cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Stochastic parallel gradient descent optimization based on decoupling of the software and hardware
Creators: name: Fu, Qiang
name: Pott, Jörg-Uwe
name: Shen, Feng
name: Rao, Changhui
name: Li, Xinyang
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We classified the decoupled stochastic parallel gradient descent (SPGD) optimization model into two different types: software and hardware decoupling methods. A kind of software decoupling method is then proposed and a kind of hardware decoupling method is also proposed depending on the Shack-Hartmann (S-H) sensor. Using the normal sensor to accelerate the convergence of algorithm, the hardware decoupling method seems a capable realization of decoupled method. Based on the numerical simulation for correction of phase distortion in atmospheric turbulence, our methods are analyzed and compared with basic SPGD model and also other decoupling models, on the aspects of different spatial resolutions, mismatched control channels and noise. The results show that the phase distortion can be compensated after tens iterations with a strong capacity of noise tolerance in our model.
On Darboux transformations for the derivative nonlinear Schrödinger equation
Creators: name: Nimmo, Jonathan J. C.
name: Yilmaz, Halis
Publisher: name: arXiv
Year: 2014
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: We consider Darboux transformations for the derivative nonlinear Schrödinger equation. A new theorem for Darboux transformations of operators with no derivative term are presented and proved. The solution is expressed in quasideterminant forms. Additionally, the parabolic and soliton solutions of the derivative nonlinear Schrödinger equation are given as explicit examples.
description: 14 pages
Imaging the Breathing of a Platinum Nanoparticle in Electrochemical Environment
Creators: name: Atlan, Clément
name: Chatelier, Corentin
name: Dupraz, Maxime
name: Martens, Isaac
name: Viola, Arnaud
name: Li, Ni
name: Gao, Lu
name: Leake, Steven J.
name: Schülli, Tobias U.
name: Eymery, Joël
name: Maillard, Frédéric
name: Richard, Marie-Ingrid
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Surface strain is widely used in gas phase catalysis and electrocatalysis to control the binding energies of adsorbates on metal surfaces. However, $in$ $situ$ or $operando$ strain measurements are experimentally challenging, especially on nanomaterials. Here, we take advantage of the 4$^{th}$ generation Extremely Brilliant Source at the European Synchrotron Radiation Facility (ESRF-EBS, Grenoble, France) to quantify the distribution of strain inside a Pt nanoparticle, and to determine its morphology in an electrochemical environment. Our results show for the first time evidence of heterogeneous and potential-dependent strain distribution between highly-coordinated ({100} and {111} facets) and under-coordinated atoms (edges and corners) as well as evidence of strain propagation from the surface to the bulk of the nanoparticle. These results provide dynamic structural insights to better simulate and design efficient nanocatalysts for energy storage and conversion applications.
Introduction to IGELS: Tools, Tips, & Strategies to Enhance Undergraduate Biology for Non-majors
Creators: name: Rissler, Heather
name: Uno, Gordon
Publisher: name: QUBES Educational Resources
Year: 2022

description: The national network for the Interactions in General Education Life Science Courses (IGELS) is a coalition of biologists and biology educators collaborating to support and mentor “non-major biology” instructors.​ This workshop introduction provides an overview of IGELS goals, working groups and future work.
The $\bar B_s^0 \to J/ψπ^0 η$ decay and the $a_0(980)-f_0(980)$ mixing
Creators: name: Li, Jia-Ting
name: Lin, Jia-Xin
name: Zhang, Gong-Jie
name: Liang, Wei-Hong
name: Oset, E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the $\bar B_s^0 \to J/ψf_0(980)$ and $\bar B_s^0 \to J/ψa_0(980)$ reactions, and pay attention to the different sources of isospin violation and mixing of $f_0(980)$ and $a_0(980)$ resonances where these resonances are dynamically generated from meson-meson interaction. We find that the main cause of isospin violation is the isospin breaking in the meson-meson transition $T$ matrices, and the other source is that the loops involving kaons in the production mechanism do not cancel due to the different masses of the charged and neutral kaons. We obtain a branching ratio for $a_0(980)$ production of the order of $5 \times 10^{-6}$. Future experiments can address this problem, and the production rate and shape of the $π^0 η$ mass distribution will definitely help to better understand the nature of scalar resonances.
description: 12 pages, 4 figures; v2: version published in Chin. Phys. C
Existence condition and phase transition of Reissner-Nordström-de Sitter black hole
Creators: name: Ma, Meng-Sen
name: Zhao, Hui-Hua
name: Zhang, Li-Chun
name: Zhao, Ren
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: After introducing the connection between the black hole horizon and the cosmological horizon, we discuss the thermodynamic properties of Reissner-Nordstrom-de Sitter (RN-dS) spacetime. We present the condition under which RN-dS black hole can exist. Employing Ehrenfest' classification we conclude that the phase transition of RN-dS black hole is the second-order one. The position of the phase transition point is irrelevant to the electric charge of the system. It only depends on the ratio of the black hole horizon and the cosmological horizon.
description: 12 pages, 18 figures
KIF13B regulates angiogenesis through Golgi to plasma membrane trafficking of VEGFR2
Creators: name: Yamada, Kaori
name: Nakajima, Yuki
name: Geyer, Melissa
name: Wary, Kishore
name: Ushio-Fukai, Masuko
name: Komarova, Yulia
name: Malik, Asrar
Publisher: name: University of Illinois at Chicago
Year: 2022
Subjects: Uncategorized

description: Although the trafficking of newly synthesized VEGFR2 to the plasma membrane is a key determinant of angiogenesis, the molecular mechanisms of Golgi to plasma membrane trafficking are unknown. Here, we have identified a key role of the kinesin family plus-end molecular motor KIF13B in delivering VEGFR2 cargo from the Golgi to the endothelial cell surface. KIF13B is shown to interact directly with VEGFR2 on microtubules. We also observed that overexpression of truncated versions of KIF13B containing the binding domains that interact with VEGFR2 inhibited VEGF-induced capillary tube formation. KIF13B depletion prevented VEGF-mediated endothelial migration, capillary tube formation and neo-vascularization in mice. Impairment in trafficking induced by knockdown of KIF13B shunted VEGFR2 towards the lysosomal degradation pathway. Thus, KIF13B is an essential molecular motor required for the trafficking of VEGFR2 from the Golgi, and its delivery to the endothelial cell surface mediates angiogenesis.
Data-driven micromobility network planning for demand and safety
Creators: name: Folco, Pietro
name: Gauvin, Laetitia
name: Tizzoni, Michele
name: Szell, Michael
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computers and Society (cs.CY)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Developing safe infrastructure for micromobility like bicycles or e-scooters is an efficient pathway towards climate-friendly, sustainable, and livable cities. However, urban micromobility infrastructure is typically planned ad-hoc and at best informed by survey data. Here we study how data of micromobility trips and crashes can shape and automatize such network planning processes. We introduce a parameter that tunes the focus between demand-based and safety-based development, and investigate systematically this tradeoff for the city of Turin. We find that a full focus on demand or safety generates different network extensions in the short term, with an optimal tradeoff in-between. In the long term our framework improves overall network quality independent of short-term focus. Thus, we show how a data-driven process can provide urban planners with automated assistance for variable short-term scenario planning while maintaining the long-term goal of a sustainable, city-spanning micromobility network.
description: Main text: 16 pages, 5 figures, SI: 12 pages, 9 figures, 4 tables
On the helicity of radiative electromagnetic fields
Creators: name: Feshchenko, R M
name: Vinogradov, A V
Publisher: name: arXiv
Year: 2022
Subjects: subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: A relativistically invariant expression for the magnetic and electric helicities of free electromagnetic field through the currents, which created those field, are derived. It is demonstrated that for radiative fields (e.g. laser pulses) the both helicities are conserved and equal to each other. Moreover the conservation of the helicity means that in radiative electromagnetic fields the electric and magnetic vectors are always orthogonal to each other. Proceeding to the quantum theory, it is shown that the corresponding quantum helicity field operator is equal to the sum of projections of spins of all photons onto their momentums. Finally, as an example, the expressions for the total helicity, number of photons and the total spin momentum of the field of a dipole electromagnetic pulse are obtained and discussed.
description: Submitted to Journal of Russian Laser Research
A contactless microwave-based diagnostic tool for high repetition rate laser systems
Creators: name: Braggio, C.
name: Borghesani, A. F.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We report on a novel electro-optic device for the diagnostics of high repetition rate laser systems. It is composed of a microwave receiver and of a second order nonlinear crystal, whose irradiation with a train of short laser pulses produces a time-dependent polarization in the crystal itself as a consequence of optical rectification. This process gives rise to the emission of microwave radiation that is detected by a receiver and is analyzed to infer the repetition rate and intensity of the pulses. We believe that this new method may overcome some of the limitations of photodetection techniques.
description: 4 pages, 5 figures, accepted for publication in Review of Scientific Instruments, to appear February 2014
Treatment Learning Causal Transformer for Noisy Image Classification
Creators: name: Yang, Chao-Han Huck
name: Hung, I-Te Danny
name: Liu, Yi-Chieh
name: Chen, Pin-Yu
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Current top-notch deep learning (DL) based vision models are primarily based on exploring and exploiting the inherent correlations between training data samples and their associated labels. However, a known practical challenge is their degraded performance against "noisy" data, induced by different circumstances such as spurious correlations, irrelevant contexts, domain shift, and adversarial attacks. In this work, we incorporate this binary information of "existence of noise" as treatment into image classification tasks to improve prediction accuracy by jointly estimating their treatment effects. Motivated from causal variational inference, we propose a transformer-based architecture, Treatment Learning Causal Transformer (TLT), that uses a latent generative model to estimate robust feature representations from current observational input for noise image classification. Depending on the estimated noise level (modeled as a binary treatment factor), TLT assigns the corresponding inference network trained by the designed causal loss for prediction. We also create new noisy image datasets incorporating a wide range of noise factors (e.g., object masking, style transfer, and adversarial perturbation) for performance benchmarking. The superior performance of TLT in noisy image classification is further validated by several refutation evaluation metrics. As a by-product, TLT also improves visual salience methods for perceiving noisy images.
description: Accepted to IEEE WACV 2023. The first version was finished in May 2018
The Local Hamiltonian problem on a line with eight states is QMA-complete
Creators: name: Hallgren, Sean
name: Nagaj, Daniel
name: Narayanaswami, Sandeep
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The Local Hamiltonian problem is the problem of estimating the least eigenvalue of a local Hamiltonian, and is complete for the class QMA. The 1D problem on a chain of qubits has heuristics which work well, while the 13-state qudit case has been shown to be QMA-complete. We show that this problem remains QMA-complete when the dimensionality of the qudits is brought down to 8.
description: an older paper that didn't appear on the arXiv before (28 pages)
UniPseudo : A Universal Pseudowords Generator
Creators: name: Barra, Julien
name: Bourgin, Jessica
name: Pallier, Christophe
name: New, Boris
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Psychology
subject: FOS: Psychology
subject: Cognition and Perception
subject: Social and Behavioral Sciences

description: UniPseudo is a universal pseudoword Generator. It is called “universal” as it can work with any alphabetical or syllabic language and with phonological forms.
Supplementary document for Characterization of on-chip cavity coupled emission of 2D materials at room temperature - 6303094.pdf
Creators: name: Granados-Baez, Marissa
name: MUKHERJEE, ARUNABH
name: Qiu, Liangyu
name: Vamivakas, Nickolas
name: Cardenas, Jaime
name: Chakraborty, Chitraleema
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplemental document
Supplementary document for Characterization of on-chip cavity coupled emission of 2D materials at room temperature - 6314972.pdf
Creators: name: Granados-Baez, Marissa
name: MUKHERJEE, ARUNABH
name: Qiu, Liangyu
name: Vamivakas, Nickolas
name: Cardenas, Jaime
name: Chakraborty, Chitraleema
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplementary Material
INTEGRAL and Swift observations of the hard X-ray transient MAXI J1828-249
Creators: name: Filippova, E.
name: Bozzo, E.
name: Ferrigno, C.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In this paper we report on the observations performed with INTEGRAL and Swift of the first outburst detected from the hard X-ray transient MAXI J1828-249. During the first about two days of the outburst, the source was observed by MAXI to undergo a very rapid transition from a hard to a softer spectral state. While the hard state was not efficiently monitored because the transition occurred so rapidly, the evolution of the source outburst in the softer state was covered quasi-simultaneously in a broad energy range (0.6-150 keV) by the instruments on-board INTEGRAL and Swift. During these observations, the spectra measured from the source displayed both a prominent thermal emission with temperature kT 0.7 keV and a power-law hard component with a photon index gamma 2.2 extending to 200 keV. The properties of the source in the X-ray domain are reminiscent of those displayed by black hole transients during the soft intermediate state, which supports the association of MAXI J1828-249 with this class of objects.
description: 5 pages, 5 figures, 2 tables. Accepter for publication in A&A
Thermodynamic stability of a new three dimensional regular black hole
Creators: name: Hendi, S. H.
name: Hajkhalili, S.
name: Mahmoudi, S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A new model of the regular black hole in $(2+1)-$dimensions is introduced by considering an appropriate matter field as the energy-momentum tensor. First, we propose a novel model of $d$-dimensional energy density that in $(2+1)-$dimensions leads to the existence of an upper bound on the radius of the event horizon and a lower bound on the mass of the black hole which are motivated by the features of astrophysical black holes. According to these bounds, we introduce an admissible domain for the event horizon radius, depending on the metric parameters. After investigation of geometric properties of the obtained solutions, we study the thermal stability of the solution in the canonical ensemble and find that the regular black hole is thermally stable in the mentioned admissible domain. Besides, the Gibbs free energy is calculated to examine the global stability of the solution.
description: 21 pages, 14 figures, 2 tables, Comments are welcome
O "novo homem" na sociologia da educação de Florestan Fernandes
Creators: name: Gomes Junior, Elson dos Santos
Publisher: name: Zenodo
Year: 2022
Subjects: Novo Homem. Florestan Fernandes. Humanismo Socialista.

description: O presente artigo apresenta o conceito de “novo homem” na sociologia da educação de Florestan Fernandes (1920-1995). Sua produção intelectual enquadra-se, em sua maioria, no campo teórico do marxismo e da sociologia crítica e possui por isso o compromisso dialógico entre a reflexão e a realidade histórica. Neste quadro analítico propusemos como metodologia a delimitação de sua produção dedicada estritamente a estudos educacionais para o entendimento de sua proposta educacional que, através do conceito de “novo homem”, representa uma crítica ao “acordo” democrático existente no Brasil e seus desdobramentos para o campo educacional. Como resultado temos uma crítica ontológica em sua obra que encontra na “dimensão” histórica inúmeros elementos que denunciam uma forma de violência educacional silenciada pela fachada de democracia e que esconde as motivações do que chamou Florestan Fernandes de “histórico afunilamento” educacional.
Supplementary document for Characterization of on-chip cavity coupled emission of 2D materials at room temperature - 6184135.pdf
Creators: name: Granados-Baez, Marissa
name: MUKHERJEE, ARUNABH
name: Qiu, Liangyu
name: Chakraborty, Chitraleema
name: Vamivakas, Nickolas
name: Cardenas, Jaime
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplement 1
title:   A BRIEF TEACHER TRAINING ON USING MUSIC TO SUPPORT SOCIAL EMOTIONAL LEARNING IN PRESCHOOL
title:  TRAINING MATERIALS DEVELOPMENT
titleType: Subtitle
Creators: name: Sheridan, Alaina
Publisher: name: University of Kentucky Libraries
Year: 2023
Subjects: classificationCode: 6.4
subject: FOS: Arts (arts, history of arts, performing arts, music)

description: Music in early childhood can provide valuable support for developing social emotional learning in preschool children. Preschool teachers often lack training in how to incorporate music-based activities to support social emotional learning in the classroom. This thesis involves three steps. First, I developed the materials for one-day training that presents music-based experiences for social emotional learning in preschool. The training materials are centered around two learning objectives: 1) Identify at least 1 music-based experience that can support each of the five SEL competencies for children, and 2) increase knowledge of music-based experiences to support SEL in the preschool classroom. Second, I gathered content expert feedback from three individuals. The experts were an early childhood music provider, a local preschool teacher, and a nationally certified music educator. Finally, I examined the feedback from the content experts and refined the training materials.

Throughout this project I used the CASEL framework and concepts from anti-racist social emotional justice learning to help inform training materials and refinement. Results of this project expanded our knowledge of the benefits of preschool teacher training for music-based social emotional learning. The refinement of the training materials provided insight for potential future research on preschool teacher training and music-based approaches to social emotional learning.
description: © 2023 Alaina K. Sheridan
Axios/Ipsos Coronavirus Index Wave 66
Creators: name: Axios
Publisher: name: Roper Center for Public Opinion Research
Year: 2022

description: Activities in last week (6); work experiences in last few weeks (3); Coronavirus (COVID-19) restrictions in public places (1); risk of different activities (8); safety procedures when leaving the house (3); knowledge of local COVID-19 trends (3); concern about COVID-19 outbreak (6); returning to pre-COVID life (4); United States handling of the COVID-19 pandemic (1); eradication of the COVID-19 in the United States (2); current state of COVID-19 in the United States (2); trust in individuals/groups to provide accurate information about the COVID-19 pandemic (4); actions of others making recovery from the pandemic worse/better (1); COVID-19 risks are overexaggerated (3); federal spending on COVID-19 pandemic (1); COVID-19 vaccination (5); support/oppose COVID-19 mandates (6); support/oppose media reporting daily local COVID rates (1); support/oppose federal funding of a single national COVID-19 monitoring system (1); personally know someone who has tested positive for or died from coronavirus (2); COVID-19 testing (3); has had COVID-19 since March 2020 (7); main news source (1).
Compatible Quantum Theory
Creators: name: Friedberg, R
name: Hohenberg, P C
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Formulations of quantum mechanics can be characterized as realistic, operationalist, or a combination of the two. In this paper a realistic theory is defined as describing a closed system entirely by means of entities and concepts pertaining to the system. An operationalist theory, on the other hand, requires in addition entities external to the system. A realistic formulation comprises an ontology, the set of (mathematical) entities that describe the system, and assertions, the set of correct statements (predictions) the theory makes about the objects in the ontology. Classical mechanics is the prime example of a realistic physical theory. The present realistic formulation of the histories approach originally introduced by Griffiths, which we call 'Compatible Quantum Theory (CQT)', consists of a 'microscopic' part (MIQM), which applies to a closed quantum system of any size, and a 'macroscopic' part (MAQM), which requires the participation of a large (ideally, an infinite) system. The first (MIQM) can be fully formulated based solely on the assumption of a Hilbert space ontology and the noncontextuality of probability values, relying in an essential way on Gleason's theorem and on an application to dynamics due in large part to Nistico. The microscopic theory does not, however, possess a unique corpus of assertions, but rather a multiplicity of contextual truths ('c-truths'), each one associated with a different framework. This circumstance leads us to consider the microscopic theory to be physically indeterminate and therefore incomplete, though logically coherent. The completion of the theory requires a macroscopic mechanism for selecting a physical framework, which is part of the macroscopic theory (MAQM). Detailed definitions and proofs are presented in the appendices
Kondo Destruction and Quantum Criticality in Kondo Lattice Systems
Creators: name: Si, Qimiao
name: Pixley, J. H.
name: Nica, Emilian
name: Yamamoto, Seiji J.
name: Goswami, Pallab
name: Yu, Rong
name: Kirchner, Stefan
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Considerable efforts have been made in recent years to theoretically understand quantum phase transitions in Kondo lattice systems. A particular focus is on Kondo destruction, which leads to quantum criticality that goes beyond the Landau framework of order-parameter fluctuations. This unconventional quantum criticality has provided an understanding of the unusual dynamical scaling observed experimentally. It has also predicted a sudden jump of the Fermi surface and an extra (Kondo destruction) energy scale, both of which have been verified by systematic experiments. Considerations of Kondo destruction have in addition yielded a global phase diagram, which has motivated the current interest in heavy fermion materials with variable dimensionality or geometrical frustration. Here we summarize these developments, and discuss some of the ongoing work and open issues. We also consider the implications of these results for superconductivity. Finaly, we address the effect of spin-orbit coupling on the global phase diagram, suggest that SmB6 under pressure may display unconventional superconductivity in the transition regime between a Kondo insulator phase and an antiferroamgnetic metal phase, and argue that the interfaces of heavy-fermion heterostructures will provide a fertile setting to explore topological properties of both Kondo insulators and heavy-fermion superconductors.
description: (v2) 27 pages, 11 figures; formatting issues resolved; (v1) 10 pages, 11 figures, invited paper at SCES2013
Fermi-LAT Detection of a GeV Afterglow from a Compact Stellar Merger
Creators: name: Zhang, Hai-Ming
name: Huang, Yi-Yun
name: Zheng, Jian-He
name: Liu, Ruo-Yu
name: Wang, Xiang-Yu
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: It is usually thought that long-duration gamma-ray bursts (GRBs) are associated with massive star core collapse, whereas short-duration GRBs are associated with mergers of compact stellar binaries. The discovery of a kilonova associated with a nearby (350 Mpc) long-duration GRB-GRB 211211A, however, indicates that the progenitor of this long-duration GRB is a compact object merger. Here we report the Fermi-LAT detection of gamma-ray ($>100 {\rm \ MeV}$) afterglow emission from GRB 211211A, which lasts $\sim$20,000 s after the burst, the longest event for conventional short-duration GRBs ever detected. We suggest that this gamma-ray emission results from afterglow synchrotron emission. The soft spectrum of GeV emission may arise from a limited maximum synchrotron energy of only a few hundreds of MeV at $\sim$20,000 s. The unusually long duration of the GeV emission could be due to the proximity of this GRB and the long deceleration time of the GRB jet that is expanding in a low-density circumburst medium, consistent with the compact stellar merger scenario.
description: Correction of a typo
Tai Muong numerals
Creators: name: Pacquement, Jean
Publisher: name: Zenodo
Year: 2023
Subjects: Tai Muong
Tai dialects of Western Nghệ An (Vietnam)
Numerals

description: The ten recordings published here introduce Tai Muong numerals from 1 to 150 as well as those for 100, 1000, 10000, 100000, 1000000, as elicited from a female speaker living in Châu Phong Commune (Quỳ Châu District, Nghệ An Province, Vietnam), Lương Thị Hào. These recordings follow a first set of Tai Muong recordings by Lương Thị Dung, also from Châu Phong Commune, already uploaded to Zenodo (https://doi.org/10.5281/zenodo.7471498) and a presentation of Tai Muong specifically based on the variety spoken by Lương Thị Dung (https://zenodo.org/record/7472112). Tai Muong belongs to a group of Tai varieties spoken in Western Nghệ An, some being referred to as Tai Yo or Tai Pao, which are characterized by a Northern Tai substratum. However Northern Tai numerals, such as those used in Saek ([nɯŋB4] ‘one’. [rɔkDS1] ‘six’, [cɛtDS2] ‘seven’, [pe:tDL2] ‘eight’, [ku:C2] ‘nine’, [sipDS4] ‘ten’), are not used by the speaker. Her numerals are the Southwestern Tai numerals. The only exception – and it is not related to Northern Tai – is the Vietnamese numeral một ‘one’, which she consistently uses instead of [nɯŋB1] ‘one’ (in 1 to 10) and [ʔetDS3] ‘one’ (as the unit after any multiple of ten’).
Dynamical magnetic charges and linear magnetoelectricity
Creators: name: Ye, Meng
name: Vanderbilt, David
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Magnetoelectric (ME) materials are of fundamental interest and have been investigated for their broad potential for technological applications. The search for, and eventually the theoretical design of, materials with large ME couplings present challenging issues. First-principles methods have only recently been developed to calculate the full ME response tensor $α$ including both electronic and ionic (i.e., lattice-mediated) contributions. The latter is proportional to both the Born dynamical electric charge $Z^{\rm e}$ and its analogue, the dynamical magnetic charge $Z^{\rm m}$. Here we present a theoretical study of the magnetic charge $Z^{\rm m}$ and the mechanisms that could enhance it. Using first-principles density-functional methods, we calculate the atomic $Z^{\rm m}$ tensors in $\rm{Cr_2O_3}$, a prototypical magnetoelectric, and in KITPite, a fictitious material that has previously been reported to show a strong ME response arising from exchange striction effects. Our results confirm that in $\rm{Cr_2O_3}$, the $Z^{\rm m}$ values and resulting ME responses arise only from spin-orbit coupling (SOC) and are therefore rather weak. In KITPite, by contrast, the exchange striction acting on the non-collinear spin structure induces much $Z^{\rm m}$ values that persist even when SOC is completely absent.
description: 7 pages, 4 figures
Puddle formation, persistent gaps, and non-mean-field breakdown of superconductivity in overdoped (Pb,Bi)2Sr2CuO6+δ
Creators: name: Tromp, Willem O.
name: Benschop, Tjerk
name: Ge, Jian-Feng
name: Battisti, Irene
name: Bastiaans, Koen M.
name: Chatzopoulos, Damianos
name: Vervloet, Amber
name: Smit, Steef
name: van Heumen, Erik
name: Golden, Mark S.
name: Huang, Yingkai
name: Kondo, Takeshi
name: Yin, Yi
name: Hoffman, Jennifer E.
name: Sulangi, Miguel Antonio
name: Zaanen, Jan
name: Allan, Milan P.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The cuprate high-temperature superconductors exhibit many unexplained electronic phases, but it was often thought that the superconductivity at sufficiently high doping is governed by conventional mean-field Bardeen-Cooper-Schrieffer (BCS) theory[1]. However, recent measurements show that the number of paired electrons (the superfluid density) vanishes when the transition temperature Tc goes to zero[2], in contradiction to expectation from BCS theory. The origin of this anomalous vanishing is unknown. Our scanning tunneling spectroscopy measurements in the overdoped regime of the (Pb,Bi)2Sr2CuO6+δ high-temperature superconductor show that it is due to the emergence of puddled superconductivity, featuring nanoscale superconducting islands in a metallic matrix[3,4]. Our measurements further reveal that this puddling is driven by gap filling, while the gap itself persists beyond the breakdown of superconductivity. The important implication is that it is not a diminishing pairing interaction that causes the breakdown of superconductivity. Unexpectedly, the measured gap-to-filling correlation also reveals that pair-breaking by disorder does not play a dominant role and that the mechanism of superconductivity in overdoped cuprate superconductors is qualitatively different from conventional mean-field theory.
Intégration des données d'un lexique syntaxique dans un analyseur syntaxique probabiliste
Creators: name: Sigogne, Anthony
name: Constant, Matthieu
name: Laporte, Eric
Publisher: name: arXiv
Year: 2014
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: This article reports the evaluation of the integration of data from a syntactic-semantic lexicon, the Lexicon-Grammar of French, into a syntactic parser. We show that by changing the set of labels for verbs and predicational nouns, we can improve the performance on French of a non-lexicalized probabilistic parser.
description: in French
An introduction to a Tai Muong variety spoken in Châu Phong Commune (Quỳ Châu District, Nghệ An Province, Vietnam)
Creators: name: Pacquement, Jean
Publisher: name: Zenodo
Year: 2023
Subjects: Tai Muong
Tai dialects of Western Nghệ An (Vietnam)
Tone systems

description: The working paper posted here, entitled An introduction to a Tai Muong variety spoken in Châu Phong Commune (Quỳ Châu District, Nghệ An Province, Vietnam), discusses Tai Muong as it is spoken by Lương Thị Dung, a speaker in Châu Phong Commune (Quỳ Châu District, Nghệ An Province, Vietnam). It is intended to accompany an audio word list consisting of 40 recordings, which have already been uploaded to Zenodo (https://doi.org/10.5281/zenodo.7471498).
Exponentially small lower bounds for the splitting of separatrices to whiskered tori with frequencies of constant type
Creators: name: Delshams, Amadeu
name: Gonchenko, Marina
name: Gutiérrez, Pere
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37J40, 70H08

description: We study the splitting of invariant manifolds of whiskered tori with two frequencies in nearly-integrable Hamiltonian systems, such that the hyperbolic part is given by a pendulum. We consider a 2-dimensional torus with a fast frequency vector $ω/\sqrtε$, with $ω=(1,Ω)$ where $Ω$ is an irrational number of constant type, i.e. a number whose continued fraction has bounded entries. Applying the Poincaré-Melnikov method, we find exponentially small lower bounds for the maximal splitting distance between the stable and unstable invariant manifolds associated to the invariant torus, and we show that these bounds depend strongly on the arithmetic properties of the frequencies.
description: 12 pages, 1 figure. arXiv admin note: text overlap with arXiv:1306.0728
Didática e orientação político-pedagógica contribuições de Florestan Fernandes
Creators: name: Gomes Junior, Elson dos Santos
Publisher: name: Zenodo
Year: 2022
Subjects: Florestan Fernandes; Didática; Enriquecimento Político-Pedagógico.

description: Este trabalho apresenta a importância da obra de Florestan Fernandes (1920-1995), como recurso de enriquecimento didático e de orientação político-pedagógica. Assim, considerando sua sociologia crítica e sua preocupação em tornar a educação um instrumento da “radicalização democrática”, identificamos neste aparato analítico importante contribuição para o cotidiano da construção do conhecimento. De modo geral, este não deve ser delimitado pelo o âmbito escolar, mas sim, fonte de transbordamento cujos objetivos espraiam-se para o social, o político e, de modo geral, para a história. Educar assim, para a radicalização democrática, encontra-se no cerne de uma pedagogia crítica e descontente com as desigualdades que, além disso, não aceita o formalismo conservador e conciliador como alternativa de coexistência social entre classes.
Electron-electron interactions in bilayer graphene quantum dots
Creators: name: Zarenia, M.
name: Partoens, B.
name: Chakraborty, T.
name: Peeters, F. M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A parabolic quantum dot (QD) as realized by biasing nanostructured gates on bilayer graphene is investigated in the presence of electron-electron interaction. The energy spectrum and the phase diagram reveal unexpected transitions as function of a magnetic field. For example, in contrast to semiconductor QDs, we find a novel valley transition rather than only the usual singlet-triplet transition in the ground state of the interacting system. The origin of these new features can be traced to the valley degree of freedom in bilayer graphene. These transitions have important consequences for cyclotron resonance experiments.
description: 5 pages, 5 figures, to appear in Phys. Rev. B
Weighted badly approximable complex vectors and bounded orbits of certain diagonalizable flows
Creators: name: Sawant, Gaurav
Publisher: name: arXiv
Year: 2022
Subjects: subject: Dynamical Systems (math.DS)
subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: We show an analogue of a theorem of An, Ghosh, Guan, and Ly on weighted badly approximable vectors for totally imaginary number fields. We show that for $G=\mathrm{SL}_2(\mathbb{C})\times\dots\times\mathrm{SL}_2(\mathbb{C})$ and $Γ
description: 17 pages, v3: minor corrections, sections 2 and 4 improved
Complex magnetic behavior of the sawtooth Fe chains in Rb$_{2}$Fe$_{2}$O(AsO$_{4}$)$_{2}$
Creators: name: Garlea, V. O.
name: Sanjeewa, L. D.
name: McGuire, M. A.
name: Kumar, P.
name: Sulejmanovic, D.
name: He, J.
name: Hwu, S. -J
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Results of magnetic field and temperature dependent neutron diffraction and magnetization measurements on oxy-arsenate Rb$_{2}$Fe$_{2}$O(AsO$_{4}$)$_{2}$ are reported. The crystal structure of this compound contains pseudo-one-dimensional [Fe$_{2}$O$_{6}$]$^\infty$ sawtooth-like chains, formed by corner sharing isosceles triangles of $Fe^{3+}$ ions occupying two nonequivalent crystallographic sites. The chains extend infinitely along the crystallographic $b$-axis and are structurally confined from one another via diamagnetic (AsO$_{4}$)$^{3-}$ units along the $a$-axis, and Rb$^+$ cations along the $c$-axis direction. Neutron diffraction measurements indicate the onset of a long range antiferromagnetic order below approximately 25 K. The magnetic structure consists of ferrimagnetic chains which are antiferromagnetically coupled with each other. Within each chain, one of the two Fe sites carries a moment which lies along the \emph{b}-axis, while the second site bears a canted moment in the opposite direction. Externally applied magnetic field induces a transition to a ferrimagnetic state, in which the coupling between the sawtooth chains becomes ferromagnetic. Magnetization measurements performed on optically-aligned single crystals reveal evidence for an uncompensated magnetization at low magnetic fields that could emerge from to a phase-segregated state with ferrimagnetic inclusions or from antiferromagnetic domain walls. The observed magnetic states and the competition between them is expected to arise from strongly frustrated interactions within the sawtooth chains and relatively weak coupling between them.
Strain-Engineering Anisotropic Electrical Conductance of Phosphorene and Few-Layer Black Phosphorus
Creators: name: Fei, Ruixiang
name: Yang, Li
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Newly fabricated monolayer phosphorene and its few-layer structures are expected to be promising for electronic and optical applications because of their finite direct band gaps and sizable but anisotropic electronic mobility. By first-principles simulations, we show that this unique anisotropic conductance can be controlled by using simple strain conditions. With the appropriate biaxial or uniaxial strain, we can rotate the preferred conducting direction by 90 degrees. This will be of useful for exploring quantum Hall effects, and exotic electronic and mechanical applications based on phosphorene.
description: 10 pages with 4 figures
Credible, Strategyproof, Optimal, and Bounded Expected-Round Single-Item Auctions for all Distributions
Creators: name: Essaidi, Meryem
name: Ferreira, Matheus V. X.
name: Weinberg, S. Matthew
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Cryptography and Security (cs.CR)
subject: Econometrics (econ.EM)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business

description: We consider a revenue-maximizing seller with a single item for sale to multiple buyers with i.i.d. valuations. Akbarpour and Li (2020) show that the only optimal, credible, strategyproof auction is the ascending price auction with reserves which has unbounded communication complexity. Recent work of Ferreira and Weinberg (2020) circumvents their impossibility result assuming the existence of cryptographically secure commitment schemes, and designs a two-round credible, strategyproof, optimal auction. However, their auction is only credible when buyers' valuations are MHR or $α$-strongly regular: they show their auction might not be credible even when there is a single buyer drawn from a non-MHR distribution. In this work, under the same cryptographic assumptions, we identify a new single-item auction that is credible, strategyproof, revenue optimal, and terminates in constant rounds in expectation for all distributions with finite monopoly price.
description: 22 Pages
Quantum Chernoff bound as a measure of efficiency of quantum cloning for mixed states
Creators: name: Ghiu, Iulia
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper we investigate the efficiency of quantum cloning of $N$ identical mixed qubits. We employ a recently introduced measure of distinguishability of quantum states called quantum Chernoff bound. We evaluate the quantum Chernoff bound between the output clones generated by the cloning machine and the initial mixed qubit state. Our analysis is illustrated by performing numerical calculation of the quantum Chernoff bound for different scenarios that involves the number of initial qubits $N$ and the number of output imperfect copies $M$.
Exact subcategories, subfunctors of $\operatorname{Ext}$, and some applications
Creators: name: Dao, Hailong
name: Dey, Souvik
name: Dutta, Monalisa
Publisher: name: arXiv
Year: 2022
Subjects: subject: Category Theory (math.CT)
subject: Commutative Algebra (math.AC)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 18E05, 18G15, 13C13, 13C14, 13C60, 13D07

description: Let $(\mathcal{A},\mathcal{E})$ be an exact category. We establish basic results that allow one to identify sub(bi)functors of $\operatorname{Ext}_{\mathcal{E}}(-,-)$ using additivity of numerical functions and restriction to subcategories. We also study a small number of these new functors over commutative local rings in details, and find a range of applications from detecting regularity to understanding Ulrich modules.
description: To appear in Nagoya Mathematical Journal. This arXiv version contains one additional result (than the Journal Version), namely Proposition 5.1.27
More Stiffness with Less Fiber: End-to-End Fiber Path Optimization for 3D-Printed Composites
Creators: name: Sun, Xingyuan
name: Roeder, Geoffrey
name: Xue, Tianju
name: Adams, Ryan P.
name: Rusinkiewicz, Szymon
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: FOS: Computer and information sciences

description: In 3D printing, stiff fibers (e.g., carbon fiber) can reinforce thermoplastic polymers with limited stiffness. However, existing commercial digital manufacturing software only provides a few simple fiber layout algorithms, which solely use the geometry of the shape. In this work, we build an automated fiber path planning algorithm that maximizes the stiffness of a 3D print given specified external loads. We formalize this as an optimization problem: an objective function is designed to measure the stiffness of the object while regularizing certain properties of fiber paths (e.g., smoothness). To initialize each fiber path, we use finite element analysis to calculate the stress field on the object and greedily "walk" in the direction of the stress field. We then apply a gradient-based optimization algorithm that uses the adjoint method to calculate the gradient of stiffness with respect to fiber layout. We compare our approach, in both simulation and real-world experiments, to three baselines: (1) concentric fiber rings generated by Eiger, a leading digital manufacturing software package developed by Markforged, (2) greedy extraction on the simulated stress field (i.e., our method without optimization), and (3) the greedy algorithm on a fiber orientation field calculated by smoothing the simulated stress fields. The results show that objects with fiber paths generated by our algorithm achieve greater stiffness while using less fiber than the baselines--our algorithm improves the Pareto frontier of object stiffness as a function of fiber usage. Ablation studies show that the smoothing regularizer is needed for feasible fiber paths and stability of optimization, and multi-resolution optimization helps reduce the running time compared to single-resolution optimization.
description: ACM SCF 2023: Proceedings of the 8th Annual ACM Symposium on Computational Fabrication
Negative Differential Resistance due to Nonlinearities in Single and Stacked Josephson Junctions
Creators: name: Filatrella, G.
name: Pierro, V.
name: Pedersen, N. F.
name: Soerensen, M. P.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Josephson junction systems with a negative differential resistance play an essential role for applications. As a well known example, long Josephson junctions of the BSCCO type have been considered as a source of THz radiation in recent experiments. Numerical results for the dynamics of the fluxon system have demonstrated that a cavity induced negative differential resistance plays a crucial role for the emission of electromagnetic radiation. We consider the case of a negative differential resistance region in the McCumber curve itself of a single junction and found that it has an effect on the emission of electromagnetic radiation. Two different shapes of negative differential resistance region are considered and we found it is essential to distinguish between current bias and voltage bias.
description: 8 figures 5 color
Localization of the spectra of dual frames multipliers
Creators: name: Corso, Rosario
Publisher: name: arXiv
Year: 2022
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 42C15, 47A10, 47A12

description: This paper concerns dual frames multipliers, i.e. operators in Hilbert spaces consisting of analysis, multiplication and synthesis processes, where the analysis and the synthesis are made by two dual frames, respectively. The goal of the paper is to give some results about the localization of the spectra of dual frames multipliers, i.e. to individuate regions of the complex plane containing the spectra using some information about the frames and the symbols.
description: 9 pages