.8$ star on the 200" Hale Telescope. These photometric precisions match or surpass the expected photometric precisions of TESS for the same magnitude range. This technology is inexpensive, scalable, easily adaptable, and can have an important and immediate impact on the observations of transits and secondary eclipses of exoplanets.
description: Accepted for publication in ApJ. 30 pages, 20 figures
Compton Scattering in Ultra-Strong Magnetic Fields: Numerical and Analytical Behavior in the Relativistic Regime
Creators: name: Gonthier, Peter L.
name: Harding, Alice K.
name: Baring, Matthew G.
name: Costello, Rachel M.
name: Mercer, Cassandra L.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper explores the effects of strong magnetic fields on the Compton scattering of relativistic electrons. Recent studies of upscattering and energy loss by relativistic electrons that have used the non-relativistic, magnetic Thomson cross section for resonant scattering or the Klein-Nishina cross section for non-resonant scattering do not account for the relativistic quantum effects of strong fields ($ > 4 \times 10^{12}$ G). We have derived a simplified expression for the exact QED scattering cross section for the broadly-applicable case where relativistic electrons move along the magnetic field. To facilitate applications to astrophysical models, we have also developed compact approximate expressions for both the differential and total polarization-dependent cross sections, with the latter representing well the exact total QED cross section even at the high fields believed to be present in environments near the stellar surfaces of Soft Gamma-Ray Repeaters and Anomalous X-Ray Pulsars. We find that strong magnetic fields significantly lower the Compton scattering cross section below and at the resonance, when the incident photon energy exceeds $m_ec^2$ in the electron rest frame. The cross section is strongly dependent on the polarization of the final scattered photon. Below the cyclotron fundamental, mostly photons of perpendicular polarization are produced in scatterings, a situation that also arises above this resonance for sub-critical fields. However, an interesting discovery is that for super-critical fields, a preponderance of photons of parallel polarization results from scatterings above the cyclotron fundamental. This characteristic is both a relativistic and magnetic effect not present in the Thomson or Klein-Nishina limits.
description: AASTeX format, 31 pages included 7 embedded figures, accepted for publication in The Astrophysical Journal