cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Anthimus, Vinidarius and the Issue of Romanitas: Cooking and Identity in the Sixth-Century West
Creators: name: McCoy, Shamus
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2021
Subjects: Food
Late Antiquity
Anthimus
Vinidarius
Roman Identity
Cooking

description: As Theoderic established himself as ruler of the Italian peninsula in 493, he would usher in a period of great renewal of Roman culture within his kingdom, a theme which would emerge across western Europe as new Germanic leaders came to rule Roman populations. Within this wave of cultural renewal there emerged several works paying homage to Roman culture and prestige. Amongst these publications came two brief cookbooks from the authors Anthimus and Vinidarius. This raises the question: why were these authors producing such works of culinary content, and were they related to issues concerning the renewal of Roman culture in western Europe? This thesis aims to answer the above questions through the evaluation of Anthimus and Vinidarius’ participation in Roman cultural renewal. To investigate this issue, my study first examines the recognition and renewal of romanitas in western Europe and the Mediterranean, and through which media it took place. This is followed by an examination of cuisine to determine a model for Roman dietary preferences, against which the works of Anthimus and Vinidarius may be contrasted. Finally, in an examination of Anthimus and Vinidarius, the study seeks to establish connections between the two individuals and Ostrogothic Italy, as well as connections between their culinary preferences and those supported by the model established in Chapter 2. On the basis of the investigations of this thesis, conclusions may be drawn about Anthimus and Vinidarius and efforts to renew Roman culture in fifth and sixth-century western Europe. The geographic connections of the two authors, along with their relatively high social status, suggest a connection to Theoderic and his court in Italy. The culinary preparations described in their texts also represents a strong connection with earlier elite Roman cooking. This thesis therefore concludes that the authors Anthimus and Vinidarius used food as a medium for cultural promotion, and in doing so, participated in the ongoing revival of interest in Roman cultural identity.
Additional file 1 of Prenatal exposure to polybrominated diphenyl ethers and BMI Z-scores from 5 to 14 years
Creators: name: Kupsco, Allison
name: Sjödin, Andreas
name: Cowell, Whitney
name: Jones, Richard
name: Oberfield, Sharon
name: Wang, Shuang
name: Hoepner, Lori A.
name: Gallagher, Dympna
name: Baccarelli, Andrea A.
name: Goldsmith, Jeff
name: Rundle, Andrew G.
name: Herbstman, Julie B.
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Neuroscience
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1: Supplemental Fig. S1. Mean cord PBDE Pearson’s correlations across 10 multiply imputed datasets. The gradient indicates the strength of the correlation. Supplemental Fig. S2. Predicted BMI Z-score growth trajectories from age 5-14 years for children with high (blue, >80th percentile) and low (red) PBDEs. Supplemental Table S1. Summary of follow-up information for the 289 individuals included in the present analysis and the full population of 541 individuals with a BMI measurement between ages 5 and 14. Supplemental Table S2. Sensitivity analyses for associations between cord plasma PBDE measures and overall child BMI Z-scores from age 5–14 years. Supplemental Table S3. Associations between continuous cord plasma PBDE measures and overall child BMI Z-scores from age 5–14 years. Supplemental Table S4. Sensitivity analyses for associations between cord plasma PBDE dichotomized at the 65th and 90th percentiles and overall child BMI Z-scores from age 5–14 years. Supplemental Table S5. Sensitivity analyses for associations between cord plasma PBDEs and trajectories of child BMI from 5 to 14 years. Supplemental Table S6. Sensitivity analyses for associations between cord plasma PBDEs dichotomized at the 65th and 90th percentiles and trajectories of child BMI z-score from 5 to 14 years. Supplemental Table S7. Sensitivity analyses for associations between cord plasma PBDEs and trajectories of child BMI z-score from 5 to 14 years.
Tyrannosauridae Osborn 1906
Creators: name: McIntosh, John S.
Publisher: name: Zenodo
Year: 1981
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Reptilia
Dinosauria
Tyrannosauridae

description: Tyrannosauridae, indeterminate 30749 Thirteen teeth of varying size belonging to more than one individual from the Lance Formation, on Sheep Mountain, Carter County, Montana. The smaller teeth may belong to a different genus. 12102 Left femur. Same data as above. Collected by Kay, 1937 9401 Right lachrymal bone from the Judith River beds on Willow Creek, three miles east of the Nolan Archer Ranch, Fergus County, Montana. It was originally catalogued CM 963 but altered because this number had also been assigned to a specimen of Deinosuchus. Collected by Hatcher, 1903
description: Published as part of John S. McIntosh, 1981, Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of Carnegie Museum of Natural History, pp. 1-67 in Bulletin of Carnegie Museum of Natural History 18 on page 9, DOI: 10.5281/zenodo.3943059
Cartel Size and Collusive Stability with Non-Capitalistic Players
Creators: name: Delbono, Flavio
name: Lambertini, Luca
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2014
Subjects: SECS-P/01 Economia politica

description: A well established belief both in the game-theoretic IO and in policy debates is that market concentration facilitates collusion. We show that this piece of conventional wisdom relies upon the assumption of profit-seeking behaviour, for it may be reversed when firms pursue other plausible goals. To illustrate our intuition, we investigate the incentives to tacit collusion in an industry formed by Labor-Managed (LM) enterprises. We characterize the perfect equilibrium of a supergame in which LM firms play an infinitely repeated Cournot game. We show that the critical threshold of the discount factor above which collusion is stable (i) is lower in the LM industry than in the capitalistic one; (ii) monotonically decreases with the number of firms.
Compsognathus longipes Wagner 1861
Creators: name: McIntosh, John S.
Publisher: name: Zenodo
Year: 1981
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Reptilia
Dinosauria
Compsognathidae
Compsognathus
Compsognathus longipes

description: Family Compsognathidae Genus Compsognathus Wagner, 1861 Compsognathus longipes Wagner, 1861 53 Cast of an essentially complete skull and skeleton from the Kimeridge Clay (Solnhofen Shale) of Solnhofen, Bavaria. The original is the type specimen and is in the Bavarian Museum in Munich. It was described and figured by Wagner—Abh. Bayer Akad. Wiss. (1861), 9:94-102, Pl. 3. Original collected by Oberndorfer
description: Published as part of John S. McIntosh, 1981, Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of Carnegie Museum of Natural History, pp. 1-67 in Bulletin of Carnegie Museum of Natural History 18 on page 9, DOI: 10.5281/zenodo.3943059
description: {"references": ["Wagner, J. A. 1861. Neue Beitrage zur Kenntniss der urweltlichen Fauna des lithographischen Schiefers. 2. Schildkroten und Saurier. Abh. Bayer. Akad. Wiss., 9: 65 - 124."]}
Local delta invariants of weak del Pezzo surfaces with the anti-canonical degree $\geq 5$
Creators: name: Akaike, Hiroto
Publisher: name: arXiv
Year: 2023
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: Primary 14J50, Secondary 14J17, 14J26

description: The delta invariant interprets the criterion for the K-(poly)stability of log terminal Fano varieties. In this paper, we determine the whole local delta invariant for all weak del Pezzo surfaces with the anti-canonical degree $\geq 5$.
description: 75 pages
Abelian extensions via prequantization
Creators: name: Vizman, Cornelia
Publisher: name: arXiv
Year: 2009
Subjects: subject: Differential Geometry (math.DG)
subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 22E65, 58B20

description: We generalize the prequantization central extension of a group of diffeomorphisms preserving a closed 2-form ω(ω-invariant diffeomorphisms) to an abelian extension of a group of diffeomorphisms preserving a closed vector valued 2-form ω, up to a linear isomorphism (ω-equivariant diffeomorphisms). Every abelian extension of a simply connected Lie group can be obtained as the pull-back of such a prequantization abelian extension.
description: 31 pages, replaced with accepted version
Resiliency: A Systematic Review of Adult Characterological Measures of Resilience and Reliability and Validity Generalization Studies of the Brief Resilience Scale
Creators: name: Allan, Teresa A.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2021
Subjects: Resilience
Hardiness
Ego-Strength
Mental Toughness
Grit
Brief Resilience Scale
BRS

description: This dissertation consists of two projects. Project 1 is comprised of two systematic review studies in which self-report measures of adult characterological resilience were identified and summarized. In Study 1, 51 personality-based instruments across five personality-based resilience constructs (ego-strength, grit, hardiness, mental toughness, and resilience) were identified. Information for each measure inclusive of measure title, construct, item count, factors, response scale and items, scoring method, and score range was summarized. In Study 2, 1,322 articles were identified that described 1,193 studies and 1,351 participant samples who completed between one and four of these resilience measures. Measure use frequency and contextual use information related to study and sample attributes are summarized. Project 2 is a series of meta-analyses that were conducted to investigate the psychometric properties of scores on the Brief Resilience Scale (BRS) reported in 149 studies of adult participants. Reliability generalization methods are used to summarize 86 observations of internal consistency (mean Cronbach’s α = .86) and validity generalization methods are used to summarize eight observations of convergent validity (Mr = .61). Concurrent validity is also investigated via validity generalization methods for the most frequently observed mental health correlates of BRS scores. For each set of mental health measures, an estimated summary effect was calculated (anxiety, Mr = -.47; depression, Mr = -.49; optimism, Mr = .44; social support, Mr = .24; and stress, Mr = -.53). Of the significant moderators conducted for concurrent validity estimates, the largest was sample category (accounting for 100% of the variance in the observed correlations between the BRS and measures of social support). Geographic location and participant age, accounted for 55%, and 24%, of the variation in the observed correlations between the BRS and significantly moderated the relation between the BRS and perceived stress. Discussion for both projects include how the obtained relate to resilience theory, and the potential broader implications of these findings. Also based upon these reviews and meta-analyses, the challenges of resilience measure use are discussed and observations/recommendations are provided.
Rigidity and non-existence results for collapsed translators
Creators: name: Impera, Debora
name: Møller, Niels Martin
name: Rimoldi, Michele
Publisher: name: arXiv
Year: 2023
Subjects: subject: Differential Geometry (math.DG)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 53A10, 53E10 (49Q05, 53C42)

description: We prove a rigidity result for mean curvature self-translating solitons, characterizing the grim reaper cylinder as the only finite entropy self-translating 2-surface in $\mathbb{R}^3$ of width $π$ and bounded from below. The proof makes use of parabolicity in a weighted setting applied to a suitable universally $L$-superharmonic function defined on translaters in such slabs.
description: To appear in Int. Math. Res. Not. Final, accepted version, updated to reflect referee remarks
An Optimization model of British Columbia’s Georgia Strait chinook and coho salmon fishery
Creators: name: Staley, Michael James
Publisher: name: University of British Columbia
Year: 2010

description: A computational procedure for optimization of large multidimensional models is presented. The procedure is applied to a model of the Georgia Strait sport and commercial fisheries of Chinook C Oncorhynchus tshawytscha ) and coho ( O. kisutch ) salmon. Optimal seasons for these fisheries are calculated and compared to current regulations. Differences, in form and performance, between the optimal seasons and present seasons are minimal and insignifigant. However, in order to match present age structure, population levels and harvests a value of near zero must be placed on fish left in the water at the end of the season. The computational requirements of the optimization are proportional to those of the model. In the case study in this thesis the optimization required approximately eight to ten times the computer time of the model.
First fragmentation function measurements from full jet reconstruction in heavy-ion collisions at $\sqrt{s_{_{\rm NN}}}=200$ GeV by STAR
Creators: name: Putschke, Joern
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Measurements of inclusive hadron suppression and di-hadron azimuthal correlations in ultra-relativistic nuclear collisions at RHIC have provided important insights into jet quenching in hot QCD matter, but are limited in their sensitivity due to well-known biases. Full jet reconstruction in heavy-ion collisions would conceptually provide a direct measurement of the energy of the scattered parton before energy loss, alleviating such biases and allowing a measurement of the energy loss probability distribution in a model-independent way from hard probes. In these proceedings we utilize recent progress in the reconstruction of jets in the heavy ion environment and present the first measurement of the fragmentation function from fully reconstructed jets in heavy ion collisions. The fragmentation function measured in central Au+Au collisions at $\sqrt{s_{_{\rm NN}}}=200$ GeV will be presented and discussed with respect to p+p reference measurements.
description: Prepared for 3rd International Conference on Hard and Electro- Magnetic Probes of High-Energy Nuclear Collisions (Hard Probes 2008), submitted to EPJ C
Teichmüller curves in hyperelliptic components of meromorphic strata
Creators: name: Möller, Martin
name: Mullane, Scott
Publisher: name: arXiv
Year: 2023
Subjects: subject: Algebraic Geometry (math.AG)
subject: Dynamical Systems (math.DS)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: We provide a complete classification of Teichmüller curves occurring in hyperelliptic components of the meromorphic strata of differentials. Using a non-existence criterion based on how Teichmüller curves intersect the boundary of the moduli space we derive a contradiction to the algebraicity of any candidate outside of Hurwitz covers of strata with projective dimension one and Hurwitz covers of zero residue loci in strata with projective dimension two.
description: Includes the appendix: An $\mathbb{R}$-linear non-algebraic manifold by Benjamin Bakker and Scott Mullane. 22 pages, 8 figures
Additional file 1 of MSCs-engineered biomimetic PMAA nanomedicines for multiple bioimaging-guided and photothermal-enhanced radiotherapy of NSCLC
Creators: name: Yin, Yipengchen
name: Li, Yongjing
name: Wang, Sheng
name: Dong, Ziliang
name: Liang, Chao
name: Sun, Jiaxin
name: Wang, Changchun
name: Chai, Rong
name: Fei, Weiwei
name: Zhang, Jianping
name: Qi, Ming
name: Feng, Liangzhu
name: Zhang, Qin
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Additional file 1: Figure S1. Structural formula of cypate. Figure S2. Hydrodynamic diameters of PMAA-Fe and Cyp-PMAA-Fe@MSCs and zeta potenials of PMAA-Fe, MSCs and Cyp-PMAA-Fe@MSCs. Figure S3. UV–vis-NIR spectra and typical photos of cypate with various concentrations. Figure S4. Absorbance of cypate with various concentrations at 785 nm. Figure S5. IR images of Cyp-PMAA-Fe@MSCs at 808 nm laser with various powers. Figure S6. Heating and cooling curve of Cyp-PMAA-Fe@MSCs. a The temperature change of Cyp-PMAA-Fe@MSCs response to 808 nm laser on and off in period of 1800s. b Linear regression of time versus –lnθ obtained from the cooling period of NIR laser off. Figure S7. H&E staining of tissue slices from several organs in various groups.
VTSCat - The VERITAS Catalog of Gamma Ray Observations
Creators: name: Patel, Sameer
name: Maier, Gernot
name: Kaaret, Philip
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present a catalog of results of gamma-ray observations made by VERITAS, published from 2008 to 2020. VERITAS is a ground based imaging atmospheric Cherenkov telescope observatory located at the Fred Lawrence Whipple Observatory (FLWO) in southern Arizona, sensitive to gamma-ray photons with energies in the range of ~100 GeV - 30 TeV. Its observation targets include galactic sources such as binary star systems, pulsar wind nebulae, and supernova remnants, extragalactic sources like active galactic nuclei, star forming galaxies, and gamma-ray bursts, and some unidentified objects. The catalog includes in digital form all of the high-level science results published in 112 papers using VERITAS data and currently contains data on 57 sources. The catalog has been made accessible via GitHub and at NASA's HEASARC.
description: 8 pages; https://pos.sissa.it/395/812/
Thin shell wormhole due to dyadosphere of a charged black hole
Creators: name: Rahaman, F.
name: Kalam, M.
name: Rahman, K A
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: To explain Gamma Ray Bursts, Ruffini argued that the event horizon of a charged black hole is surrounded by a special region called, the Dyadosphere where electric field exceeds the critical value for $e^+$ $e^-$ pair production. In the present work, we construct a thin shell wormhole by performing a thought surgery between two dadospheres. Several physical properties of this thin shell wormhole have been analyzed.
description: 10 pages, 2 figures. Accepted in Mod.Phys.Lett.A
A performance comparison using principal component analysis and differential evolution on fuzzy c-means and k-harmonic means
Creators: name: Siriporn Supratid And Phichete Julrod
Publisher: name: Rangsit University
Year: 2011
Subjects: principal component analysis, fuzzy c-means, k-harmonic means, differential evolution.

description: 2, 1, Rangsit Journal of Arts and Sciences
APPLS: Evaluating Evaluation Metrics for Plain Language Summarization
Creators: name: Guo, Yue
name: August, Tal
name: Leroy, Gondy
name: Cohen, Trevor
name: Wang, Lucy Lu
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: While there has been significant development of models for Plain Language Summarization (PLS), evaluation remains a challenge. PLS lacks a dedicated assessment metric, and the suitability of text generation evaluation metrics is unclear due to the unique transformations involved (e.g., adding background explanations, removing jargon). To address these questions, our study introduces a granular meta-evaluation testbed, APPLS, designed to evaluate metrics for PLS. We identify four PLS criteria from previous work -- informativeness, simplification, coherence, and faithfulness -- and define a set of perturbations corresponding to these criteria that sensitive metrics should be able to detect. We apply these perturbations to extractive hypotheses for two PLS datasets to form our testbed. Using APPLS, we assess performance of 14 metrics, including automated scores, lexical features, and LLM prompt-based evaluations. Our analysis reveals that while some current metrics show sensitivity to specific criteria, no single method captures all four criteria simultaneously. We therefore recommend a suite of automated metrics be used to capture PLS quality along all relevant criteria. This work contributes the first meta-evaluation testbed for PLS and a comprehensive evaluation of existing metrics. APPLS and our evaluation code is available at https://github.com/LinguisticAnomalies/APPLS.
description: This paper has been accepted by 2024 EMNLP main. Please cite the EMNLP version
Padé approximants to $B\toπ\ellν_{\ell}$ and $B_{s}\to K\ellν_{\ell}$ and determination of $|V_{ub}|$
Creators: name: Gonzàlez-Solís, Sergi
name: Masjuan, Pere
name: Rojas, Camilo
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: In light of the first observation of the semileptonic decay $B^{0}_{s}\to K^{-}μ^{+}ν_μ$ by the LHCb collaboration, we revisit the determination of the CKM parameter $|V_{ub}|$ from exclusive semileptonic $B$-meson decays. A controlled theoretical input on the Standard Model $B\toπ$ and $B_{s}\to K$ vector and scalar form factors from Lattice QCD in the large $q^{2}$ region, in combination with experimental measurements of the differential $B\toπ\ellν_{\ell}$ and $B^{0}_{s}\to K^{-}μ^{+}ν_μ$ branching ratio distributions, has allowed us determine $|V_{ub}|=3.86(11)\times10^{-3}$ and $|V_{ub}|=3.58(9)\times10^{-3}$ from the analyses of the individual decay channels, respectively, and $|V_{ub}|=3.68(5)\times10^{-3}$ from a simultaneous analysis of both decays, which is only a $1.4\%$ error and differs by $1.8σ$ with respect to the value from inclusive determinations $|V_{ub}|=4.25(12)^{+15}_{-14}(23)\times10^{-3}$. Our results are based on the use of Padé approximants to the participating form factors, highlight the importance of the decay $B_{s}\to Kμν_μ$ in complementing the traditional $B\toπ\ellν_{\ell}$ one in the exclusive determination of $|V_{ub}|$, and allow obtain, to the best of our knowledge, the first correlated results for the $B\toπ$ and $B_{s}\to K$ vector and scalar form factors. We hope that our study strengthens the case for precise measurements of the differential $B_{s}\to K\ellν_{\ell}$ decay rate with a finer resolution of the $q^{2}$ bins, as it would definitely allow achieving more conclusive results for $|V_{ub}|$.
description: 16 pages, 10 figures
Some Properties of the Spin-Polarized Attractive Hubbard Model
Creators: name: Kujawa, Agnieszka
name: Micnas, Roman
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The influence of a Zeeman magnetic field on the superconducting characteristics of the attractive Hubbard model was investigated. The ground state and temperature phase diagrams were obtained for a fixed number of particles. Two critical magnetic fields were found for the first order phase transition from the superconducting to the normal state for $n\neq 1$. For some range of parameters a reentrant transition was found and gapless superconductivity was obtained. The significance of the Hartree term was also analyzed.
description: Minor changes. 5 pages, 2 figures, presented at The European Conference Physics of Magnetism 2008, June 24-27, Poznan, Poland
Radio modelling of the brightest and most luminous non-thermal colliding-wind binary Apep
Creators: name: Bloot, S.
name: Callingham, J. R.
name: Marcote, B.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Apep is the brightest and most luminous non-thermal colliding-wind binary by over an order of magnitude. It has been suggested from infrared observations that one of the Wolf-Rayet stars in Apep is launching an anisotropic wind. Here we present radio observations of Apep from 0.2 to 20 GHz taken over 33 years. The spectrum reveals an extremely steep turnover in the flux density at low frequencies, where the flux density decreases by two orders of magnitude over only 325 MHz of bandwidth. This exponential decline is best described by free-free absorption, with a turnover frequency at 0.54 $\pm$ 0.01 GHz. Above the turnover, the spectrum is well described by a power-law and a high-frequency cut-off likely caused by inverse-Compton cooling. The lightcurve of Apep shows significant variation over the observing period, with Apep brightening by over 50 mJy in a span of 25 years at 1.4 GHz. Models that assume spherical winds do not replicate all of the structure evident in the radio lightcurve. We derived a model that allows one of the winds in the system to be anisotropic. This anisotropic model recovers most of the structure of the lightcurve and is a significantly better statistical fit to the data than the spherical wind model. We suggest such a result is independent support that one of the Wolf-Rayet stars in Apep is launching an anisotropic wind. If the anisotropic wind model is correct, we predict a ~25% decrease of the 1.4 GHz flux density of Apep over the next five years.
description: 14 pages, 6 figures, accepted for publication in MNRAS
Dualities and models in various dimensions
Creators: name: Moreno, Enrique F.
name: Schaposnik, Fidel A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Working within the path-integral framework we first establish a duality between the partion functions of two $U(1)$ gauge theories with a theta term in $d=4$ space-time dimensions. Then, after a dimensional reduction to $d=3$ dimensions we arrive to the partition function of a $U(1)$ gauge theory coupled to a scalar field with an action that exhibits a Dirac monopole solution. A subsequent reduction to $d=2$ dimensions leads to the partition function of a theory in which the gauge field decouples from two scalars which have non-trivial vortex-like solutions. Finally this $d=2$ partition function can be related to the bosonized version of the two-dimensional QED$_2$ (Schwinger) model.
description: 10 pages
Developers Who Vlog: Dismantling Stereotypes through Community and Identity
Creators: name: Chattopadhyay, Souti
name: Ford, Denae
name: Zimmermann, Thomas
Publisher: name: arXiv
Year: 2021
Subjects: subject: Software Engineering (cs.SE)
subject: Computers and Society (cs.CY)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Developers are more than "nerds behind computers all day", they lead a normal life, and not all take the traditional path to learn programming. However, the public still sees software development as a profession for "math wizards". To learn more about this special type of knowledge worker from their first-person perspective, we conducted three studies to learn how developers describe a day in their life through vlogs on YouTube and how these vlogs were received by the broader community. We first interviewed 16 developers who vlogged to identify their motivations for creating this content and their intention behind what they chose to portray. Second, we analyzed 130 vlogs (video blogs) to understand the range of the content conveyed through videos. Third, we analyzed 1176 comments from the 130 vlogs to understand the impact the vlogs have on the audience. We found that developers were motivated to promote and build a diverse community, by sharing different aspects of life that define their identity, and by creating awareness about learning and career opportunities in computing. They used vlogs to share a variety of how software developers work and live -- showcasing often unseen experiences, including intimate moments from their personal life. From our comment analysis, we found that the vlogs were valuable to the audience to find information and seek advice. Commenters sought opportunities to connect with others over shared triumphs and trials they faced that were also shown in the vlogs. As a central theme, we found that developers use vlogs to challenge the misconceptions and stereotypes around their identity, work-life, and well-being. These social stigmas are obstacles to an inclusive and accepting community and can deter people from choosing software development as a career. We also discuss the implications of using vlogs to support developers, researchers, and beyond.
description: 33 pages, 2 tables, 3 figures
The twin paradox and Mach's principle
Creators: name: Lichtenegger, Herbert I. M.
name: Iorio, Lorenzo
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: The problem of absolute motion in the context of the twin paradox is discussed. It is shown that the various versions of the clock paradox feature some aspects which Mach might have been appreciated. However, the ultimate cause of the behavior of the clocks must be attributed to the autonomous status of spacetime, thereby proving the relational program advocated by Mach as impracticable.
description: Latex2e, 11 pages, 6 figures, 33 references, no tables. Accepted for publication in The European Physical Journal PLUS (EPJ PLUS)
A Logarithmic Uncertainty Principle for Functions with Radial Symmetry
Creators: name: Bellazzini, Jacopo
name: Nesi, Matteo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Functional Analysis (math.FA)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: In this note, we prove a new uncertainty principle for functions with radial symmetry by differentiating a radial version of the Stein-Weiss inequality. The difficulty is to prove the differentiability in the limit of the best constant that, unlike the general case, it is not known.
description: 10 pages
The Infrared Imaging Spectrograph (IRIS) for TMT: final software design update
Creators: name: Chapin, Edward L.
name: Dunn, Jennifer
name: Nakamoto, Takashi
name: Sohn, Jiman Simon
name: Surya, Arun
name: Johnson, Chris
name: Wright, Shelley
name: Zonca, Andrea
name: Andersen, David
name: Chisholm, Eric
name: Gillies, Kim
name: Hayano, Yutaka
name: Herriot, Glen
name: Kerley, Dan
name: Larkin, James
name: Suzuki, Ryuji
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The InfraRed Imaging Spectrograph (IRIS) is the first-light client instrument for the Narrow Field Infrared Adaptive Optics System (NFIRAOS) on the Thirty Meter Telescope (TMT). Now approaching the end of its final design phase, we provide an overview of the instrument control software. The design is challenging since IRIS has interfaces with many systems at different stages of development (e.g., NFIRAOS, telescope control system, observatory sequencers), and will be built using the newly-developed TMT Common Software (CSW), which provides framework code (Java/Scala), and services (e.g., commands, telemetry). Lower-level software will be written in a combination of Java and C/C++ to communicate with hardware, such as motion controllers and infrared detectors. The overall architecture and philosophy of the IRIS software is presented, as well as a summary of the individual software components and their interactions with other systems.
description: 20 pages, 9 figures, SPIE (2020) 11452-28
On-sky speckle nulling through a single-mode fiber with the Keck Planet Imager and Characterizer
Creators: name: Xin, Yinzi
name: Xuan, Jerry W.
name: Mawet, Dimitri
name: Wang, Jason
name: Ruane, Garreth
name: Echeverri, Daniel
name: Jovanovic, Nemanja
name: Ó, Clarissa Do
name: Fitzgerald, Michael
name: Horstman, Katelyn
name: Hsu, Chih-Chun
name: Liberman, Joshua
name: López, Ronald A.
name: Phillips, Caprice L.
name: Ren, Bin B.
name: Ruffio, Jean-Baptiste
name: Sappey, Ben
Publisher: name: arXiv
Year: 2023
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The Keck Planet Imager and Characterizer (KPIC) is an instrument at the Keck II telescope that enables high-resolution spectroscopy of directly imaged exoplanets and substellar companions. KPIC uses single-mode fibers to couple the adaptive optics system to Keck's near-infrared spectrometer (NIRSPEC). However, KPIC's sensitivity at small separations is limited by the leakage of stellar light into the fiber. Speckle nulling uses a deformable mirror to destructively interfere starlight with itself, a technique typically used to reduce stellar signal on a focal-plane imaging detector. We present the first on-sky demonstration of speckle nulling through an optical fiber with KPIC, using NIRSPEC to collect exposures that measure speckle phase for quasi-real-time wavefront control while also serving as science data. We repeat iterations of measurement and correction, each using at least 5 exposures. We show a decrease in the on-sky leaked starlight by a factor of 2.6 to 2.8 in the targeted spectral order, at a spatial separation of 2.0 λ/D in K-band. This corresponds to an estimated factor of 2.6 to 2.8 decrease in the required exposure time to reach a given SNR, relative to conventional KPIC observations. The performance of speckle nulling is limited by instability in the speckle phase: when the loop is opened, the null-depth degrades by a factor of 2 on the timescale of a single phase measurement, which would limit the suppression that can be achieved. Future work includes exploring gradient-descent methods, which may be faster and thereby able to achieve deeper nulls. In the meantime, the speckle nulling algorithm demonstrated in this work can be used to decrease stellar leakage and improve the signal-to-noise of science observations.
description: 18 pages, 4 figures
Alternative conceptions of politics within the myth of Venice
Creators: name: Hancey, James Orlo
Publisher: name: University of British Columbia
Year: 2010

description: The reputation of the Venetian Republic as a model regime provided substance for a number of sixteenth century political writers. Moreover, the diffuse nature of this reputation, which has more recently been characterized as the 'myth of Venice', made it possible for these men to utilize the Venetian model for three wholly disparate conceptions of the nature of politics. Although the writers under investigation all employed the model of Venice to address the issues of 'polities', we find that, in fact, they portray three separate and alternative conceptions of politics--of the purpose of the civil society and of the nature of political action. Gasparo Contarini drew upon the reputation of Venice to portray a conception of politics as the lessons of history. The heritage of the Republic contained within it the traditions which not only provided the individual with a sense of civic identity, but also a number of patterns for political action which the founding fathers of Venice had wisely fashioned after those patterns infused by God into nature. The task of the political man, then, was to discover (or re-discover) those patterns and infuse them into positive law. Paolo Paruta and Paolo Sarpi portrayed politics as a moral endeavour, and drew upon the Venetian experience to bolster their notions of the sanctity of the individual and the importance of individual action. For these men the civil society was of value in that it was properly an institution for the ennoblement of men and an aide in their quest for perfection. Political man is portrayed here as a participant in the affairs of the civil society, and the value of that participation derives from the fact that it allows him to exercise his moral potential. Lastly, Franceso Patrizi and Ludovico Agostini drew upon the reputation of the Republic for the efficient provision of goods and service to her inhabitants and upon the bureaucratic nature of her government' to portray political man as an artificer who relies upon reason and expertise to construct and maintain a government whose task it is to co-ordinate the various functions of society. Government here is dedicated to ensuring the material goods of life, and its value is as a tool to achieve those goods.
Examples of Admissible Simplification of Mathematical Theories
Creators: name: Aleksenko, Alena
name: Lakshtanov, Evgeny
Publisher: name: arXiv
Year: 2009
Subjects: subject: History and Overview (math.HO)
subject: General Mathematics (math.GM)
subject: FOS: Mathematics

description: "Mathematicians, like physicists, are pushed by a strong fascination. Research in mathematics is hard, it is intellectually painful even if it is rewarding, and you would not do it without some strong urge." [D. Ruelle]. We shall give some examples from our experience, when we were able to simplify some serious mathematical models to make them understandable by children, preserving both aesthetic and intellectual value. The latter is in particularly measured by whether a given simplification allows setting a sufficient list of problems feasible for school students.
description: This article based on the poster presented at the XVI International Congress on Mathematical Physics: August 3-8, 2009; Prague, Czech Republic
Barriers and enablers to achieving clinical procedure competency-based outcomes in a national paediatric training/residency program—a multi-centered qualitative study
Creators: name: Khan, Waqas Ullah
name: Twomey, John
name: Ryan, Ethel
name: Martin, Therese
name: Kamal, Myeda
name: Lok Boris Cheng, Pak
name: O'GORMAN, CLODAGH
name: Byrne, Dara
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 42
subject: Health sciences
subject: FOS: Health sciences

description: Background In 2018, the Royal College of Physicians of Ireland revised its paediatric training program to a competency-based medical education (CBME) training/residency curriculum. This included a requirement to achieve competence in a number of core procedural skills to progress within the program. Internationally, simulation-based medical education (SBME) is gaining interest as an effective teaching pedagogy for training procedural skill competency. The objectives of this study were to (1) identify enablers and barriers for paediatric trainees to achieve their required procedural competencies, (2) gain insight on the feasibility of achieving the required procedural skills, and (3) explore what simulation-based resources are used as well as their role in achieving the required procedural skill competencies. Methods A multi-centered qualitative study using semi-structured interviews was performed. Twenty-four paediatric consultants and trainees were recruited from two academic tertiary hospitals using purposive and snowball sampling. Interviews were conducted between March and September 2021, audio recorded, transcribed, and analyzed using thematic analysis. Results Three main themes regarding enablers for achieving procedural competencies were reported and include having protected training time, routine assessments, and a standardized curriculum. Barriers to achieving procedural competencies focused mainly on limited clinical exposure. The use of SBME was recommended by all participants (n=24, 100%) to assist in achieving procedural competencies and most (n=15, 62.5%) reported it is feasible to attain the required procedural skills in the paediatric CBME program. Conclusion It is feasible to achieve the required procedural competencies for most paediatric trainees, but this can be improved with protected training time, routine assessments, and a standardized curriculum. Barriers to achieving these skills mainly center on limited clinical exposure, which can be remedied by SBME. Further research is warranted to determine the costs and types of SBME tools available as well as teaching pedagogies to support paediatric trainees achieve their required procedural competencies
PENELLOPE II. CVSO 104: a pre-main sequence close binary with an optical companion in Ori OB1
Creators: name: Frasca, A.
name: Boffin, H. M. J.
name: Manara, C. F.
name: Alcalá, J. M.
name: Ábrahám, P.
name: Covino, E.
name: Fang, M.
name: Gangi, M.
name: Herczeg, G. J.
name: Kóspál, Á.
name: Venuti, L.
name: Walter, F. M.
name: Alonso-Santiago, J.
name: Grankin, K.
name: Siwak, M.
name: Alecian, E.
name: Cabrit, S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present results of our study of the close pre-main sequence spectroscopic binary CVSO 104 in Ori OB1, based on data obtained within the PENELLOPE legacy program. We derive, for the first time, the orbital elements of the system and the stellar parameters of the two components. The system is composed of two early M-type stars and has an orbital period of about 5 days and a mass ratio of 0.92, but contrarily to expectations does not appear to have a tertiary companion. Both components have been (quasi-)synchronized, but the orbit is still very eccentric. The spectral energy distribution clearly displays a significant infrared excess compatible with a circumbinary disk. The analysis of HeI and Balmer line profiles, after the removal of the composite photospheric spectrum, reveals that both components are accreting at a similar level. We also observe excess emission in H$α$ and H$β$, which appears redshifted or blueshifted by more than 100 km/s with respect to the mass center of the system depending on the orbital phase. This additional emission could be connected with accretion structures, such as funnels of matter from the circumbinary disk. We also analyze the optical companion located at about 2".4 from the spectroscopic binary. This companion, that we named CVSO 104B, turns out to be a background Sun-like star not physically associated with the PMS system and not belonging to Ori OB1.
description: Accepted for publication in Astronomy and Astrophysics; 16 pages, 18 figures
Lieb-Thirring estimates for non self-adjoint Schrödinger operators
Creators: name: Bruneau, Vincent
name: Ouhabaz, E. -M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Spectral Theory (math.SP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: For general non-symmetric operators $A$, we prove that the moment of order $γ\ge 1$ of negative real-parts of its eigenvalues is bounded by the moment of order $γ$ of negative eigenvalues of its symmetric part $H = {1/2} [A + A^*].$ As an application, we obtain Lieb-Thirring estimates for non self-adjoint Schrödinger operators. In particular, we recover recent results by Frank, Laptev, Lieb and Seiringer \cite{FLLS}. We also discuss moment of resonances of Schrödinger self-adjoint operators.
Platinum-based Catalysts for Oxygen Reduction Reaction simulated with a Quantum Computer
Creators: name: Di Paola, Cono
name: Plekhanov, Evgeny
name: Krompiec, Michal
name: Kumar, Chandan
name: Marsili, Emanuele
name: Du, Fengmin
name: Weber, Daniel
name: Krauser, Jasper Simon
name: Shishenina, Elvira
name: Ramo, David Muñoz
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Hydrogen has emerged as a promising energy source, holding the key to achieve low-carbon and sustainable mobility. However, its applications are still limited by modest conversion efficiency in the electrocatalytic oxygen reduction reaction (ORR) within fuel cells. Consequently, the development of novel catalysts and a profound understanding of the underlying reactions have become of paramount importance. The complex nature of the ORR potential energy landscape and the presence of strong electronic correlations present challenges to atomistic modelling using classical computers. This scenario opens new avenues for the implementation of novel quantum computing workflows to address these molecular systems. Here, we present a pioneering study that combines classical and quantum computational approaches to investigate the ORR on pure platinum and platinum/cobalt surfaces. Our research demonstrates, for the first time, the feasibility of implementing this workflow on the H1-series trapped-ion quantum computer and identify the challenges of the quantum chemistry modelling of this reaction. The results highlight the involvement of strongly correlated species in the cobalt-containing catalyst, suggesting their potential as ideal candidates for showcasing quantum advantage in future applications.
description: Main paper: 29 pages, 4 figures, Supplementary Material: 10 pages, 5 figures, 5 tables
Additional file 1 of Production of surfactant-stable keratinase from Bacillus cereus YQ15 and its application as detergent additive
Creators: name: Zhang, Rong-Xian
name: Wu, Zhong-Wei
name: Cui, Hai-Yang
name: Chai, Ying-Nan
name: Hua, Cheng-Wei
name: Wang, Peng
name: Li, Lan
name: Yang, Tian-You
Publisher: name: figshare
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: Additional file 1. Time profiles of growth and keratinase production.