cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
RR Lyrae variables in Messier 53: Near-infrared Period--Luminosity relations and the calibration using Gaia Early Data Release 3
Creators: name: Bhardwaj, Anupam
name: Rejkuba, Marina
name: de Grijs, Richard
name: Yang, Soung-Chul
name: Herczeg, Gregory J.
name: Marconi, Marcella
name: Singh, Harinder P.
name: Kanbur, Shashi
name: Ngeow, Chow-Choong
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present new near-infrared, $JHK_s$, Period--Luminosity relations (PLRs) for RR Lyrae variables in the Messier 53 (M53 or NGC 5024) globular cluster. Multi-epoch $JHK_s$ observations, obtained with the WIRCam instrument on the 3.6-m Canada France Hawaii Telescope, are used for the first time to estimate precise mean-magnitudes for 63 RR Lyrae stars in M53 including 29 fundamental-mode (RRab) and 34 first-overtone modes (RRc) variables. The $JHK_s$-band PLRs for RR Lyrae stars are best constrained for RRab types with a minimal scatter of 22, 23, and 19 mmag, respectively. The combined sample of RR Lyrae is used to derive the $K_s$-band PLR, $K_s = -2.303 (0.063) \log P + 15.212 (0.016)$ exhibiting a $1σ$ dispersion of only $0.027$ mag. Theoretical Period--Luminosity--Metallicity (PLZ) relations are used to predict parallaxes for 400 Galactic RR Lyrae resulting in a median parallax zero-point offset of $-7\pm3~μ$as in {\it Gaia} Early Data Release 3 (EDR3), which increases to $22\pm2~μ$as if the parallax corrections are applied. We also estimate a robust distance modulus, $μ_\textrm{M53} = 16.403 \pm 0.024$ (statistical) $\pm 0.033$ (systematic) mag, to M53 based on theoretical calibrations. Homogeneous and precise mean-magnitudes for RR Lyrae in M53 together with similar literature data for M3, M4, M5, and $ω$ Cen are used to empirically calibrate a new RR Lyrae PLZ$_{K_s}$ relation, $K_s = -0.848 (0.007) -2.320 (0.006) \log P + 0.166 (0.011) {\rm[Fe/H]}$, anchored with {\it Gaia} EDR3 distances and theoretically predicted relations, and simultaneously estimate precise RR Lyrae based distances to these globular clusters.
description: 18 pages, 10 figures, 4 Tables, Final Version, Accepted in The Astrophysical Journal
IV. Konsultation der Societas Oecumenica
Creators: name: Vergauwen, Guido
name: Kühne, Hans-Jochen
name: Falconer, Alan D.
name: Brosseder, Johannes
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 36 Nr. 2 (1987): Ökumenische Rundschau, Band 36, Heft 2
Theory of valuations on manifolds, IV. New properties of the multiplicative structure
Creators: name: Alesker, Semyon
Publisher: name: arXiv
Year: 2005
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics

description: This is the fourth part in the series of articles math.MG/0503397, math.MG/0503399, math.MG/0509512 where the theory of valuations on manifolds is developed. In this part it is shown that the filtration on valuations introduced in math.MG/0503399 is compatible with the product. Then it is proved that the Euler-Verdier involution on smooth valuations introduced in math.MG/0503399 is an automorphism of the algebra of valuations. Then an integration functional on valuations with compact support is introduced, and a property of selfduality of valuations is proved. Next a space of generalized valuations is defined, and some basic properties of it are proved. Finally a canonical imbedding of the space of constructible functions on a real analytic manifold into the space of generalized valuations is constructed, and various structures on valuations are compared with known structures on constructible functions.
description: 40 pages; errors corrected in the proof of Theorems 7.4.1 and 8.4.1
Maximizing performance of quantum cascade laser-pumped molecular lasers
Creators: name: Wang, Fan
name: Johnson, Steven G.
name: Everitt, Henry O.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Quantum cascade laser (QCL)-pumped molecular lasers (QPMLs) have recently been introduced as a new source of powerful (>1 mW), tunable (>1 THz), narrow-band (<10 kHz), continuous-wave terahertz radiation. The performance of these lasers depends critically on molecular collision physics, pump saturation, and on the design of the laser cavity. Using a validated three-level model that captures the essential collision and saturation behaviors of the QPML gas nitrous oxide (N2O),we explore how threshold pump power and output terahertz power depend on pump power, gas pressure, as well as on the diameter, length, and output-coupler transmissivity of a cylindrical cavity.The analysis indicates that maximum power occurs as pump saturation is minimized in a manner that depends much more sensitively on pressure than on cell diameter, length, or transmissivity. A near-optimal compact laser cavity can produce more than 10 mW of power tunable over frequencies above 1 THz when pumped by a multi-watt QCL.
Casimir Energy of 5D Electromagnetism and New Regularization Based on Minimal Area Principle
Creators: name: Ichinose, Shoichi
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We examine the Casimir energy of 5D electromagnetism in the recent standpoint. The bulk geometry is flat. Z$_2$ symmetry and the periodic property, for the extra coordinate, are taken into account. After confirming the consistency with the past result, we do new things based on a {\it new regularization}. In the treatment of the divergences, we introduce IR and UV cut-offs and {\it restrict} the (4D momentum, extra coordinate)-integral region. The regularized configuration is the {\it sphere lattice}, in the 4D continuum space, which changes along the extra coordinate. The change (renormalization flow) is specified by the {\it minimal area principle}, hence this regularization configuration is string-like. We do the analysis not in the Kaluza-Klein expanded form but in a {\it closed} form. We do {\it not} use any perturbation. The formalism is based on the heat-kernel approach using the {\it position/momentum propagator}. Interesting relations between the heat-kernels and the P/M propagators are obtained, where we introduce the {\it generalized} P/M propagators. A useful expression of the Casimir energy, in terms of the P/M propagator, is obtained. The restricted-region approach is replaced by the weight-function approach in the latter-half description. Its meaning, in relation to the {\it space-time quantization}, is argued. {\it Finite} Casimir energy is numerically obtained. The compactification-size parameter (periodicity) suffers from the renormalization effect. Numerical evaluation is exploited. Especially the minimal surface lines in the 5D flat space are obtained both numerically using the Runge-Kutta method and analytically using the general solution.
description: 42 pages, 24 figures, Typographical mistakes are corrected, Publishing format version
Effects of bridged taps on the channel capacity of very high-bit-rate digital subscriber lines
Creators: name: Wang, Amanda
Publisher: name: University of British Columbia
Year: 2009

description: The Digital Subscriber Line (DSL) technologies have been developed to meet the growing demand for high speed data transmissions to home. These technologies offer data rates that are of several order of magnitudes compared to today's analog modems operating over the same existing copper twisted pairs. Very-high-bit-rate DSL (VDSL) is the latest member of the DSL family. To date, most of the analysis on channel performance for VDSL systems are based on the model of transmission lines without considering the adverse effects caused by the presence of bridged taps. In practical situations; however, multiple bridged taps can introduce severe propagation loss. This is especially pronounced in VDSL systems because the operating frequency range is higher and the bridged taps are shorter as compared to other DSL systems. Motivated by the above, the objective of this thesis is to study the effects of bridged taps on the channel capacity of VDSL services over the Unshielded Twisted Pair (UTP) under various noise impairment conditions. First, we develop channel models of VDSL loops with the presence of bridged taps. Then, we employ these models to obtain the mathematical expressions for the channel capacity by taking the additive white Gaussian noise (AWGN) and the far-end crosstalk (FEXT) noise into account: Using the proposed analytical models, we have discovered that the channel capacity is only affected by the lengths of the bridged taps but not their physical locations for homogeneous loops in AWGN environment. On the other hand, in a FEXT dominated environment, we have proved that the channel capacity increases when the bridging locations are moved away from the transmitter. In addition, we have determined that FEXT is the dominant impairment for short VDSL loops, while AWGN is the dominating impairment for long loops.
p97/VCP targets Toxoplasma gondii vacuoles for parasite restriction in interferon-stimulated human cells
Creators: name: Clough, Barbara
name: Fisch, Daniel
name: Mize, Todd H
name: Encheva, Vesela
name: Snijders, Ambrosius
name: Frickel, Eva-Maria
Publisher: name: The Francis Crick Institute
Year: 2024
Subjects: classificationCode: Chemical Biology & High Throughput
subject: Chemical Biology & High Throughput
classificationCode: Infectious Disease
subject: Infectious Disease
classificationCode: Immunology
subject: Immunology
subject: FOS: Clinical medicine
classificationCode: Computational & Systems Biology
subject: Computational & Systems Biology
classificationCode: Model organisms
subject: Model organisms
classificationCode: Biochemistry & Proteomics
subject: Biochemistry & Proteomics
classificationCode: Cell Biology
subject: Cell Biology

description: Infection with the parasite Toxoplasma gondii leads to production of interferon gamma (IFNγ) that stimulates cells to upregulate defense proteins targeting the parasite for cell intrinsic elimination or growth restriction. Various host defense mechanisms operate at the parasitophorous vacuole (PV) in different human cell types leading to PV disruption, acidification, or membrane envelopment. Ubiquitin and p62 are players in all human host control mechanisms of Toxoplasma, but other unifying proteins have not been identified. Here, we show that p97/valosin-containing protein (VCP), as well as its associated proteins ANKRD13A and UBXD1 control Toxoplasma infection while recruited to the PV in IFNγ-stimulated endothelial cells. Convergent deposition of ANKRD13A, p97/VCP, and UBXD1 onto the same vacuole is dependent on vacuolar ubiquitination and observed within 2 h post-infection. ANKRD13A, p97/VCP, and UBXD1 all drive the acidification mechanism of the vacuole, which is the IFNγ-dependent control pathway of Toxoplasma in endothelial cells. We assessed p97/VCP in Toxoplasma control in various human cells and demonstrate that p97/VCP is a universal IFNγ-dependent host restriction factor targeting the Toxoplasma PV in epithelial (HeLa) and endothelial cells (human umbilical vein endothelial cells), fibroblasts (human foreskin fibroblast), and macrophages (THP1).
Commutator Anomaly in Noncommutative Quantum Mechanics
Creators: name: Dulat, Sayipjamal
name: Li, Kang
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this letter, firstly, the Schr$\ddot{o}$dinger equation on noncommutative phase space is given by using a generalized Bopp's shift. Then the anomaly term of commutator of arbitrary physical observable operators on noncommutative phase space is obtained. Finally, the basic uncertainty relations for space-space and space-momentum as well as momentum-momentum operators in noncommutative quantum mechanics (NCQM), and uncertainty relation for arbitrary physical observable operators in NCQM are discussed.
description: 7 pages
Dank or Not? -- Analyzing and Predicting the Popularity of Memes on Reddit
Creators: name: Barnes, Kate
name: Riesenmy, Tiernon
name: Trinh, Minh Duc
name: Lleshi, Eli
name: Balogh, Nóra
name: Molontay, Roland
Publisher: name: arXiv
Year: 2020
Subjects: subject: Social and Information Networks (cs.SI)
subject: Computation and Language (cs.CL)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computers and Society (cs.CY)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences
subject: J.4; I.2.10

description: Internet memes have become an increasingly pervasive form of contemporary social communication that attracted a lot of research interest recently. In this paper, we analyze the data of 129,326 memes collected from Reddit in the middle of March, 2020, when the most serious coronavirus restrictions were being introduced around the world. This article not only provides a looking glass into the thoughts of Internet users during the COVID-19 pandemic but we also perform a content-based predictive analysis of what makes a meme go viral. Using machine learning methods, we also study what incremental predictive power image related attributes have over textual attributes on meme popularity. We find that the success of a meme can be predicted based on its content alone moderately well, our best performing machine learning model predicts viral memes with AUC=0.68. We also find that both image related and textual attributes have significant incremental predictive power over each other.
description: 23 pages, 12 figures
Orientational ordering in hard rectangles: The role of three-body correlations
Creators: name: Martinez-Raton, Yuri
name: Velasco, Enrique
name: Mederos, Luis
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate the effect of three-body correlations on the phase behavior of hard rectangle two-dimensional fluids. The third virial coefficient, $B_3$, is incorporated via an equation of state that recovers scaled particle theory for parallel hard rectangles. This coefficient, a functional of the orientational distribution function, is calculated by Monte Carlo integration, using an accurate parameterized distribution function, for various particle aspect ratios in the range 1-25. A bifurcation analysis of the free energy calculated from the obtained equation of state is applied to find the isotropic (I)-uniaxial nematic (N$_u$) and isotropic-tetratic nematic (N$_t$) spinodals and to study the order of these phase transitions. We find that the relative stability of the N$_t$ phase with respect to the isotropic phase is enhanced by the introduction of $B_3$. Finally, we have calculated the complete phase diagram using a variational procedure and compared the results with those obtained from scaled particle theory and with Monte Carlo simulations carried out for hard rectangles with various aspect ratios. The predictions of our proposed equation of state as regards the transition densities between the isotropic and orientationally ordered phases for small aspect ratios are in fair agreement with simulations. Also, the critical aspect ratio below which the N$_t$ phase becomes stable is predicted to increase due to three-body correlations, although the corresponding value is underestimated with respect to simulation.
description: 15 pages, 12 figures. To appear in JCP
Dark Energy Density in Brane World
Creators: name: Wen, Hai-Bao
name: Huang, Xin-Bing
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a possible explanation to the tiny positive cosmological constant under the frame of AdS$_5$ spacetime embedded by a dS$_4$ brane. We calculate the dark energy density by summing the zero point energy of massive scalar fields in AdS$_5$ spacetime. Under the assumption that the radius of AdS$_5$ spacetime is of the same magnitude as the radius of observable universe, the dark energy density in dS$_4$ brane is obtained, which is smaller than the observational value. The reasons are also discussed.
description: 12 pages, no figures, to appear in Chin.Phys.Lett
title: Wpływ nowelizacji ustawy o planowaniu i zagospodarowaniu przestrzennym na trwające procedury planistyczne na przykładzie gminy Suchy Las
Creators: name: Serafin, Agnieszka
name: Nadolny, Adam
Publisher: name: Publishing House of Poznan University of Technology
Year: 2023

description: Zeszyty Naukowe Politechniki Poznańskiej. Architektura, Urbanistyka, Architektura Wnętrz, 15, 225-240
Density-functional theory of strongly correlated Fermi gases in elongated harmonic traps
Creators: name: Xianlong, Gao
name: Polini, Marco
name: Asgari, Reza
name: Tosi, M. P.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Two-component Fermi gases with tunable repulsive or attractive interactions inside quasi-one-dimensional (Q1D) harmonic wells may soon become the cleanest laboratory realizations of strongly correlated Luttiger and Luther-Emery liquids under confinement. We present a microscopic Kohn-Sham density-functional theory of these systems, with specific attention to a gas on the approach to a confinement-induced Feshbach resonance. The theory employs the one-dimensional Gaudin-Yang model as the reference system and transfers the appropriate Q1D ground-state correlations to the confined inhomogeneous gas {\it via} a suitable local-density approximation to the exchange and correlation energy functional. Quantitative understanding of the role of the interactions in the bulk shell structure of the axial density profile is thereby achieved. While repulsive intercomponent interactions depress the amplitude of the shell structure of the noninteracting gas, attractive interactions stabilize atomic-density waves through spin pairing. These should be clearly observable in atomic clouds containing of the order of up to a hundred atoms.
description: 13 pages, 9 figures, submitted
Thermodynamics of a Brownian particle in a non-confining potential
Creators: name: Farago, Oded
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider the overdamped Brownian dynamics of a particle starting inside a square potential well which, upon exiting the well, experiences a flat potential where it is free to diffuse. We calculate the particle's probability distribution function (PDF) at coordinate $x$ and time $t$, $P(x,t)$, by solving the corresponding Smoluchowski equation. The solution is expressed by a multipole expansion, with each term decaying $t^{1/2}$ faster than the previous one. At asymptotically large times, the PDF outside the well converges to the Gaussian PDF of a free Brownian particle. The average energy, which is proportional to the probability of finding the particle inside the well, diminishes as $E\sim 1/t^{1/2}$. Interestingly, we find that the free energy of the particle, $F$, approaches the free energy of a freely diffusing particle, $F_0$, as $δF=F-F_0\sim 1/t$, i.e., at a rate faster than $E$. We provide analytical and computational evidences that this scaling behavior of $δF$ is a general feature of Brownian dynamics in non-confining potential fields. Furthermore, we argue that $δF$ represents a diminishing entropic component which is localized in the region of the potential, and which diffuses away with the spreading particle without being transferred to the heat bath.
description: Accepted for publication in Phys. Rev. E
Hyperkähler Isometries Of K3 Surfaces
Creators: name: Banerjee, Anindya
name: Moore, Gregory W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider symmetries of K3 manifolds. Holomorphic symplectic automorphisms of K3 surfaces have been classified, and observed to be subgroups of the Mathieu group $M_{23}$. More recently, automorphisms of K3 sigma models commuting with $SU(2)\times SU(2)$ $R$-symmetry have been classified by Gaberdiel, Hohenegger, and Volpato. These groups are all subgroups of the Conway group. We fill in a small gap in the literature and classify the possible hyperkähler isometry groups of K3 manifolds. There is an explicit list of $40$ possible groups, all of which are realized in the moduli space. The groups are all subgroups of $M_{23}$.
description: 26 pp; v2: Various typos fixed. We corrected an error in the statement of Lemma 1. The remainder of the paper is unchanged
A Morphological Classification Model to Identify Unresolved PanSTARRS1 Sources II: Update to the PS1 Point Source Catalog
Creators: name: Miller, A. A.
name: Hall, X.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present an update to the PanSTARRS-1 Point Source Catalog (PS1 PSC), which provides morphological classifications of PS1 sources. The original PS1 PSC adopted stringent detection criteria that excluded hundreds of millions of PS1 sources from the PSC. Here, we adapt the supervised machine learning methods used to create the PS1 PSC and apply them to different photometric measurements that are more widely available, allowing us to add $\sim$144 million new classifications while expanding the the total number of sources in PS1 PSC by $\sim$10%. We find that the new methodology, which utilizes PS1 forced photometry, performs $\sim$6-8% worse than the original method. This slight degradation in performance is offset by the overall increase in the size of the catalog. The PS1 PSC is used by time-domain surveys to filter transient alert streams by removing candidates coincident with point sources that are likely to be Galactic in origin. The addition of $\sim$144 million new classifications to the PS1 PSC will improve the efficiency with which transients are discovered.
description: updated to include classifications from Gaia EDR3
A Critical Study of the B -> K πPuzzle
Creators: name: Kim, C. S.
name: Oh, Sechul
name: Yu, Chaehyun
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the light of new experimental results on B -> K pi decays, we critically study the decay processes B -> K pi in a phenomenological way. Using the quark diagram approach and the currently available data, we determine the allowed values of the relevant theoretical parameters, corresponding to the electroweak (EW) penguin, the color-suppressed tree contribution, etc. In order to find the most likely values of the parameters in a statistically reliable way, we use the chi^2 minimization technique. Our result shows that the current data for B to K pi decays strongly indicate (large) enhancements of both the EW penguin and the color-suppressed tree contributions. In particular, the color-suppressed tree effect needs to be enhanced by about an order of magnitude to fit the present data.
description: 19pages, 5 figures, The study of sensitivity on r_C, r_EW is added
Elicitation on sluicing, passives, imperatives, pied piping
Creators: name: Rudolph, Johnny (Soni)
name: Drummond, Emily
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: nkr

description: Elicitation on sluicing, passives, and imperatives, followed by pied piping of prepositions and its interaction with sluicing.
Properties of polarized synchrotron emission from fluctuation-dynamo action -- I. Application to galaxy clusters
Creators: name: Sur, Sharanya
name: Basu, Aritra
name: Subramanian, Kandaswamy
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Using magnetohydrodynamic simulations of fluctuation dynamos, we perform broad-bandwidth synthetic observations to investigate the properties of polarized synchrotron emission and the role that Faraday rotation plays in inferring the polarized structures in the intracluster medium (ICM) of galaxy clusters. In the saturated state of the dynamo, we find a Faraday depth (FD) dispersion $σ_{\rm FD} \approx 100$ rad m$^{-2}$, in agreement with observed values in the ICM. Remarkably, the FD power spectrum is qualitatively similar to $M(k)/k$, where $M(k)$ is the magnetic spectrum and $k$ the wavenumber. However, this similarity is broken at high $k$ when FD is obtained by applying RM synthesis to polarized emission from the ICM due to poor resolution and complexities of spectrum in FD space. Unlike the Gaussian probability distribution function (PDF) obtained for FD, the PDF of the synchrotron intensity is lognormal. A relatively large $σ_{\rm FD}$ in the ICM gives rise to strong frequency-dependent variations of the pixel-wise mean and peak polarized intensities at low frequencies ($\lesssim 1.5\,{\rm GHz}$). The mean fractional polarization $\langle p \rangle$ obtained at the resolution of the simulations increases from $<0.1$ at 0.5 GHz to its intrinsic value of $\sim0.3$ at 6 GHz. Beam smoothing significantly affects the polarization properties below $\lesssim 1.5\,{\rm GHz}$, reducing $\langle p \rangle$ to $\lesssim 0.01$ at 0.5 GHz. At frequencies $\gtrsim 5\,{\rm GHz}$, polarization remains largely unaffected, even when recovered using RM synthesis. Thus, our results underline the need for high-frequency ($\gtrsim 5\,{\rm GHz}$) observations with future radio telescopes to effectively probe the properties of polarized emission in the ICM.
description: Published in MNRAS
Metrics of Horowitz-Myers type with the negative constant scalar curvature
Creators: name: Liang, Zhuobin
name: Zhang, Xiao
Publisher: name: arXiv
Year: 2020
Subjects: subject: Differential Geometry (math.DG)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We construct a one-parameter family of complete metrics of Horowitz-Myers type with the negative constant scalar curvature. We also verify a positive energy conjecture of Horowitz-Myers for these metrics.
description: 12 pages, to appear in J Math Phys
Benefits of speech technologies for translators and revisers
Creators: name: Secara, Alina
name: Ciobanu, Dragos
Publisher: name: University of Vienna. Centre for Translation Studies
Year: 2023
Subjects: speech synthesis
text-to-speech
translation effort
revision

description: Speech technologies – speech synthesis (text-to-speech) and speech recognition (speech-to-text) – can improve the ergonomics, productivity and quality of linguists’ output. As their quality for some languages has recently passed the acceptability threshold, they have been gradually integrated into professional language services. Their impact on linguists’ work therefore needs to be investigated to identify advantages and mitigate pitfalls. This article explores the application of speech synthesis in a French to English revision task conducted in a CAT tool. Using a between-subjects design, a group of ten professional and postgraduate trainee translators revised a 265-word English translation – some did it in silence, while others heard the French source text being ‘spoken’ (synthesised) by a computer voice. The eye-tracking data we recorded relates to the effect which speech synthesis had on attention distribution and cognitive effort. Our analysis shows no significant change in the participants’ viewing behaviour and cognitive load in three of the four eye-tracking measures used – source text mean fixation duration was the only measurement which significantly decreased when source sound was present. These findings, combined with previously-published results indicating a positive effect on the quality of the revised product, recommend the use of source text speech synthesis during revision tasks.
A characterization of Erdős space factors
Creators: name: Lipham, David S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 54F45, 54H05, 30D05

description: We prove that an almost zero-dimensional space $X$ is an Erdős space factor if and only if $X$ has a Sierpiński stratification of C-sets. We apply this characterization to spaces which are countable unions of C-set Erdős space factors. We show that the Erdős space $\mathfrak E$ is unstable by giving strongly $σ$-complete and nowhere $σ$-complete examples of almost zero-dimensional $F_{σδ}$-spaces which are not Erdős space factors. This answers a question by Dijkstra and van Mill.
description: 8 pages
Teachers in the News
Creators: name: , Charles
name: Foundation, The Hewlett
Publisher: name: Roper Center for Public Opinion Research
Year: 2024

description: Type of school primarily employed by (1); feel valued by the community (2); respondent would want their child to take up teaching as a career (1); importance of teachers (4); teacher salaries (3); female vs. male teachers (1); accountability for academic achievement (2); effects of poverty and behavioral problems on learning (3); teacher walkouts/strikes (3); top ways to improve K-12 public schools (2); teacher training and development (2); K-12 education in the news (17); teachers’ role in extracurricular activities and community (2); diversity in teaching (2); gun violence (2); effect of news media in perceptions of public school teachers (4); effect of coronavirus (COVID-19) on community perception of teachers (1); in-person/online classes during the COVID-19 pandemic (8); importance of teacher/student resources due to effects of COVID-19 pandemic (5); suspension of standardized tests due to COVID-19 pandemic (1); main source of news (1); respondent’s child(ren)’s schooling (3); currently a member of a teacher’s union (1); currently teaching online/in-person/mixed (1); grade currently teaching (1); years of teaching (1).
Dark Holograms and Gravitational Waves
Creators: name: Bigazzi, Francesco
name: Caddeo, Alessio
name: Cotrone, Aldo L.
name: Paredes, Angel
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Spectra of stochastic gravitational waves (GW) generated in cosmological first-order phase transitions are computed within strongly correlated theories with a dual holographic description. The theories are mostly used as models of dark sectors. In particular, we consider the so-called Witten-Sakai-Sugimoto model, a $SU(N)$ gauge theory coupled to different matter fields in both the fundamental and the adjoint representations. The model has a well-known top-down holographic dual description which allows us to perform reliable calculations in the strongly coupled regime. We consider the GW spectra from bubble collisions and sound waves arising from two different kinds of first-order phase transitions: a confinement/deconfinement one and a chiral symmetry breaking/restoration one. Depending on the model parameters, we find that the GW spectra may fall within the sensibility region of ground-based and space-based interferometers, as well as of Pulsar Timing Arrays. In the latter case, the signal could be compatible with the recent potential observation by NANOGrav. When the two phase transitions happen at different critical temperatures, characteristic spectra with double frequency peaks show up. Moreover, in this case we explicitly show how to correct the redshift factors appearing in the formulae for the GW power spectra to account for the fact that adiabatic expansion from the first transition to the present times cannot be assumed anymore.
description: Latex, 49 pages, 5 figures. v3: comments and references added
Die ekklesiologische Dimension sozialen Handelns
Creators: name: Daniel, Patriarhul Bisericii Ortodoxe Române
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 36 Nr. 2 (1987): Ökumenische Rundschau, Band 36, Heft 2
A comparative study of disc-planet interaction
Creators: name: de Val-Borro, M.
name: Edgar, R. G.
name: Artymowicz, P.
name: Ciecielag, P.
name: Cresswell, P.
name: D'Angelo, G.
name: Delgado-Donate, E. J.
name: Dirksen, G.
name: Fromang, S.
name: Gawryszczak, A.
name: Klahr, H.
name: Kley, W.
name: Lyra, W.
name: Masset, F.
name: Mellema, G.
name: Nelson, R. P.
name: Paardekooper, S. -J.
name: Peplinski, A.
name: Pierens, A.
name: Plewa, T.
name: Rice, K.
name: Schaefer, C.
name: Speith, R.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We perform numerical simulations of a disc-planet system using various grid-based and smoothed particle hydrodynamics (SPH) codes. The tests are run for a simple setup where Jupiter and Neptune mass planets on a circular orbit open a gap in a protoplanetary disc during a few hundred orbital periods. We compare the surface density contours, potential vorticity and smoothed radial profiles at several times. The disc mass and gravitational torque time evolution are analyzed with high temporal resolution. There is overall consistency between the codes. The density profiles agree within about 5% for the Eulerian simulations while the SPH results predict the correct shape of the gap although have less resolution in the low density regions and weaker planetary wakes. The disc masses after 200 orbital periods agree within 10%. The spread is larger in the tidal torques acting on the planet which agree within a factor 2 at the end of the simulation. In the Neptune case the dispersion in the torques is greater than for Jupiter, possibly owing to the contribution from the not completely cleared region close to the planet.
description: 32 pages, accepted for publication in MNRAS
Digital control loop for power converter systems
Creators: name: Duan, Yingran
Publisher: name: University of British Columbia
Year: 2009

description: With the advance of microprocessors/DSP, digital control is increasingly used in various applications of switchmode power converter systems because of its advantages over analog control. The disadvantages, however, include limited signal resolution due to finite word length of processor and A/D converter; sampling time delay and limited computation power and control loop bandwidth. Adequate performance is difficult to realize by the current digital controllers with cost consideration. In order to achieve a good system performance, digital controller design becomes an important issue. Many digital design methods are available right now, and using different design methods results in different digital control performance. Choosing a better digital control design approach or method to improve the performance of the digital controlled power converter system is currently under consideration in this thesis. Digital controllers with different design methods are designed for a power inverter. A thorough and systematic evaluation on these methods is provided by comparing the performance of the digital controlled system. The performance of each approach is compared in terms of both the bandwidth and the phase margin of the control loop as well as the performance at nonlinear load condition. Furthermore, the difference of these design approaches under different sampling rates is studied. The best digital design approach for power converter system applications is identified based on the comparison results. Such a result is useful since, the control sampling rate can be several times lower than the converter switching frequency due to the limited computation power of low-cost processors. A modified direct digital design method is proposed for practicing engineers who are mostly familiar with the continuous domain design approach. Some other issues related to digital control design for switchmode power converter system, including digital controller implementation and delay modelling are discussed as well.
The Higgs Sector and electron electric dipole moment in next-to-minimal supersymmetry with explicit CP violation
Creators: name: Boz, Muge
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the explicit CP violation of the Higgs sector in the next--to--minimal supersymmetric model with a gauge singlet Higgs field. Our numerical predictions show that electric dipole moment of electron lies around the present experimental upper limits. The mass of the lightest Higgs boson is quite sensitive to the CP violating phases in the theory. It is observed that as the vacuum expectation value of the singlet gets higher values, CP violation increases.
description: 20 pages, 16 figures
Feasibility constraints for political theories
Creators: name: Lawford-Smith, Holly
Publisher: name: The Australian National University
Year: 2010
Subjects: subject: JA76.L39 2010
subject: Political sociology
subject: Political science Philosophy

description: This is a thesis about feasibility constraints for normative political theories. Political theorists talk about theories being 'utopian', 'ideal', 'abstracted', and more obviously pejoratively, 'impractical' and 'unrealistic'. They also talk about theories being 'non-ideal', 'practical' and 'realistic'. What exactly is at the heart of these charges? In the first chapter of this thesis, I discuss the emerging debate over ideal and non-ideal theory. I argue that the criticism of ideal theory is largely unjustified, but that it is important that theories intended to be action-guiding take feasibility constraints seriously. The main question I try to answer in the thesis is what exactly feasibility constraints for normative political theories consist in. I argue that there is a binary sense of feasibility (feasible, or not) that follows traditional discussions over the principle that 'ought implies can'. That is a useful sense, but it does not do all the work that feasibility constraints needs to do. Thus I defend a second, comparative sense of feasibility (more or less feasible). Most of the work of the thesis goes into elaborating these two senses of feasibility, establishing the kinds of facts that count against the feasibility of a proposal, and discussing the way feasibility assessments should be made in practice. In later chapters I consider whether those two senses of feasibility apply as well to collective agents as they do to individual agents. I also ask whether our cognitive and epistemic limitations affect our ability to make reliable feasibility assessments.
On the Ground State of Two Flavor Color Superconductor
Creators: name: He, Lianyi
name: Jin, Meng
name: Zhuang, Pengfei
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The diquark condensate susceptibility in neutral color superconductor at moderate baryon density is calculated in the frame of two flavor Nambu-Jona-Lasinio model. When color chemical potential is introduced to keep charge neutrality, the diquark condensate susceptibility is negative in the directions without diquark condensate in color space, which may be regarded as a signal of the instability of the conventional ground state with only diquark condensate in the color 3 direction.
description: 4 pages, 2 figures
Imaging redshifts of BL Lac objects
Creators: name: Sbarufatti, B.
name: Treves, A.
name: Falomo, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The HST snapshot imaging survey of 110 BL Lac objects (Urry et al. 2000) has clearly shown that the host galaxies are massive and luminous ellipticals. The dispersion of the absolute magnitudes is sufficiently small, so that the measurement of the galaxy brightness becomes a valuable way of estimating their distance. This is illustrated constructing the Hubble diagram of the 64 resolved objects with known redshift. By means of this relationship we estimate the redshift of five resolved BL Lacs of the survey, which have no spectroscopic z. The adopted method allows us also to evaluate lower limits to the redshift for 13 objects of still unknown z, based on the lower limit on the host galaxy magnitude. This technique can be applied to any BL Lac object for which an estimate or a lower limit of the host galaxy magnitude is available. Finally we show that the distribution of the nuclear luminosity of all the BL Lacs of the survey, indicates that the objects for which both the redshift and the host galaxy are undetected, are among the most luminous, and possibly the most highly beamed.
description: 19 pages, 6 figures, accepted for publication on ApJ
Scalar-Connection Gravity and Spontaneous Scalarization
Creators: name: Azri, Hemza
name: Nasri, Salah
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Scalar-tensor theories of gravity are known to allow significant deviations from general relativity through various astrophysical phenomena. In this paper, we formulate a scalar-connection gravity by setting up scalars and connection configurations instead of metric. Since the matter sector is not straightforward to conceive without a metric, we invoke cosmological fluids in terms of their one-form velocity in the volume element of the invariant action. This leads to gravitational equations with a perfect fluid source and a generated metric, which are expected to produce reasonable deviations from general relativity in the strong-field regime. As a relevant application, we study spontaneous scalarization mechanism and show that the Damour-Esposito-Farèse model arises in a certain class of scalar-connection gravity. Furthermore, we investigate a general study in which the present framework becomes distinguishable from the famed scalar-tensor theories.
STUDY OF THE VALENCE TAUTOMER COMPLEX [CO(SQ)(CAT)(3-TPP)2] FOR APPLICATIONS IN MOLECULAR SPINTRONICS
Creators: name: Phillips, Jared Paul
Publisher: name: Purdue University Graduate School
Year: 2024
Subjects: classificationCode: 510499
subject: Condensed matter physics not elsewhere classified
classificationCode: 401802
subject: Molecular and organic electronics

description: Molecular materials exhibiting bistability between two states are intriguing candidates for next generation electronic devices. Two similar classes of materials, known as spin crossover (SCO) and valence tautomers (VT) respectively, are of particular interest due to their multifunctional properties, which are controllable via several external parameters, such as temperature, light irradiation, pressure, magnetic field, and electric field. In recent years, considerable research has been dedicated to better understanding the underlying principles that govern the behavior of these materials, so that their implementation into nano-based devices might be achieved.In this report, a systematic study of the valence tautomer molecule [Co(sq)(cat)(3-tpp)2] is presented. In the first chapter, the phenomenon of valence tautomerism (VT) occurring in coordination compounds is introduced and described from the perspective of Crystal Field Theory (CFT). Further, the molecular structure and physical properties of the [Co(sq)(cat)(3-tpp)2] molecule are explored. The properties of the ferroelectric material Polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP), and the 2-D Mxene Ti3C2 are also discussed.The next section details equipment development and experimental methods. Thin films of VT molecules were prepared from solution via a drop-casting approach. For thin film analysis, we have developed a custom made, fully automated Vibrating Sample Magnetometer (VSM) with a sensitivity on the order of 1 × 10-5 emu, as well as a fully automated, variable temperature, under vacuum electron transport stage, and a magneto-optic Kerr effect apparatus (MOKE). Additional experimental methods used to characterize the VT thin films include X-ray Absorption Spectroscopy (XAS), UV-visible Spectrometry (UV-Vis) and Differential Scanning Calorimetry. Experimental results obtained from these techniques are discussed and analyzed in the third section. PVDF-HFP polarization dependent isothermal spin state switching of [Co(sq)(cat)(3-tpp)2] is also discussed as well as the effects of doping [Co(sq)(cat)(3-tpp)2] with Ti3C2, followed by a conclusion and an outline of future work.
CP violation in a light Higgs boson decay from tau-spin correlations at a linear collider
Creators: name: Rouge, Andre
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present a new method to measure the transverse spin correlation in the $H\toτ^+τ^-$ decay. The method has been devised to be insensitive to the beamstrahlung which affects the definition of the beam energy at a linear collider. In the case of two $τ\toπ^ν$ decays, using the anticipated detector performance of the TESLA project, we get a promising estimation of the error expected on the measurement of a CP violating phase.
description: 10 pages, 4 figures, version published in Phys. Lett. B
A practical quantum encryption protocol with varying encryption configurations
Creators: name: Li, Junxu
name: Hu, Zixuan
name: Kais, Sabre
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum communication is an important application that derives from the burgeoning field of quantum information and quantum computation. Focusing on secure communication, quantum cryptography has two major directions of development, namely quantum key distribution and quantum encryption. In this work we propose a quantum encryption protocol that utilizes a quantum algorithm to create blocks of ciphertexts based on quantum states. The main feature of our quantum encryption protocol is that the encryption configuration of each block is determined by the previous blocks, such that additional security is provided. We then demonstrate our method by an example model encrypting the English alphabet, with numerical simulation results showing the large error rate of a mock attack by a potential adversary. With possible future improvements in mind, our quantum encryption protocol is a capable addition to the toolbox of quantum cryptography.
description: 11pages, 6 figures (supplementary materials excluded)
Molecular dynamics simulation of multivalent ion mediated DNA attraction
Creators: name: Dai, Liang
name: Mu, Yuguang
name: Nordenskiold, Lars
name: van der Maarel, Johan R. C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: All atom molecular dynamics simulations with explicit water were done to study the interaction between two parallel double-stranded DNA molecules in the presence of the multivalent counterions putrescine (2+), spermidine (3+), spermine (4+) and cobalt hexamine (3+). The inter-DNA interaction potential is obtained with the umbrella sampling technique. The attractive force is rationalized in terms of the formation of ion bridges, i.e. multivalent ions which are simultaneously bound to the two opposing DNA molecules. The lifetime of the ion bridges is short on the order of a few nanoseconds.
description: 4 pages, 5 figures, to be published in Physical Review Letters
Elicitation on sluicing and wh-questions
Creators: name: Rudolph, Johnny (Soni)
name: Drummond, Emily
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: nkr

description: Elicitation on tests for pseudosluicing (adjunct wh-questions, else-modification), followed by strong and weak crossover, wh-questions, in-situ wh-questions, distribution of "go" vs. "se"/"ni", and pragmatic enrichment of "go"-questions.