cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Topological order generated by random field in a 2D exchange model
Creators: name: Chudnovsky, E. M.
name: Garanin, D. A.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study a 2D exchange model with a weak static random field on lattices containing over one hundred million spins. Ferromagnetic correlations persist on the Imry-Ma scale inversely proportional to the random-field strength and decay exponentially at greater distances. We find that the average energy of the correlated area is close to the ground-state energy of a skyrmion, while the topological charge of the area is close to $\pm 1$. Correlation function of the topological charge density exhibits oscillations with a period determined by the ferromagnetic correlation length, while its Fourier transform exhibits a maximum. These findings suggest that static randomness transforms a 2D ferromagnetic state into a skyrmion-antiskyrmion glass.
description: 5 pages, 3 figures
Tile Vaults in Belgium in the 1930s. The Churches of Léonard Homez
Creators: name: Fuentes, Paula
name: Guerra-Pestonit, Rosa Ana
Publisher: name: Zenodo
Year: 2021
Subjects: Léonard Homez
church Sainte-Alix
church Divin Sauveur
church Sint- Theresia
Tile vaults
Charles Daussin
Tignol et Joly

description: During the first half of the 20th century, Belgium witnessed a wide range of styles in church design. While neo-Gothic was the dominant trend until the 1920s, experimentation with new forms and new materials was the main feature of the 1920s. During the middle of the 1930s, design moved towards more traditional forms. Tile vaults were introduced in the country at the beginning of the century. Widely used in churches, this technique allowed great flexibility in the design, together with economical and fast construction, which was especially important in the interwar period. In this context, Léonard Homez designed and built three churches, two in Brussels – Sainte-Alix in Wolowe-Saint-Pierre (1935–36) and Divin Sauveur in Schaerbeek (1935–37) – and Sint-Theresia in Dilbeek (1937–39), very close to Brussels. The vaults were built by the specialized contractor Tignol and Joly. This chapter analyses the constructive characteristics of these vaults, their geometry, and their similarities as well as the evolution of their design and construction.
Three-body resonances in He-6, Li-6, and Be-6, and the soft dipole mode problem of neutron halo nuclei
Creators: name: Csoto, Attila
Publisher: name: arXiv
Year: 1994
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Using the complex scaling method, the low-lying three-body resonances of $^6$He, $^6$Li, and $^6$Be are investigated in a parameter-free microscopic three-cluster model. In $^6$He a 2$^+$, in $^6$Li a 2$^+$ and a 1$^+$, and in $^6$Be the 0$^+$ ground state and a 2$^+$ excited state is found. The other experimentally known 2$^+$ state of $^6$Li cannot be localized by our present method. We have found no indication for the existence of the predicted 1$^-$ soft dipole state in $^6$He. We argue that the sequential decay mode of $^6$He through the resonant states of its two-body subsystem can lead to peaks in the excitation function. This process can explain the experimental results in the case of $^{11}$Li, too. We propose an experimental analysis, which can decide between the soft dipole mode and the sequential decay mode.
description: REVTEX, Submitted to Phys. Rev. C, 12 pages, 2 postscript figures are available upon request. CALTECH, MAP-166
Spin-Peierls ground states and frustration in a multi-band Peierls-Hubbard model
Creators: name: Roeder, H.
name: Bishop, A. R.
name: Gammel, J. Tinka
Publisher: name: arXiv
Year: 1992
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We discuss the consequences of including both electron-phonon and electron-electron couplings in multi-band models, focusing on numerical studies of a one-dimensional two-band model in the intermediate regime for both coupling strengths. Spin-Peierls as well as long-period, frustrated ground states are identified, reminisent of those found in antiferromagnetic next-nearest neighbor (ANNNI) models. We speculate on experimentally observable signatures of this rich phase diagram. 1992 PACS: 75.30.Fv, 71.45.Lr, 71.38+i, 64.70.Rh
description: 4 pp, 4 fig in 2 postscript files (appended), table format corrected, in revtex, NRaD.9211.002.GAM
Host combats porcine reproductive and respiratory syndrome virus infection at non-coding RNAs level
Creators: name: Qin, Zhi
name: Liu, Weiye
name: Qin, Zhihua
name: Zhang, Hongliang
name: Huang, Xuewei
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Evolutionary Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Mental Health
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: Virology

description: Porcine reproductive and respiratory syndrome virus (PRRSV) poses a significant threat to the global swine industry. The emergence of new, highly virulent strains has precipitated recurrent outbreaks worldwide, underscoring the ongoing battle between host and virus. Thus, there is an imperative to formulate a more comprehensive and effective disease control strategy. Studies have shown that host non-coding RNA (ncRNA) is an important regulator of host – virus interactions in PRRSV infection. Hence, a thorough comprehension of the roles played by ncRNAs in PRRSV infection can augment our understanding of the pathogenic mechanisms underlying PRRSV infection. This review focuses on elucidating contemporary insights into the roles of host microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) in PRRSV infection, providing both theoretical foundations and fresh perspectives for ongoing research into the mechanisms driving PRRSV infection and its pathogenesis.
Additional file 1: of Wolf outside, dog inside? The genomic make-up of the Czechoslovakian Wolfdog
Creators: name: Caniglia, Romolo
name: Fabbri, Elena
name: Hulva, Pavel
name: Bolfíková, Barbora
name: Jindřichová, Milena
name: Stronen, Astrid
name: Dykyy, Ihor
name: Camatta, Alessio
name: Carnier, Paolo
name: Randi, Ettore
name: Galaverni, Marco
Publisher: name: figshare
Year: 2018
Subjects: subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: Evolutionary Biology
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Figure S1. FST heat plot matrix of the genetic distances among groups computed from the 126k dataset in SVS. The most distant breed to Carpathian wolves (WCA) is the English Bulldog (EBD) while the closest one is the ancient breed Shar-Pei (ShP). As expected the least differentiated breed from the Czechoslovakian Wolfdog (CWD) is the German Shepherd (GSh). (PDF 200 kb)
$\mathcal{O}(α^2)$ ISR effects with a full electroweak one-loop correction for a top pair-production at the ILC
Creators: name: Fujimoto, Junpei
name: Kurihara, Yoshimasa
name: Quach, Nhi M. U.
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Precise predictions for an $e^+e^-\rightarrow t\bar{t}$ cross section are presented at an energy region from 400 GeV to 800 GeV. Cross sections are estimated including the beam-polarization effects with full $\mathcal{O}(α)$, and also with effects of the initial-state photon emission. A radiator technique is used for the initial-state photon emission up to two-loop order. A weak correction is defined as the full electroweak corrections without the initial-state photonic corrections. As a result, it is obtained that the total cross section of a top quark pair-production receives the weak corrections of $+4\%$ over the trivial initial state corrections at a centre of mass energy of 500 GeV. Among the initial state contributions, a contribution from two-loop diagrams gives less than $0.11\%$ correction over the one-loop ones at the center of mass energies of from $400$ GeV to $800$ GeV. In addition, an effect of a running coupling constant is also discussed.
description: Comments: 12 pages, 5 figures. Prepared for JHEP. Portions of this work previously appeared as arXiv:1706.07042, on which this heavily draws
Mean Field Theory of Sandpile Avalanches: from the Intermittent to the Continuous Flow Regime
Creators: name: Benza, V. G.
name: Nori, Franco
name: Pla, Oscar
Publisher: name: arXiv
Year: 1993
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: FOS: Physical sciences

description: We model the dynamics of avalanches in granular assemblies in partly filled rotating cylinders using a mean-field approach. We show that, upon varying the cylinder angular velocity $ω$, the system undergoes a hysteresis cycle between an intermittent and a continuous flow regimes. In the intermittent flow regime, and approaching the transition, the avalanche duration exhibits critical slowing down with a temporal power-law divergence. Upon adding a white noise term, and close to the transition, the distribution of avalanche durations is also a power-law. The hysteresis, as well as the statistics of avalanche durations, are in good qualitative agreement with recent experiments in partly filled rotating cylinders.
description: 4 pages, RevTeX 3.0, postscript figures 1, 3 and 4 appended.
Dilepton Production in Nucleon-Nucleon Interactions
Creators: name: Schäfer, M.
name: Dönges, H. C.
name: Engel, A.
name: Mosel, U.
Publisher: name: arXiv
Year: 1994
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Starting from a realistic one--boson--exchange--model fitted to the amplitudes of elastic nucleon--nucleon scattering and the process $NN\rightarrow NΔ$ we perform a fully relativistic and gauge invariant calculation for the dilepton production in nucleon--nucleon collisions, including the important effect of propagating the $Δ$--resonance. We compare the results of our calculations with the latest experimental data on dilepton production. We also show how to implement various electromagnetic formfactors for the hadrons in our calculations without loosing gauge--invariance and discuss their influence on dilepton spectra.
description: 24 pages, figures will be sent on request
A survey for variable young stars with small telescopes: First results from HOYS-CAPS
Creators: name: Froebrich, D.
name: Campbell-White, J.
name: Scholz, A.
name: Eislöffel, J.
name: Zegmott, T.
name: Billington, S. J.
name: Donohoe, J.
name: Makin, S. V.
name: Hibbert, R.
name: Newport, R. J.
name: Pickard, R.
name: Quinn, N.
name: Rodda, T.
name: Piehler, G.
name: Shelley, M.
name: Parkinson, S.
name: Wiersema, K.
name: Walton, I.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Variability in Young Stellar Objects (YSOs) is one of their primary characteristics. Long-term, multi-filter, high-cadence monitoring of large YSO samples is the key to understand the partly unusual light-curves that many of these objects show. Here we introduce and present the first results of the HOYS-CAPS citizen science project which aims to perform such monitoring for nearby (d<1kpc) and young (age<10Myr) clusters and star forming regions, visible from the northern hemisphere, with small telescopes. We have identified and characterised 466 variable (413 confirmed young) stars in 8 young, nearby clusters. All sources vary by at least 0.2mag in V, have been observed at least 15 times in V, R and I in the same night over a period of about 2yrs and have a Stetson index of larger than 1. This is one of the largest samples of variable YSOs observed over such a time-span and cadence in multiple filters. About two thirds of our sample are classical T-Tauri stars, while the rest are objects with depleted or transition disks. Objects characterised as bursters show by far the highest variability. Dippers and objects whose variability is dominated by occultations from normal interstellar dust or dust with larger grains (or opaque material) have smaller amplitudes. We have established a hierarchical clustering algorithm based on the light-curve properties which allows the identification of the YSOs with the most unusual behaviour, and to group sources with similar properties. We discuss in detail the light-curves of the unusual objects V2492Cyg, V350Cep and 2MASSJ21383981+5708470.
description: 13 pages, 9 figures, 3 tables, accepted for publication in MNRAS, full version with full appendix available at http://astro.kent.ac.uk/~df/papers.html
Cellular automaton for the fracture of disordered media
Creators: name: Ossadnik, Peter
Publisher: name: arXiv
Year: 1992
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We study numerically the growth of a crack in an elastic medium under the influence of a travelling shockwave. We describe the implementation of a fast algorithm which is perfectly suited for a data parallel computer. Using large scale simulations on the Connection Machine we generate cracks with more than 10000 sites on a $\scriptstyle 1024 \times 1024$ lattice. We show that the resulting patterns are fractal with a fractal dimension that depends on the chosen breaking criterion and varies between $\scriptstyle 1.$ and $\scriptstyle 2.$
description: 9 pages, 6 figures (3 included), plain TeX (using vanilla.sty, epsf.tex), HLRZ-preprint 46/92
title: ADCO, Grènetier de Cîteaux : comptes (1499-1503) (11 H 1173), f. 00004
Creators: name: de la Côte-d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Chartes de la Bourgogne du Moyen Âge
subject: comptes
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi

description: Grènetier de Cîteaux : comptes (1499-1503), Archives départementales de la Côte-d'Or, (11 H 1173). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Grènetier de Cîteaux : comptes (1499-1503), Archives départementales de la Côte-d'Or, (11 H 1173), f. 00004, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Additional file 1: of Prevention of striae gravidarum: study protocol for a pilot randomised controlled trial
Creators: name: Brennan, Miriam
name: Clarke, Mike
name: Newell, John
name: Devane, Declan
Publisher: name: figshare
Year: 2018
Subjects: subject: Biological Sciences not elsewhere classified
subject: Science Policy
subject: Infectious Diseases
subject: FOS: Health sciences

description: SPIRIT 2013 Checklist: Recommended items to address in a clinical trial protocol and related documents. (DOC 122 kb)
title: An Assessment of High School Coaches Knowledge of Sport-Related Concussion
Creators: name: O'Donoghue, Erin M.
Publisher: name: Old Dominion University
publisherIdentifier: https://ror.org/04zjtrb98
publisherIdentifierScheme: ROR
Year: 2007

description: Sport-related concussion is a common occurrence in high-risk sports and can occur during participation in all sports. The purpose of this study was to assess the knowledge base high school athletic coaches possess about concussion signs and symptoms in regards to recognition, management, and prevention of this condition. A 25 question demographic questionnaire was used to gather background information and a 24 question multiple-choice assessment was used to determine knowledge of recognition, management, and prevention of sport-related concussion. A panel of eight experts in the fields of sport-related concussion and/or survey research reviewed and modified the survey instrument, which were piloted by eight local high school athletic coaches prior to distribution. The survey was distributed to 221 high school coaches in the Hampton Roads area during the winter sport season and completed by 126 (57% return rate). The mean total score for the knowledge assessment was 20.270/24±2.099, with a range of 12 to 24. Multiple analyses of variation (MANOVA) were used to determine the effect that selected demographic data had on knowledge of concussion. Males scored higher on the assessment (p < 0.01), as did coaches with a personal history of concussion (p = 0.042), and coaches who attended a workshop on concussion (p = 0.019). A chi-square analysis revealed an association between gender and coaching a high-risk sport (p < 0.01) as well as discussing concussion with an athletic trainer (p = 0.019), therefore possibly explaining observed gender differences. No difference was found for coaches' knowledge based on higher education degree, health-related major, first-aid certification, coaching experience, or discussion with an athletic trainer. Our results support the need for additional education about sport-related concussion for coaches; however, the survey instrument may have been too easy for the intended audience. Further research should examine the effectiveness of sport-related concussion educational intervention methods and the retention of knowledge in coaches following an intervention.
Representations of the $S_N$-Extended Heisenberg Algebra and Relations Between Knizhnik-Zamolodchikov Equations and Quantum Calogero Model
Creators: name: Brink, Lars
name: Vasiliev, Mikhail A.
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: We discuss lowest-weight representations of the $S_N$-Extended Heisenberg Algebras underlying the $N$-body quantum-mechanical Calogero model. Our construction leads to flat derivatives interpolating between Knizhnik-Zamolodchikov and Dunkl derivatives. It is argued that based on these results one can establish new links between solutions of the Knizhnik-Zamolodchikov equations and wave functions of the Calogero model.
description: 7 pages
title: Εφαρμογή της Διοίκησης Ολικής Ποιότητας με βάση το αμερικανικό βραβείο αριστείας Malcolm Baldrige στην τελωνειακή υπηρεσία της Ανεξάρτητης Αρχής Δημοσίων Εσόδων
title: Implementation of Total Quality Management based on the American Malcolm Baldrige Award of Excellence in the Customs Service of the Independent Authority for Public Revenue
titleType: AlternativeTitle
Creators: name: Πετράκης, Κωνσταντίνος
Publisher: name: Πανεπιστήμιο Πελοποννήσου
Year: 2024
Subjects: subject: Διοίκηση ολικής ποιότητας
subject: Ποιοτικός έλεγχος
subject: Διασφάλιση ποιότητας
subject: Ηγεσία
subject: Διοίκηση και οργάνωση προσωπικού
subject: Total Quality Management
subject: Quality control
subject: Leadership
subject: Personnel management
subject: Διοίκηση Ολικής Ποιότητας
subject: Αμερικάνικο Βραβείο Διοικητικής Αριστείας
subject: Ανεξάρτητη Αρχή Δημοσίων Εσόδων
subject: Total Quality Management
subject: American Model of Administrative Excellence
subject: Independent Authority for Public Revenue

description: Βασικός σκοπός της παρούσας εργασίας είναι να διερευνηθούν επί συγκεκριμένου δείγματος οι συνθήκες που επικρατούν στην Τελωνειακή Υπηρεσία της Ανεξάρτητης Αρχής Δημοσίων Εσόδων (Α.Α.Δ.Ε.) όσον αφορά τη δυνατότητα εφαρμογής της Διοίκησης Ολικής Ποιότητας, όπως αυτή εκφράζεται μέσω του αμερικανικού βραβείου αριστείας Malcolm Baldrige, εξετάζοντας από την πλευρά των εργαζομένων τα ακόλουθα κριτήρια: Ηγεσία, Στρατηγική, Πελάτες, Μέτρηση – Ανάλυση – Γνώσεις Management, Εργατικό Δυναμικό, Λειτουργίες καθώς και τα προκύπτοντα αυτών αποτελέσματα. Από την υπάρχουσα βιβλιογραφία προκύπτει ότι δεν έχει πραγματοποιηθεί στην Ελλάδα άλλη σχετική έρευνα σε οικονομική Αρχή. Εφαρμόστηκε η ποσοτική μέθοδος και το ερευνητικό εργαλείο που χρησιμοποιήθηκε ήταν το ερωτηματολόγιο κλειστού τύπου, σύμφωνα με την πενταβάθμια κλίμακα Likert. Το δείγμα απαρτίζεται από 120 τελωνειακούς, με θέσεις εργασίας κυρίως απλοί υπάλληλοι, αλλά και προϊστάμενους τμημάτων και προϊστάμενους Διευθύνσεων κεντρικής υπηρεσίας ή Τελωνείων της Α.Α.Δ.Ε. Από τα προκύπτοντα αποτελέσματα καταδεικνύεται σαφές ότι παρότι η σύσταση της Αρχής έγινε το 2017, έχει επικρατήσει έως σήμερα μια μέτρια κουλτούρα ποιότητας, η οποία και επιδέχεται περαιτέρω βελτίωση. Τέλος, κρίνεται σκόπιμο να διερευνηθεί η εφαρμογή και κάποιου άλλου μοντέλου διοικητικής αριστείας με παρόμοια κριτήρια στην Α.Α.Δ.Ε. (πχ το Ευρωπαϊκό Μοντέλο Διοικητικής Αριστείας) και ακολούθως να πραγματοποιηθούν οι ανάλογες συγκρίσεις.
Additional file 1 of Integrated entropy-based approach for analyzing exons and introns in DNA sequences
Creators: name: Li, Junyi
name: Zhang, Li
name: Li, Huinian
name: Ping, Yuan
name: Xu, Qingzhe
name: Wang, Rongjie
name: Tan, Renjie
name: Wang, Zhen
name: Liu, Bo
name: Wang, Yadong
Publisher: name: figshare
Year: 2019
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Developmental Biology
subject: Plant Biology
subject: Virology
subject: Computational Biology

description: Figure S1. The AUC value of ROC curves from exon prediction results of 15 genes.(a) â (e) The performance obtained by our method for every specie and the value of AUC ranges from 0.55 to 0.81. Table S1. Significance level of p-value in Kruskal-Wallis Test for generalized topological entropy and modified generalized topological entropy calculation of genetic elements. Table S2. Prediction of exon and intron regions on single gene AJ229040. Table S3. Prediction of exon and intron regions on genes across five species. (DOCX 17, 765 kb)
Additional file 1: of Understanding barriers for research involvement among paediatric trainees: a mixed methods study
Creators: name: Mustafa, Khurram
name: Murray, Carolyn
name: Nicklin, Emma
name: Glaser, Adam
name: Andrews, Jacqueline
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Molecular Biology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Appendix 1. Information Leaflet. Information provided to participants before written consent. (DOCX 18 kb)
The nuclear symmetry energy and the breaking of the isospin symmetry: how do they reconcile with each other?
Creators: name: Roca-Maza, X.
name: Colo', G.
name: Sagawa, H.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We analyze and propose a solution to the apparent inconsistency between our current knowledge of the Equation of State of asymmetric nuclear matter, the energy of the Isobaric Analog State (IAS) in a heavy nucleus such as 208Pb, and the isospin symmetry breaking forces in the nuclear medium. This is achieved by performing state-of-the-art Hartree-Fock plus Random Phase Approximation calculations of the IAS that include all isospin symmetry breaking contributions. To this aim, we propose a new effective interaction that is successful in reproducing the IAS excitation energy without compromising other properties of finite nuclei.
description: Accepted for publication in Phys. Rev. Lett. Supplemental material available
Angle of Repose and Angle of Marginal Stability: Molecular Dyanmics of Granular Particles
Creators: name: Lee, Jysoo
name: Herrmann, Hans J.
Publisher: name: arXiv
Year: 1992
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We present an implementation of realistic static friction in molecular dynamics (MD) simulations of granular particles. In our model, to break contacts between two particles, one has to apply a finite amount of force, determined by the Coulomb criterion. Using a two dimensional model, we show that piles generated by avalanches have a {\it finite} angle of repose $θ_R$ (finite slopes). Furthermore, these piles are stable under tilting by an angle smaller than a non-zero tilting angle $θ_T$, showing that $θ_R$ is different from the angle of marginal stability $θ_{MS}$, which is the maximum angle of stable piles. These measured angles are compared to a theoretical approximation. We also measure $θ_{MS}$ by continuously adding particles on the top of a stable pile.
description: 14 pages, Plain TeX
[Querida Nivaria, te mando estas líneas sólo para decirte]
Creators: name: Juan, Ferraté
name: Ferraté, Juan
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2025
Subjects: Publication
‘’Sonámbulo del sol’’
Éditions Seix Barral

description: Destinataire : Tejera, Nivaria
description: L’auteur l’informe qu’il pense lui écrire plus longuement en août avant son départ de Barcelone pour le Canada, où il sera de septembre à avril prochain, et qu’il espère boucler l’édition de son roman (‘’Sonámbulo del sol’’) qui devrait paraître en novembre.
description: El autor le informa que piensa escribirle más en agosto antes de su partida de Barcelona hacia Canadá, donde estará de septiembre a abril, y que espera concluir la edición de su novela (''Sonámbulo del sol'') que debería publicarse en noviembre.
description: Note : Lettre avec son enveloppe. Papier à en-tête : Editorial Seix Barral, s.a. Barcelona.
description: Source: NT-AB-1971-07-26
description: Source: Localisation du document : Centre de Recherches Latino-Américaines (CRLA–Archivos, ITEM UMR8132). MSHS - Bât. A5, 1er étage 5 rue Théodore Lefebvre - TSA21103. 86073 Poitiers cedex 9.
Elastic quantum spin-Hall effect in Kagome lattices
Creators: name: Chen, Hui
name: Nassar, Hussein
name: Norris, Andrew N.
name: Hu, Gengkai
name: Huang, Guoliang
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: A Quantum Spin-Hall Insulator (QSHI) is implemented into a simple mass-spring Kagome lattice. The transition from the trivial state to the topological one is described by an invariant Chern number function of a contrast parameter. The band diagram and helical edge states characteristic of QSHI are obtained by a combination of numerical and analytical methods. In particular, these states are shown to be Stoneley wave solutions to a set of asymptotic continuous motion equations. Last, scatterless propagation of polarized topological edge waves around sharp corners is demonstrated and robustness is assessed through a parametric study.
description: 9 figures
Σύστημα αξιολόγησης αποδοτικότητας προσωπικού εταιρείας πληροφορικής
Creators: name: Πετρέλλης, Μάριος
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2024
Subjects: subject: DevOps
subject: Σύστημα αξιολόγησης
subject: Πληροφοριακά συστήματα

description: Σκοπός την παρούσας εργασίας είναι η υλοποίηση ενός πληροφοριακού συστήματος για την αξιολόγηση αποδοτικότητας του προσωπικού μιας εταιρείας πληροφορικής. Η ανάλυση του πληροφοριακού συστήματος και της υλοποίησης που πραγματοποιήθηκε θα αναλυθεί εκτενώς στα κεφάλαια που ακολουθούν παρακάτω. Οι μέθοδοι και οι τεχνικές που εφαρμόστηκαν για την ανάπτυξη του πληροφορικού συστήματος ήταν η ΜΜΣ, Agile και DevOps μεθοδολογίες, καθώς αυτές συνέλαβαν στην ανάπτυξη της υψηλής ποιότητας και της ευελιξίας της εφαρμογής στον χρήστη.
When can gravity path-entangle two spatially superposed masses?
Creators: name: Marletto, Chiara
name: Vedral, Vlatko
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: An experimental test of quantum effects in gravity has recently been proposed, where the ability of the gravitational field to entangle two masses is used as a witness of its quantum nature. The key idea is that if gravity can generate entanglement between two masses then it must have at least some quantum features (i.e., two non-commuting observables). Here we discuss what existing models for coupled matter and gravity predict for this experiment. Collapse-type models, and also quantum field theory in curved spacetime, as well as various induced gravities, do not predict entanglement generation; they would therefore be ruled out by observing entanglement in the experiment. Instead, local linearised quantum gravity models predict that the masses can become entangled. We analyse the mechanism by which entanglement is established in such models, modelling a gravity-assisted two-qubit gate.
Approximation of the electronic terms of diatomic molecules by the Morse function. The role of anharmonicity. II. Simple terms
Creators: name: Denisov, G. S.
name: Asfin, R. E.
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Cell Biology
subject: Molecular Biology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Marine Biology
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: This article continues the series of works by the authors on the approximation of the electronic terms of a diatomic molecules and their vibrational structure by the Morse formula, which is the simplest anharmonic approximation of the real term U(r). Depending on the choice of parameters, the approximation has two alternative solutions M1(r) and M2(r), with different patterns of deviations from the real term and its vibrational structure; some typical deviations for M1(r) and M2(r) are described. The difference δ(r)=U(r)−M(r) quantitatively shows the changes in the shape of the terms during approximation and can serve as a reference point when choosing its type for solving a specific problem. We introduced an empirical anharmonicity function −2ωex(v), which characterizes the positions of vibrational levels in the potential well; it demonstrates the distortion of the vibrational structure of the term U(r) during the approximation. Based on the data from literature, the functions δ(r) and −2ωex(v) were constructed for more than 20 molecules and a preliminary classification of electronic terms according to their characteristic features is described. Here we present a group of simple terms with minimal deviations from the Morse shape.
[J’étais absent lorsque tu as téléphoné et guère plus présent]
Creators: name: Claude, Fournet
name: Fournet, Claude
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2025
Subjects: Vie personnelle
Écriture

description: Destinataire : Tejera, Nivaria
description: L’auteur évoque : son état d’esprit, la gesticulation parisienne, sa ‘’moralité fondamentale’’, et le contexte dans lequel il écrit. Un poème est joint à la lettre.
description: El autor menciona: su estado de ánimo, la gesticulación parisina, su ''moralidad fundamental'', y el contexto en el que escribe. Un poema se adjunta a la carta.
description: Note : Lettre avec son enveloppe comportant au verso le tampon du Musée des Sables-d’Olonnes Abbaye de Sainte-Croix). Date et contexte géographique du document recueillis sur le cachet de la poste de l’enveloppe.
description: Source: NT-AB-1971-10-22
description: Source: Localisation du document : Centre de Recherches Latino-Américaines (CRLA–Archivos, ITEM UMR8132). MSHS - Bât. A5, 1er étage 5 rue Théodore Lefebvre - TSA21103. 86073 Poitiers cedex 9.
Analysis of Subthreshold Antiproton Production in p-Nucleus and Nucleus-Nucleus Collisions in the RBUU Approach
Creators: name: Teis, Stefan
name: Cassing, Wolfgang
name: Maruyama, Tomoyuki
name: Mosel, Ulrich
Publisher: name: arXiv
Year: 1994
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We calculate the subthreshold production of antiprotons in the Lorentz-covariant RBUU approach employing a weighted testparticle method to treat the antiproton propagation and absorption nonperturbatively. We find that the pbar differential cross sections are highly sensitive to the baryon and antiproton selfenergies in the dense baryonic environment. Adopting the baryon scalar and vector selfenergies from the empirical optical potential for proton-nucleus elastic scattering and from Dirac-Brueckner calculations at higher density rho > rho_0 we examine the differential pbar spectra as a function of the antiproton selfenergy. A detailed comparison with the available experimental data for p-nucleus and nucleus-nucleus reactions shows that the antiproton feels a moderately attractive mean-field at normal nuclear matter density rho_0 which is in line with a dispersive potential extracted from the free annihilation cross section.
description: 41 pages, figures can be otained from the authors
Non recursive proof of the KAM theorem
Creators: name: Gallavotti, Giovanni
name: Gentile, Guido
Publisher: name: arXiv
Year: 1993
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: A selfcontained proof of the KAM theorem in the Thirring model is discussed, completely relaxing the ``strong diophantine property'' hypothesis used in previous papers. Keywords: \it KAM, invariant tori, classical mechanics, perturbation theory, chaos
description: 8 pages, 1 figure generated automatically for a poscript printer with the name gvnn.ps: see first few lines if compilers other than DVIPS are used
Small-angle X-ray scattering in amorphous silicon: A computational study
Creators: name: Paudel, Durga
name: Atta-Fynn, Raymond
name: Drabold, David A.
name: Elliott, Stephen R.
name: Biswas, Parthapratim
Publisher: name: arXiv
Year: 2018
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present a computational study of small-angle X-ray scattering (SAXS) in amorphous silicon ($a$-Si) with particular emphasis on the morphology and microstructure of voids. The relationship between the scattering intensity in SAXS and the three-dimensional structure of nanoscale inhomogeneities or voids is addressed by generating ultra-large high-quality $a$-Si networks with 0.1-0.3% volume concentration of voids, as observed in experiments using SAXS and positron annihilation spectroscopy. A systematic study of the variation of the scattering intensity in the small-angle scattering region with the size, shape, number density, and the spatial distribution of the voids in the networks is presented. Our results suggest that the scattering intensity in the small-angle region is particularly sensitive to the size and the total volume-fraction of the voids, but the effect of the geometry or shape of the voids is less pronounced in the intensity profiles. A comparison of the average size of the voids obtained from the simulated values of the intensity, using the Guinier approximation and Kratky plots, with those from the spatial distribution of the atoms in the vicinity of void surfaces is presented.
description: 13 pages and 14 figures
Possible Quantum Spin Liquid States on the Triangular and Kagome Lattices
Creators: name: Yang, Kun
name: Warman, K. L.
name: Girvin, S. M.
Publisher: name: arXiv
Year: 1992
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: The frustrated spin-one-half Heisenberg model on triangualr and Kagome Lattices is mapped onto a single specis of fermion carrying statistical flux. The corresponding Chern-Simons gauge theory is analyzed at the Gaussian level and found to be massive. This provides a new motivation for the spin-liquid Kalmeyer-Laughlin wave function. Good overlap of this wave function with the numerical ground state is found for small clusters.
description: 13 pages, revtex. IUCM-9201
Relativistic Coulomb Sum Rules for $(e,e^\prime)$
Creators: name: Ferrée, T. C.
name: Koltun, D. S.
Publisher: name: arXiv
Year: 1994
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A Coulomb sum rule is derived for the response of nuclei to $(e,e^\prime)$ scattering with large three-momentum transfers. Unlike the nonrelativistic formulation, the relativistic Coulomb sum is restricted to spacelike four-momenta for the most direct connection with experiments; an immediate consequence is that excitations involving antinucleons, e.g., $N{\bar N}$ pair production, are approximately eliminated from the sum rule. Relativistic recoil and Fermi motion of target nucleons are correctly incorporated. The sum rule decomposes into one- and two-body parts, with correlation information in the second. The one-body part requires information on the nucleon momentum distribution function, which is incorporated by a moment expansion method. The sum rule given through the second moment (RCSR-II) is tested in the Fermi gas model, and is shown to be sufficiently accurate for applications to data.
description: 32 pages (LaTeX), 4 postscript figures available from the authors
Association of transition cow health with pregnancy per artificial insemination and pregnancy loss in Holstein cows submitted to a Double-Ovsynch protocol for first service
Creators: name: Frenkel, R.
name: Fricke, P. M.
name: Madureira, A. M. L.
name: Heuwieser, W.
name: Borchardt, S.
Publisher: name: Freie Universität Berlin
Year: 2024
Subjects: subject: Holstein cows
subject: pregnancy loss
subject: 600 Technik, Medizin, angewandte Wissenschaften::630 Landwirtschaft::630 Landwirtschaft und verwandte Bereiche

description: This observational study was conducted to evaluate the effect of transition cow health on pregnancy per artificial insemination (P/AI) and pregnancy loss (PL) in cows submitted to a Double-Ovsynch protocol (DO) for first service. Lactating Holstein cows (n = 15,041) from one commercial dairy farm in northern Germany between January 2015 to December 2021 were enrolled into a modified Double-Ovsynch protocol (GnRH, 7 d later PGF2α, 3 d later GnRH, 7 d later GnRH, 7 d later PGF2α, 24 h later PGF2α, 32 h later GnRH, and 16 to 18 h later timed artificial insemination) for first service at 72 ± 3 d in milk. Pregnancy was diagnosed at 32 and 60 d post-AI via transrectal ultrasonography. Pregnancy loss was defined as the proportion of cows diagnosed pregnant 32 d post-artificial insemination that were diagnosed nonpregnant 60 d post-artificial insemination. Health-related events (i.e., milk fever [MF], hyperketonemia [KET], retained fetal membranes [RFM], metritis, mastitis, left displaced abomasum [LDA]) were assessed by farm personnel using standard operating procedures. Multivariable logistic regression was used for testing potential associations between transition cow health event occurrence and outcome variables, including P/AI and PL. Three separate models were built for cows in first lactation, second lactation, and ≥third lactation. Overall, 20.0% (885/4,430), 34.9% (1,391/3,989), and 53.9% (3,570/6,622) of cows had at least one transition cow health event for first, second, and ≥third lactations, respectively. The most prevalent transition cow health event for first-lactation cows was metritis (10.7%; [473/4,430]), whereas second-lactation cows suffered mostly from mastitis (16.6%; [664/3,989] and KET (16.6%; [661/3,989]), and cows with ≥third lactations were mostly affected by KET (33.2%; [2,198/6,622]). We observed a negative association between inflammatory disorders (i.e., RFM, metritis, mastitis) and P/AI in all cows irrespective of parity. Metabolic disorders (i.e., MF, KET, LDA) were negatively associated with P/AI only in multiparous cows. Irrespective of parity, only uterine diseases (i.e., RFM, metritis) were significantly associated with PL. These results show that enrolling cows into a fertility protocol, such as DO, cannot overcome the carryover effects of inflammatory and metabolic disorders on P/AI and PL and highlight the importance of optimizing transition cow health as a prerequisite for achieving high fertility in a DO protocol.
Expansion and Brightness Changes in the Pulsar-Wind Nebula in the Composite Supernova Remnant Kes 75
Creators: name: Reynolds, Stephen P.
name: Borkowski, Kazimierz J.
name: Gwynne, Peter H.
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report new Chandra X-ray observations of the shell supernova remnant (SNR) Kes 75 (G29.7-0.3) containing a pulsar and pulsar-wind nebula (PWN). Expansion of the PWN is apparent across the four epochs, 2000, 2006, 2009, and 2016. We find an expansion rate between 2000 and 2016 of the NW edge of the PWN of 0.249% +/- 0.023% yr^{-1}, for an expansion age R/(dR/dt) of 400 +/- 40 years and an expansion velocity of about 1000 km s^{-1}. We suggest that the PWN is expanding into an asymmetric nickel bubble in a conventional Type IIP supernova. Some acceleration of the PWN expansion is likely, giving a true age of 480 +/- 50 years. The pulsar's birth luminosity was larger than the current value by a factor of 3 -- 8, while the initial period was within a factor of 2 of its current value. We confirm directly that Kes 75 contains the youngest known PWN, and hence youngest known pulsar. The pulsar PSR J1846-0258 has a spindown-inferred magnetic field of 5 x 10^{13} G; in 2006 it emitted five magnetar-like short X-ray bursts, but its spindown luminosity has not changed significantly. However, the flux of the PWN has decreased by about 10% between 2009 and 2016, almost entirely in the northern half. A bright knot has declined by 30% since 2006. During this time, the photon indices of the power-law models did not change. This flux change is too rapid to be due to normal PWN evolution in one-zone models.
description: 15 pages, 9 figures. Accepted by Astrophysical Journal. (Figures 1, 3, 4, and 5 degraded in quality for space reasons.)
Two-dimensional low-field nuclear magnetic resonance approach for the detection of metabolic syndrome in human serum
Creators: name: Wu, Yuchen
name: Jiang, Xiaowen
name: Chen, Yi
name: Ni, Zhonghua
name: Lu, Rongsheng
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified

description: Metabolic syndrome (MetS) has become a major public health challenge in recent years. Nuclear magnetic resonance, as a nondestructive measurement, has been widely used in medical diagnosis and screening. Compared to conventional magnetic resonance imaging and nuclear magnetic spectroscopy, low-field nuclear magnetic resonance is superior in portability, simplicity, and low-cost. In this study, a novel approach based on low-field magnetic resonance analysis is proposed to detect metabolic syndrome. T1–T2 correlation relaxometry is employed to measure human serum. Combining with a classification model based on partial least squares discriminant analysis (PLS-DA), the detection of metabolic syndrome is realized. The classification models based on both T1–T2 relaxation correlation data and spectrum are compared. Additionally, classification model based on convolutional neural networks (CNNs) is also evaluated for comparison. The experimental results indicate that the PLS-DA model based on the T1–T2 spectrum achieves a better performance. Specifically, the area under curve, accuracy, F1 score, recall and precision of the classification model evaluated on testing group are 0.784, 70.91%, 75.00%, 77.42%, and 72.73%, respectively. On the other hand, the testing results of CNN model trained using T1–T2 spectrum are 0.774, 65.45%, 61.22%, 48.39%, and 83.33% for AUC, accuracy, F1 score, recall, and precision. The experimental results reveal the limitation of CNN models on small datasets. In this study, T1–T2 correlation relaxometry is employed for the analysis of MetS for the first time, and the feasibility of proposed method has been demonstrated.
Impact of spherical nanoparticles on the nematic order parameter
Creators: name: Kyrou, C.
name: Kralj, S.
name: Panagopoulou, M.
name: Raptis, Y.
name: Nounesis, G.
name: Lelidis, I.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We study experimentally the impact of spherical nanoparticles on the orientational order parameters of a host nematic liquid crystal. We use spherical core-shell quantum dots that are surface functionalized to promote homeotropic anchoring on their interface with the liquid crystal host. We show experimentally that the orientational order may be strongly affected by the presence of spherical nanoparticles even at low concentrations. The orientational order of the composite system is probed by means of polarised micro-Raman spectroscopy and by optical birefringence measurements as function of temperature and concentration. Our data show that the orientational order depends on the concentration in a non linear way, and the existence of a crossover concentration $χ_c \approx 0.004\, pw$. It separates two different regimes exhibiting pure-liquid crystal like ($χχ_c$), respectively. In the latter phase the degree of ordering is lower with respect to the pure-liquid crystal nematic phase.
Additional file 1: of Preparation of Thermoresponsive Polymer Nanogels of Oligo(Ethylene Glycol) Diacrylate-Methacrylic Acid and Their Property Characterization
Creators: name: Hongyan Cao
name: Fenghao Guo
name: Zhiyong Chen
name: Kong, Xiang
Publisher: name: figshare
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Plant Biology

description: Figure S1. Illustration of the synthesis of thermoresponsive P(OEGDA-MAA). Figure S2. 1H NMR spectra of the monomers, oligo(ethylene glycol) diacrylate and methacrylic acid, used in the synthesis of thermoresponsive P(OEGDA-MAA). Figure S3. Potentiometric titration of thermoresponsive P(OEGDA-MAA). Figure S4. DLS diameter of P(OEGDA-MAA) hydrogel in water (1 mg/mL) at room temperature. Figure S5. Dependence of light transmittance on increasing temperature for aqueous dispersion of P(OEGDA-MAA) of different concentration (pH 1.0, 150 mM NaCl). The insets are the photos of the hydrogel at concentration of 1.0 mg/mL, taken at 25 and 60 °C, respectively. (PDF 167 kb)