cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Surface acoustic wave attenuation by a two-dimensional electron gas in a strong magnetic field
Creators: name: Knaebchen, Andreas
name: Levinson, Yehoshua
name: Entin-Wohlman, Ora
Publisher: name: arXiv
Year: 1996
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The propagation of a surface acoustic wave (SAW) on GaAs/AlGaAs heterostructures is studied in the case where the two-dimensional electron gas (2DEG) is subject to a strong magnetic field and a smooth random potential with correlation length Lambda and amplitude Delta. The electron wave functions are described in a quasiclassical picture using results of percolation theory for two-dimensional systems. In accordance with the experimental situation, Lambda is assumed to be much smaller than the sound wavelength 2*pi/q. This restricts the absorption of surface phonons at a filling factor \barν approx 1/2 to electrons occupying extended trajectories of fractal structure. Both piezoelectric and deformation potential interactions of surface acoustic phonons with electrons are considered and the corresponding interaction vertices are derived. These vertices are found to differ from those valid for three-dimensional bulk phonon systems with respect to the phonon wave vector dependence. We derive the appropriate dielectric function varepsilon(omega,q) to describe the effect of screening on the electron-phonon coupling. In the low temperature, high frequency regime T << Delta (omega_q*Lambda /v_D)^{alpha/2/nu}, where omega_q is the SAW frequency and v_D is the electron drift velocity, both the attenuation coefficient Gamma and varepsilon(omega,q) are independent of temperature. The classical percolation indices give alpha/2/nu=3/7. The width of the region where a strong absorption of the SAW occurs is found to be given by the scaling law |Delta \barν| approx (omega_q*Lambda/v_D)^{alpha/2/nu}. The dependence of the electron-phonon coupling and the screening due to the 2DEG on the filling factor leads to a double-peak structure for Gamma(\barν).
description: 17 pages, 3 Postscript figures, minor changes made
Shallow Triple Stream Three-dimensional CNN (STSTNet) for Micro-expression Recognition
Creators: name: Liong, Sze-Teng
name: Gan, Y. S.
name: See, John
name: Khor, Huai-Qian
name: Huang, Yen-Chang
Publisher: name: arXiv
Year: 2019
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In the recent year, state-of-the-art for facial micro-expression recognition have been significantly advanced by deep neural networks. The robustness of deep learning has yielded promising performance beyond that of traditional handcrafted approaches. Most works in literature emphasized on increasing the depth of networks and employing highly complex objective functions to learn more features. In this paper, we design a Shallow Triple Stream Three-dimensional CNN (STSTNet) that is computationally light whilst capable of extracting discriminative high level features and details of micro-expressions. The network learns from three optical flow features (i.e., optical strain, horizontal and vertical optical flow fields) computed based on the onset and apex frames of each video. Our experimental results demonstrate the effectiveness of the proposed STSTNet, which obtained an unweighted average recall rate of 0.7605 and unweighted F1-score of 0.7353 on the composite database consisting of 442 samples from the SMIC, CASME II and SAMM databases.
description: 5 pages, 1 figure, Accepted and published in IEEE FG 2019
Material culture in Fifteenth-century England: the case of Sir John Fastolf (1380-1459)
Creators: name: Fraser, Lesley
Publisher: name: The University of Edinburgh
Year: 2023
Subjects: John Fastolf
Fastolf as consumer
Caister Castle
fifteenth-century English patronage
tapestries
English patrons
Fastolf’s book collection
fifteenth-century English literary culture.

description: John Fastolf (1380-1459) from a minor gentry family in Norfolk, spent much of his adult life as a soldier in the Lancastrian Wars in France, becoming enormously wealthy in the process thanks largely to the ‘spoils of war’. The subject of this thesis is an investigation of Fastolf’s expenditure of this great wealth, with particular focus on his acquisition of material goods. Current scholarly interpretations of Fastolf are built on the assumption that he maintained a high degree of outward estate, filling Caister Castle, his family home in Norfolk, with costly material possessions. However, assessments of Fastolf as a consumer are based on little more than two inventories cataloguing the goods at Caister. Superficially, the catalogued items appear to constitute an extensive array of expensive merchandise. In reality, close inspection of the documentation reveals a commonplace assortment. As for Fastolf’s taste for lavish expenditure, analysis of his financial accounts reveals that he kept spending to a minimum. This policy enabled an accumulation of large cash reserves, much of which facilitated his various business ventures, including speculating on the grain market and his long-term policy of lending money at interest. A reassessment of Fastolf’s acquisition of material goods carries important implications for fifteenth-century English patronage generally. A case in point is Fastolf’s tapestries, regularly cited as robust evidence of his proclivities for ostentatious display. This is based on an understanding of tapestry as an extremely costly product. However, a range of primary source documents reveal that low- and medium-quality tapestries were collected by the majority of English patrons. A significant aspect of this thesis is a consideration of the source of these tapestries, and the possibility that some may have been woven in England. Firmly held views of Fastolf as a cultured bibliophile are similarly open to question. In particular, the proposition that Fastolf’s book collection not only surpassed the libraries of other English households in terms of literary merit, but that these volumes once graced the French royal library. Apart from the observation that there are no rare titles, nothing that does not appear in other English sources, this assumption takes no account of the vibrancy of fifteenth-century English literary culture. A fundamental aspect of this thesis is a consideration of Fastolf’s acquisitions within the socio-economic framework of the period. To this end a wide range of ancillary contemporary English source material has been consulted, including: parliamentary records; Plea and Memoranda Rolls of the City of London; inventories and household accounts; as well as the writings of contemporary chroniclers, poets, and advisory texts.
РЕЗУЛЬТАТЫ ОПЕРАТИВНОГО ЛЕЧЕНИЯ СПАСТИЧЕСКИХ ФОРМ ДЦП НИЖНЕЙ КОНЕЧНОСТИ У ДЕТЕЙ
Creators: name: Буриев, Мурадулло
Publisher: name: Zenodo
Year: 2024

description: Цель исследования. Улучшение исходов лечения больных со спастической формой ДЦП нижних конечностей. Методы. Проведения подготовки в виде лечебно-диагностического комплекса, который включал серию тестов и применение методов операции учетов степени тяжести и локализации контрактур в нижней конечности. Результаты. Внедрение в лечебную тактику одноэтапной многоуровневой хирургической коррекции спастической ДЦП нижних конечностей у детей с комплексом восстановительного лечение дает в послеоперационном периоде до 71% случаев хорошие результаты.  Выводы. Определены показания к хирургическому лечению больных со спастической формой ДЦП нижних конечностей с учетом степени тяжести патологии. Приоритетным остается применение одноэтапного многоуровневого оперативного вмешательства при коррекции спастических форм ДЦП нижних конечностей у детей.
title: Studies on the Influence of Infecting Dose on the Severity of Disease
Creators: name: Glynn, JR
Publisher: name: London School of Hygiene & Tropical Medicine
Year: 1993

description: The influence of inoculum size on severity of disease for those organisms which multiply in the host is uncertain and not often addressed: the infecting dose is not known in natural situations. Experimental studies, where the dose is known, arc discussed, as well as different natural situations in which the relative dose can be inferred. The advantages and drawbacks of the various methods are debated. The following sections focus on two infections: salmonellae and malaria. For salmonellae, natural infections are compared using indirect markers of dose: incubation period, attack rate and type of vehicle. No evidence of a dose-severity relationship is found for typhoid, whereas there is some evidence for such a relationship for the food-poisoning salmonellae. Analysis of typhoid volunteer data suggests a dose-severity relationship; the critical role of illness definition in determining the findings is discussed. Malaria therapy for neurosyphilis provides a unique source of information on large numbers of human subjects in whom a disease was induced artificially. An extensive review of the malaria literature provides no conclusive evidence on the relationship between dose and severity. The original records for patients from the Horton hospital in Epsom are analysed. Among 589 non- immune patients receiving vivax and 81 receiving ovale, who were not treated within the first 5 days, no consistent relationships are found between any direct measure of dose (mosquito number, sporozoite number, or trophozoite number) and any measure of severity including peak fever and parasitaemia levels. Dose is inversely proportional to prepatent period, and patients with longer prepatent periods are more likely to have tertian fever, undergo spontaneous recovery and not to get modifying treatment The implications of these findings for the pathogenesis of malaria and for natural malaria are discussed. The final section explores more general issues of the relationship between dose and pathogenesis.
Border by Water
Creators: name: Collins, Rebecca
name: Linsley, Johanna
Publisher: name: Something Other
Year: 2018
Subjects: noise
silence
listening
politics
public space
eavesdropping
Felilxstowe
creative and critical writing
sound
Stolen Voices
Sonic Detection

description: This is an online chapter for 'Something Other' a creative critical writing platform. The text was created at the invitation of Diana Damian Martin. The text has been published in 'The Fifth Chapter: on Silences & Noise'. A version is deposited here to coincide with the 'Stolen Voices' DataShare collection that is housed on the University of Edinburgh repository https://datashare.ed.ac.uk/handle/10283/4419. This writing is connected to forthcoming publication 'Sonic Detection: A Polygraph' (Santa Barbara, ca: punctum books). A physical archive of research data is held at the Theatre Collection, University of Bristol.
description: The mode of attention for both silences and noise is, of course, listening. In an extract from their Stolen Voices project, Johanna Linsley and Rebecca Collins perform listening, both as a result of and in response to the politics of public space.
The form factors of the nucleon at small momentum transfer
Creators: name: Bernard, Véronique
name: Fearing, Harold W.
name: Hemmert, Thomas R.
name: Meißner, Ulf-G.
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the low energy expansion of the nucleon's electroweak form factors in the framework of an effective chiral Lagrangian including pions, nucleons and the $Delta (1232)$. We work to third order in the so-called small scale expansion and compare the results with the ones previously obtained in the chiral expansion. In addition, these calculations serve as a first exploratory study of renormalization and decoupling within the small scale expansion.
description: 21 pp, RevTeX, uses epsf, 4 figs, minor corrections, accepted for publication in Nucl.Phys.A
title: Essays on Organizational Ambidexterity and Diversity Management from an International Perspective
title: Essays über organisatorische Ambidextrie und Diversitätsmanagement aus einer internationalen Perspektive
titleType: AlternativeTitle
Creators: name: Müller, Lucas Alexander
Publisher: name: Philipps-Universität Marburg
Year: 2022
Subjects: innovation management
Organisationale Ambidexterie
Technologie- und Innovationsmanagement
radical innovation
Kultur
culture
Diversität
international management
Organizational ambidexterity
Internationales Management
diversity
Economics
Wirtschaft

description: Die vorliegende Dissertation besteht aus vier Artikeln, von denen die ersten drei empirisch basiert sind. Während sich die ersten beiden Artikel mit der Kontextualisierung der organisationalen Ambidextrie aus statischer (Essay 1) und dynamischer Perspektive (Essay 2) mit interkulturellen Unterschieden beschäftigen, wirft Essay 3 einen Blick in das erfolgreiche Management von diversen Teams und identifiziert Tiefenhomogenität als organisationalen Treiber für den Erfolg einer oberflächlich hochdiversen Belegschaft. Das empirisch basierte und kontextualisierte dreistufige Managementmodell wird in Essay 4 aus praktischer Perspektive beleuchtet.
Ecotourism as a Trigger for Economic Development: A Resource-Based View of Calabria
Creators: name: Cantafio, Giuseppe
name: Nadda, Vipin
Publisher: name: American University of Bahrain
Year: 2025
Subjects: classificationCode: 38
subject: Economics
classificationCode: 3508
subject: Tourism
subject: FOS: Economics and business
classificationCode: 350107
subject: Sustainability accounting and reporting

description: Peripheral Mediterranean regions, such as Calabria, have an urgent need to revitalise the economy through better use of natural resources. The increase in tourism can bring the sought after foreign exchange, resulting in the development of small and medium local enterprises. The chapter aims at evaluating the potential of the Calabria region. This was done by carrying out an analysis of a resource-based view of the aforementioned region. A list of potential nature-based tourism resource sites was identified and discussed. This study highlighted key findings and recommendations to policymakers.
Unsupervised Identification of Disease Marker Candidates in Retinal OCT Imaging Data
Creators: name: Seeböck, Philipp
name: Waldstein, Sebastian M.
name: Klimscha, Sophie
name: Bogunovic, Hrvoje
name: Schlegl, Thomas
name: Gerendas, Bianca S.
name: Donner, René
name: Schmidt-Erfurth, Ursula
name: Langs, Georg
Publisher: name: arXiv
Year: 2018
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: The identification and quantification of markers in medical images is critical for diagnosis, prognosis, and disease management. Supervised machine learning enables the detection and exploitation of findings that are known a priori after annotation of training examples by experts. However, supervision does not scale well, due to the amount of necessary training examples, and the limitation of the marker vocabulary to known entities. In this proof-of-concept study, we propose unsupervised identification of anomalies as candidates for markers in retinal Optical Coherence Tomography (OCT) imaging data without a constraint to a priori definitions. We identify and categorize marker candidates occurring frequently in the data, and demonstrate that these markers show predictive value in the task of detecting disease. A careful qualitative analysis of the identified data driven markers reveals how their quantifiable occurrence aligns with our current understanding of disease course, in early- and late age-related macular degeneration (AMD) patients. A multi-scale deep denoising autoencoder is trained on healthy images, and a one-class support vector machine identifies anomalies in new data. Clustering in the anomalies identifies stable categories. Using these markers to classify healthy-, early AMD- and late AMD cases yields an accuracy of 81.40%. In a second binary classification experiment on a publicly available data set (healthy vs. intermediate AMD) the model achieves an area under the ROC curve of 0.944.
description: Accepted for publication in IEEE Transactions on Medical Imaging, 2018
A Particle-Hole-Symmetric Model for a Paired Fractional Quantum Hall State in a Half-filled Landau Level
Creators: name: Hutzel, William
name: McCord, John J.
name: Raum, P. T.
name: Stern, Ben
name: Wang, Hao
name: Scarola, V. W.
name: Peterson, Michael R.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The fractional quantum Hall effect (FQHE) observed at half filling of the second Landau level is believed to be caused by a pairing of composite fermions captured by the Moore-Read Pfaffian wave function. The generating Hamiltonian for the Moore-Read Pfaffian is a purely three-body model that breaks particle-hole symmetry and lacks other properties, such as dominate two-body repulsive interactions, expected from a physical model of the FQHE. We use exact diagonalization to study the low energy states of a more physical two-body generator model derived from the three-body model. We find that the two-body model exhibits the essential features expected from the Moore-Read Pfaffian: pairing, non-Abelian anyon excitations, and a neutral fermion mode. The model also satisfies constraints expected for a physical model of the FQHE at half-filling because it is: short range, spatially decaying, particle-hole symmetric, and supports a roton mode with a robust spectral gap in the thermodynamic limit. Hence, this two-body model offers a bridge between artificial three-body generator models for paired states and the physical Coulomb interaction and can be used to further explore properties of non-Abelian physics in the FQHE.
description: 11 pages, 11 figures, 3 appendices; Version 3 corrects a mislabeled Grant number in the Acknowledgments
Theory of Beauty Lifetimes
Creators: name: Neubert, Matthias
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A critical review of the theoretical understanding of the lifetimes of beauty hadrons is given. A model-independent analysis using the heavy-quark expansion allows for a description of the lifetime ratios tau(B-)/tau(B0) and tau(Lambda_b)/tau(B0) in a small region of parameter space. It is demonstrated that the lifetime ratio tau(B-)/tau(B0) cannot be used to extract the decay constant of the B meson. Implications for the semileptonic branching ratio and charm yield in B decays are pointed out.
description: 13 pages, 4 figures embedded. Invited talk presented at the Second International Conference on B Physics and CP Violation, Honolulu, Hawaii, 24-27 March 1997
C-theorem for two dimensional chiral theories
Creators: name: Bastianelli, Fiorenzo
name: Lindstrom, Ulf
Publisher: name: arXiv
Year: 1996
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We discuss an extension of the $C$-theorem to chiral theories. We show that two monotonically decreasing $C$-functions can be introduced. However, their difference is a constant of the renormalization group flow. This constant reproduces the 't Hooft anomaly matching conditions.
description: 7 pages, uses harvmac.tex
Selective optomechanically-induced amplification with driven oscillators
Creators: name: Lu, Tian-Xiang
name: Jiao, Ya-Feng
name: Zhang, Hui-Lai
name: Saif, Farhan
name: Jing, Hui
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study optomechanically-induced transparency (OMIT) in a compound system consisting of an optical cavity and an acoustic molecule, which features not only double OMIT peaks but also light advance. We find that by selectively driving one of the acoustic modes, OMIT peaks can be amplified either symmetrically or asymmetrically, accompanied by either significantly enhanced advance or a transition from advance to delay of the signal light. The sensitive impacts of the mechanical driving fields on the optical properties, including the signal transition and its high-order sidebands, are also revealed. Our results confirm that selective acoustic control of OMIT devices provides a versatile route to achieve multi-band optical modulations, weak-signal sensing, and coherent communications of light.
description: accepted by Phys. Rev. A
title: AN, Registre des écrous du Châtelet, Y5266, f. p1000598
Creators: name: Claustre, Julie
name: Nationales, Archives
name: Archives Nationales
name: Claustre, Julie
name: ArchivesNationales/J.CLAUSTRE/H.REGAZZI/2020
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Châtelet
subject: registre

description: Registre des écrous du Châtelet, Archives Nationales, Y5266. Numérisation en mode image.
description: Bibliographic citation: Archives Nationales, Registre des écrous du Châtelet, Y5266, f. p1000598
Hidden and explicit quantum scale invariance
Creators: name: Mooij, Sander
name: Shaposhnikov, Mikhail
name: Voumard, Thibault
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: There exist renormalisation schemes that explicitly preserve the scale invariance of a theory at the quantum level. Imposing a scale invariant renormalisation breaks renormalisability and induces new non-trivial operators in the theory. In this work, we study the effects of such scale invariant renormalisation procedures. On the one hand, an explicitly quantum scale invariant theory can emerge from the scale invariant renormalisation of a scale invariant Lagrangian. On the other hand, we show how a quantum scale invariant theory can equally emerge from a Lagrangian visibly breaking scale invariance renormalised with scale dependent renormalisation (such as the traditional MS-bar scheme). In this last case, scale invariance is hidden in the theory, in the sense that it only appears explicitly after renormalisation.
description: Minor changes, updated references, matches published version
Additional file 2: of Encapsulated miR-200c and Nkx2.1 in a nuclear/mitochondria transcriptional regulatory network of non-metastatic and metastatic lung cancer cells
Creators: name: DâAlmeida, Olga
name: Mothar, Omar
name: Bondzie, Esther
name: Lieumo, Yolande
name: Tagne, Laure
name: Sumeet Gupta
name: Volkert, Thomas
name: Levine, Stuart
name: Jean-Bosco Tagne
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Physiology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: Computational Biology

description: Table S1. Genes: Table of the 20 most significantly differentially expressed genes. KW_treated and KW_untreated columns show group average FPKM values. FPKM is a unit of measurement of gene expression (fragments per kilobase of transcript per million mapped reads). Transcripts with the highest fold change between groups are shown at the top of the table. The fold change is the log2-fold change in FPKM between the KW_treated and KW_untreated groups. q-values shown are p-values that have been adjusted using the Benjamini-Hochberg false discovery rate (FDR) approach to correct for multiple testing. As a general guide, fold changes with q-values below 0.05 are considered significant. Table S2. Genes: Table of the 20 most significantly differentially expressed genes. LN_treated and LN_untreated columns show group average FPKM values. FPKM is a unit of measurement of gene expression (fragments per kilobase of transcript per million mapped reads). Transcripts with the highest fold change between groups are shown at the top of the table. The fold change is the log2-fold change in FPKM between the LN_treated and LN_untreated groups. q-values shown are p-values that have been adjusted using the Benjamini-Hochberg false discovery rate (FDR) approach to correct for multiple testing. As a general guide, fold changes with q-values below 0.05 are considered significant. Table S3. Genes: Table of the 20 most significantly differentially expressed genes. T4_treated and T4_untreated columns show group average FPKM values. FPKM is a unit of measurement of gene expression (fragments per kilobase of transcript per million mapped reads). Transcripts with the highest fold change between groups are shown at the top of the table. The fold change is the log2-fold change in FPKM between the T4_treated and T4_untreated groups. q-values shown are p-values that have been adjusted using the Benjamini-Hochberg false discovery rate (FDR) approach to correct for multiple testing. As a general guide, fold changes with q-values below 0.05 are considered significant. (DOCX 18 kb)
Demonstration of resonant inelastic X-ray scattering as a probe of exciton-phonon coupling
Creators: name: Geondzhian, Andrey
name: Gilmore, Keith
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Resonant inelastic X-ray scattering (RIXS) is a promising technique for obtaining electron-phonon coupling constants. However, the ability to extract these coupling constants throughout the Brillouin zone for crystalline materials remains limited. To address this need, we developed a Green's function formalism to capture electron-phonon contributions to core-level spectroscopies without explicitly solving the full vibronic problem. Our approach is based on the cumulant expansion of the Green's function combined with many-body theory calculated vibrational coupling constants. The methodology is applied to X-ray photoemission spectroscopy, X-ray absorption spectroscopy (XAS), and RIXS. In the case of the XAS and RIXS, we use a 2-particle exciton Green's function, which accounts implicitly for particle-hole interference effects that have previously proved difficult. To demonstrate the methodology and gain a deeper understanding of the experimental technique, we apply our formalism to small molecules, for which unambiguous experimental data exist. This comparison reveals that the vibronic coupling constant probed by RIXS is in fact related to exciton-phonon coupling rather than electron-phonon coupling, challenging the conventional interpretation of the experiment.
Quantum Phase Fluctuations Responsible for Pseudogap
Creators: name: Gusynin, V. P.
name: Loktev, V. M.
name: Quick, R. M.
name: Sharapov, S. G.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The effect of ordering field phase fluctuations on the normal and superconducting properties of a simple 2D model with a local four-fermion attraction is studied. Neglecting the coupling between the spin and charge degrees of freedom an analytical expression has been obtained for the fermion spectral function as a single integral over a simple function. From this we show that, as the temperature increases through the 2D critical temperature and a nontrivial damping for a phase correlator develops, quantum fluctuations fill the gap in the quasiparticle spectrum. Simultaneously the quasiparticle peaks broaden significantly above the critical temperature, resembling the observed pseudogap behavior in high-T_c superconductors.
description: 5 pages, ReVTeX, 1 EPS figure; final version to appear in Physica C
Guía de Ética en Telesalud (Telehealth Ethics Guide)
Creators: name: Erazo, Brian
name: Amador, Juan
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 420302
subject: Digital health
classificationCode: 420308
subject: Health informatics and information systems

description: Document that describes ethical limits and recommendations for the implementation of telehealth in Latin American context.
Exceptional magnetic sensitivity of PT-symmetric cavity magnon polaritons
Creators: name: Cao, Yunshan
name: Yan, Peng
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Achieving magnetometers with ultrahigh sensitivity at room temperature is an outstanding problem in physical sciences and engineering. Recently developed non-Hermitian cavity spintronics offers new possibilities. In this work we predict an exceptional magnetic sensitivity of cavity magnon polaritons with the peculiar parity-time (PT) symmetry. Based on the input-output formalism, we demonstrate a "Z"-shape spectrum including two sideband modes and a dark-state branch with an ultranarrow linewidth in the exact PT phase. The spectrum evolves to a step function when the polariton touches the third-order exceptional point, accompanied by an ultrahigh sensitivity with respect to the detuning. The estimated magnetic sensitivity can approach 10^{-15}T Hz^{-1/2} in the strong coupling region, which is two orders of magnitude higher than that of the state-of-the-art magnetoelectric sensor. We derive the condition for the noiseless sensing performance. Purcell-like effect is observed when the PT symmetry is broken. A possible experimental scheme to realize our proposal is also discussed.
description: 10 pages, 6 figures
title: The Relationship Between Habitat Structure and Small Mammal Communities in Southeastern Virginia and Northeastern North Carolina
Creators: name: Everton, Roger Keith
Publisher: name: Old Dominion University
publisherIdentifier: https://ror.org/04zjtrb98
publisherIdentifierScheme: ROR
Year: 1985

description: A variety of terrestrial habitats was pitfall trapped in the vicinity of the Great Dismal Swamp of eastern Virginia and North Carolina to evaluate the small mammal community within the region. Habitat variables were measured at the end of the growing season on 21 0.25 ha grids. Four multivariate tests were used to examine the small mammal communities, their relationship with habitat structure, and the role of habitat selection in community structure.

Cluster and ordination analysis revealed the existence of two distinct associations of small mammals, and their habitat types, within the region. The small mammal associations were interpreted as lowland (Synaptomys, Sorex, and Blarina) and upland (Reithrodontomys, Cryptotis, and Microtus) communities based upon their general habitat requirements and the existing habitat patterns within the region. Peromyscus, due to its ubiquitous nature, was not strongly associated with either group.

The analysis of habitat and species data by principal components and discriminant function analyses revealed that a combination of habitat variables was selected by small mammal species and was important in the observed community patterns. Differences in soil, woody and herbaceous components, and structural diversity were key habitat variables that distinguished lowland from upland habitats and their corresponding small mammal associations. Physiographic and structural features were important variables to define within-group differences. Sorex and Blarina could exploit habitats that were less structurally diverse than could Synaptomys, although they all reached their optimum in more diverse habitats. Cryptotis and Reithrodontomys inhabited structurally more complex and better drained habitats than Microtus, which was only found in open, homogeneously grassy habitats.

The results of the study indicate a strong relationship between habitat structure and habitat use by the mammal species. These results suggest that habitat selection is a dominant force in the structuring of small mammal communities in the region.
Long-distance contributions to the K_L --> mu+ mu- decay width
Creators: name: Dumm, D. Gomez
name: Pich, A.
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The dispersive two-photon contribution to the K_L --> mu+ mu- decay amplitude is analyzed, using chiral perturbation theory techniques and large-N_C considerations. A consistent description of the decays Pi^0 --> e+ e-, Eta --> mu+ mu- and K_L --> mu+ mu- is obtained. As a byproduct, one predicts Br(Eta --> e+ e-) = (5.8+-0.2) x 10^-9 and Br(K_L --> e+ e-) = (9.0+-0.4) x 10^-12.
description: 9 pages incl. 1 eps figure, REVTeX. Final version, to appear in Phys. Rev. Lett
Correlated ground states with (spontaneously) broken time-reversal symmetry
Creators: name: Farid, Behnam
Publisher: name: arXiv
Year: 1996
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We propose a self-consistent scheme for the determination of the ground-state (GS) properties of interacting electrons in a magnetic field, and of systems whose GS's time-reversal-symmetry (TRS) is spontaneously broken. It is based on a newly-developed many-body perturbation theory that is valid, irrespective of the strength of correlation, provided the GS number densities $n_{\uparrow}({\bf r})$, $n_{\downarrow}({\bf r})$, and the {\sl total} paramagnetic particle flux density are pure-state non-interacting $v$-representable. Our approach can in particular be applied to (modulated) two-dimensional electron systems in the fractional quantum-Hall regime.
description: 4 pages, 2 figures; fig. 2 corrected & 2 references added
THE SUCCESS FACTORS OF THE ERP IMPLEMENTATION PROJECT  AND HOW THEY AFFECT THE SUCCESS OF THE IMPLEMENTATION  AT SOMTEL TELECOM
Creators: name: Abdirahim, Mohamed Ibrahim
Publisher: name: Zenodo
Year: 2025
Subjects: SUCCESS
FACTORS
ERP IMPLEMENTATION PROJECT
AFFECT THE
SUCCESS OF THE IMPLEMENTATION AT SOMTEL TELECOM

description: Abstract

The purpose of this report is to evaluate the impact of Somtel Telecom Somalia’s top management support, user involvement, vendor support, training, and project management in achieving successful ERP implementation. This is important because the SomaTel Multinational Telecom Company successfully introduced its ERP System implementation with little resistance. 

Participants who took part in the ERP implementation process such as project managers, IT experts, and employees were surveyed and interviewed using the mixed methods strategy. A combination of qualitative and quantitative methods was employed to achieve a comprehensive overview of the subject-matter scope. Based on gathered data, it was noted that there is a noticeable correlation between commitment from the top management of the organization, and user training features alongside engagement levels to the success of ERP projects. In contrary, budgetary limitations, complexity in integrating systems, and change aversion were classified as hurdles to fully adopting ERP. Furthermore, enhanced training programs and improved users’ engagement offer great potential in building a more positive environment for successful ERP implementations.

The research results consider the need for an adequate implementation strategy, sufficient training, and post-installation support in order to ensure accurate functioning of the ERP system. Other recommendations are to strengthen users’ management participation, create an innovation friendly environment, and follow scientific methods in project management to increase ERP acceptance. These are also useful for policymakers, IT managers, and business executives that want to increase the efficacy of ERP systems in Somalia.
Helicoidal particles in turbulent flows with multi-scale helical injection
Creators: name: Biferale, Luca
name: Gustavsson, Kristian
name: Scatamacchia, Riccardo
Publisher: name: arXiv
Year: 2018
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We present numerical and theoretical results concerning the properties of turbulent flows with strong multi-scale helical injection. We perform direct numerical simulations of the Navier-Stokes equations under a random helical stirring with power-law spectrum and with different intensities of energy and helicity injections. We show that there exists three different regimes where the forward energy and helicity inertial transfers are: (i) both leading with respect to the external injections, (ii) energy transfer is leading and helicity transfer is sub-leading and (iii) both are sub-leading and helicity is maximal at all scales. As a result, the cases (ii-iii) give flows with Kolmogorov-like inertial energy cascade and tuneable helicity transfers/contents. We further explore regime (iii) by studying its effect on the kinetics of point-like isotropic helicoids, particles whose dynamics is isotropic but breaks parity invariance. We investigate small-scale fractal clustering and preferential sampling of intense helical flow structures. Depending on their structural parameters, the isotropic helicoids either preferentially sample co-chiral or anti-chiral flow structures. We explain these findings in limiting cases in terms of what is known for spherical particles of different densities and degrees of inertia. Furthermore, we present theoretical and numerical results for a stochastic model where dynamical properties can be calculated using analytical perturbation theory. Our study shows that a suitable tuning of the stirring mechanism can strongly modify the small-scale turbulent helical properties and demonstrates that isotropic helicoids are the simplest particles able to preferentially sense helical properties in turbulence.
Comment on ``Stripes and the t-J Model''
Creators: name: White, Steven R.
name: Scalapino, D. J.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: This is a comment being submitted to Physical Review Letters on a recent letter by Hellberg and Manousakis on stripes in the t-J model.
description: One reference corrected
A low-rank projector-splitting integrator for the Vlasov--Maxwell equations with divergence correction
Creators: name: Einkemmer, Lukas
name: Ostermann, Alexander
name: Piazzola, Chiara
Publisher: name: arXiv
Year: 2019
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: The Vlasov--Maxwell equations are used for the kinetic description of magnetized plasmas. As they are posed in an up to 3+3 dimensional phase space, solving this problem is extremely expensive from a computational point of view. In this paper, we exploit the low-rank structure in the solution of the Vlasov equation. More specifically, we consider the Vlasov--Maxwell system and propose a dynamic low-rank integrator. The key idea is to approximate the dynamics of the system by constraining it to a low-rank manifold. This is accomplished by a projection onto the tangent space. There, the dynamics is represented by the low-rank factors, which are determined by solving lower-dimensional partial differential equations. The proposed scheme performs well in numerical experiments and succeeds in capturing the main features of the plasma dynamics. We demonstrate this good behavior for a range of test problems. The coupling of the Vlasov equation with the Maxwell system, however, introduces additional challenges. In particular, the divergence of the electric field resulting from Maxwell's equations is not consistent with the charge density computed from the Vlasov equation. We propose a correction based on Lagrange multipliers which enforces Gauss' law up to machine precision.
How quark hadron duality in QCD may work
Creators: name: Blok, B.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We pursue the issue of the local quark-hadron duality at high energies in two- and four-dimensional QCD. A mechanism of the dynamical realization of the quark-hadron duality in two-dimensional QCD in the limit of large number of colors, $N_c \to \infty$, (the ' t Hooft model) is investigated. We argue that a similar mechanism of dynamical smearing may be relevant in four-dimensional QCD. Although particular details of our results are model-dependent (especially in the latter case), the general features of the duality implementation conjectured previously get further support.
description: Talk at QCD-97 Euroconference, Montpellier,France, July 1997. Technion preprint, 18 pp
Additional file 1: of Effect of diet with or without exercise on abdominal fat in postmenopausal women â a randomised trial
Creators: name: Gemert, Willemijn
name: Peeters, Petra
name: May, Anne
name: Doornbos, Adriaan
name: Elias, Sjoerd
name: Palen, Job
name: Veldhuis, Wouter
name: Stapper, Maaike
name: Schuit, Jantine
name: Monninkhof, Evelyn
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Biotechnology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Plant Biology
subject: FOS: Biological sciences

description: Figure S1. Illustration of the abdominal fat assessment method using the semi-automated HippoFat software. a The fat weighted images of a single MRI slice. b As a first step, a line is drawn manually around the subcutaneous fat volume to create a region of interest. Thereafter, the software determines the area that contains non-black pixels in this region of interest, the line is adjusted and an area is given in cm2. If necessary, the line can be adjusted manually again and the area can be recalculated. c To determine the amount of visceral fat, a line is drawn manually around the intra-abdominal space to create a region of interest. The vertebrae and psoas muscles were left out of this region. d The HippoFat software determines a curve that fits the grey values of the visceral fat. On the screen, all pixels that are included are coloured red and the curve is adjusted manually based on visual checking, so that the visceral fat is covered properly. An area in cm2 is given automatically by the software. (DOCX 521 kb)
Correlations of Eigenfunctions in Disordered Systems
Creators: name: Blanter, Ya. M.
name: Mirlin, A. D.
Publisher: name: arXiv
Year: 1996
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Correlations of eigenfunctions, $\langle|ψ_k(r_1)|^2|ψ_l(r_2)|^2\rangle$, in a disordered system are investigated. We derive general formulae expressing these correlation functions in terms of the supermatrix sigma-model. In particular case of weak localization regime we find that the correlations of the same eigenfunction are proportional to $g^{-1}$ for large distances, while the correlations of two different eigenfunctions cross over from $g^{-1}$ behavior for $r_1=r_2$ to $g^{-2}$ one for $\vert r_1 - r_2 \vert \gg l$, with $g$ and $l$ being the dimensionless conductance and the mean free path, respectively.
description: Revised and extended version; some errors are corrected. 4 pages
Computational Design of Flexible Electrides with Non-trivial Band Topology
Creators: name: Zhu, Sheng-cai
name: Wang, Lei
name: Qu, Jing-yu
name: Wang, Jun-jie
name: Frolov, Timofey
name: Chen, Xing-Qiu
name: Zhu, Qiang
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Electrides, with their excess electrons distributed in crystal cavities playing the role of anions, exhibit a variety of unique electronic and magnetic properties. In this work, we employ the first-principles crystal structure prediction to identify a new prototype of A$_3$B electride in which both interlayer spacings and intralayer vacancies provide channels to accommodate the excess electrons in the crystal. This A$_3$B type of structure is calculated to be thermodynamically stable for two alkaline metals oxides (Rb$_3$O and K$_3$O). Remarkably, the unique feature of multiple types of cavities makes the spatial arrangement of anionic electrons highly flexible via elastic strain engineering and chemical substitution, in contrast to the previously reported electrides characterized by a single topology of interstitial electrons. More importantly, our first-principles calculations reveal that Rb$_3$O is a topological Dirac nodal line semimetal, which is induced by the Rb-$s$ $\rightarrow$ O-$p$ band inversion at the general electronic k momentums in the Brillouin zone associated with the intersitial electric charges. The discovery of flexible electride in combining with topological electronic properties opens an avenue for electride design and shows great promises in electronic device applications.
description: 15 pages, 12 figures
The Development of Artificial Intelligence and its role in our lives
Creators: name: Khudaynazarov, Bakhodir
Publisher: name: Zenodo
Year: 2025

description: Artificial Intelligence (AI) refers to a collection of technologies aimed at replicating mental functions such as thinking, decision-making, learning, understanding language, and communication in computer systems. AI systems can have the ability to self-learn, make decisions based on rules, reason logically, and even understand emotions, which are typically human traits. These technologies allow computers and robots to learn, replicate, and make decisions based on human intelligence and behavior.
Systems for Handling Grocery Products from Supplier to Distribution Warehouse
Creators: name: Bouma, John C.
name: Shaffer, Paul F.
name: Bouma, John C.
name: Shaffer, Paul F.
Publisher: name: Unknown
Year: 1978
Subjects: subject: Labor and Human Capital
subject: Marketing
subject: FOS: Economics and business
subject: Production Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods

description: Excerpts from the report: The first objective of this study was to measure the costs and determine the relative advantages and disadvantages of various systems for handling grocery products from suppliers to distribution warehouses. The second objective was to determine problems and recommend methods for their solution so as to reduce the overall cost of distributing grocery products. There are cost benefits for suppliers and distributors if current problems can be resolved, such as the tie and height of unit loads. A third objective was to determine the feasibility and possible benefits of a supplier-distribution warehouse program using unitized shipping with smaller units, such as 40- by 32-inch platforms. Finally the study was intended to provide research data to assist supplier and distribution warehouse management in deciding which handling system was most efficient for its use.
MPEC 2024-B115 : 2024 BR2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 BR2

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.