cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Separable and Inseparable Quantum Trajectories
Creators: name: Sperling, J.
name: Walmsley, I. A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The dynamical behavior of interacting systems plays a fundamental role for determining quantum correlations, such as entanglement. In this Letter, we describe temporal quantum effects of the inseparable evolution of composite quantum states by comparing the trajectories to their classically correlated counterparts. For this reason, we introduce equations of motions describing the separable propagation of any interacting quantum system, which are derived by requiring separability for all times. The resulting Schroedinger-type equations allow for comparing the trajectories in a separable configuration with the actual behavior of the system and, thereby, identifying inseparable and time-dependent quantum properties. As an example, we study bipartite discrete- and continuous-variable interacting systems. The generalization of our developed technique to multipartite scenarios is also provided.
description: close to published version
Lattice Quantum Monte Carlo Study of Chiral Magnetic Effect in Dirac Semimetals
Creators: name: Boyda, D. L.
name: Braguta, V. V.
name: Katsnelson, M. I.
name: Kotov, A. Yu.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this paper Chiral Magnetic Effect (CME) in Dirac semimetals is studied by means of lattice Monte Carlo simulation. We measure conductivity of Dirac semimetals as a function of external magnetic field in parallel $σ_{\parallel}$ and perpendicular $σ_{\perp}$ to the external field directions. The simulations are carried out in three regimes: semimetal phase, onset of the insulator phase and deep in the insulator phase. In the semimetal phase $σ_{\parallel}$ grows whereas $σ_{\perp}$ drops with magnetic field. Similar behaviour was observed in the onset of the insulator phase but conductivity is smaller and its dependence on magnetic field is weaker. Finally in the insulator phase conductivities $σ_{\parallel, \perp}$ are close to zero and do not depend on magnetic field. In other words, we observe manifestation of the CME current in the semimetal phase, weaker manifestation of the CME in the onset of the insulator phase. We do not observe signatures of CME in the insulator phase. We believe that the suppression of the CME current in the insulator phase is connected to chiral symmetry breaking and generation of dynamical fermion mass which take place in this phase.
description: 6 pages, 4 figures
On the Y-DNA of Jesus of Nazareth
Creators: name: Smith, John
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: An ancient dilemma for Christianity is that a) the Jewish Messiah must according to prophecy be a member of the house of David, and the tribe of Judah, but b) house and tribal identity are inherited only through the male line, and Jesus lacked a human father, albeit that Joseph belonged to the house of David. Here a resolution of this dilemma is offered, a resolution that arises in the context of a non-Darwinian approach to genetic genealogy.
On the Y-DNA of Jesus of Nazareth
Creators: name: Smith, John
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: An ancient dilemma for Christianity is that a) the Jewish Messiah must according to prophecy be a member of the house of David, and the tribe of Judah, but b) house and tribal identity are inherited only through the male line, and Jesus lacked a human father, albeit that Joseph belonged to the house of David. Here we offer a resolution of this dilemma, a resolution that arises in the context of a non-Darwinian approach to genetic genealogy.
A complex interplay of anionic phospholipid binding regulates 3'-phosphoinositide-dependent-kinase-1 homodimer activation.
Creators: name: Heras-Martínez, Gloria De Las
name: Calleja, Véronique
name: Bailly, Remy
name: Dessolin, Jean
name: Banafshé Larijani
name: Requejo-Isidro, Jose
Publisher: name: The Francis Crick Institute
Year: 2020
Subjects: Chemical Biology & High Throughput
Biochemistry & Proteomics
Signalling & Oncogenes
Cell Biology
Cell Cycle & Chromosomes

description: 3'-Phosphoinositide-dependent-Kinase-1 (PDK1) is a master regulator whereby its PI3-kinase-dependent dysregulation in human pathologies is well documented. Understanding the direct role for PtdIns(3,4,5)P3 and other anionic phospholipids in the regulation of PDK1 conformational dynamics and its downstream activation remains incomplete. Using advanced quantitative-time-resolved imaging (Fluorescence Lifetime Imaging and Fluorescence Correlation Spectroscopy) and molecular modelling, we show an interplay of antagonistic binding effects of PtdIns(3,4,5)P3 and other anionic phospholipids, regulating activated PDK1 homodimers. We demonstrate that phosphatidylserine maintains PDK1 in an inactive conformation. The dysregulation of the PI3K pathway affects the spatio-temporal and conformational dynamics of PDK1 and the activation of its downstream substrates. We have established a new anionic-phospholipid-dependent model for PDK1 regulation, depicting the conformational dynamics of multiple homodimer states. We show that the dysregulation of the PI3K pathway perturbs equilibrium between the PDK1 homodimer conformations. Our findings provide a role for the PtdSer binding site and its previously unrewarding role in PDK1 downregulation, suggesting a possible therapeutic strategy where the constitutively active dimer conformer of PDK1 may be rendered inactive by small molecules that drive it to its PtdSer-bound conformer.
Off-axis short GRBs from structured jets as counterparts to GW events
Creators: name: Kathirgamaraju, Adithan
name: Duran, Rodolfo Barniol
name: Giannios, Dimitrios
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Binary neutron star mergers are considered to be the most favorable sources that produce electromagnetic (EM) signals associated with gravitational waves (GWs). These mergers are the likely progenitors of short duration gamma-ray bursts (GRBs). The brief gamma-ray emission (the "prompt GRB" emission) is produced by ultra-relativistic jets, as a result, this emission is strongly beamed over a small solid angle along the jet. It is estimated to be a decade or more before a short GRB jet within the LIGO volume points along our line of sight. For this reason, the study of the prompt signal as an EM counterpart to GW events has been sparse. We argue that for a realistic jet model, one whose luminosity and Lorentz factor vary smoothly with angle, the prompt signal can be detected for a significantly broader range of viewing angles. This can lead to a new type of EM counterpart, an "off-axis" short GRB. Our estimates and simulations show that it is feasible to detect these signals with the aid of the temporal coincidence from a LIGO trigger, even if the observer is substantially misaligned with respect to the jet.
description: 6 pages, 4 figures, accepted to MNRAS Letters
Closed geodesics with local homology in maximal degree on non-compact manifolds
Creators: name: Asselle, Luca
name: Mazzucchelli, Marco
Publisher: name: arXiv
Year: 2017
Subjects: subject: Differential Geometry (math.DG)
subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 53C22, 58E10

description: We show that, on a complete and possibly non-compact Riemannian manifold of dimension at least 2 without close conjugate points at infinity, the existence of a closed geodesic with local homology in maximal degree and maximal index growth under iteration forces the existence of infinitely many closed geodesics. For closed manifolds, this was a theorem due to Hingston.
description: 36 pages, 3 figures. Version 2: minor modifications. To appear in Differential Geometry and its Applications
Revisiting quantum decoherence for neutrino oscillations in constant matter density
Creators: name: Carpio, Jose
name: Massoni, E.
name: Gago, A. M.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We re-examine the matter neutrino oscillation probabilities considering the decoherence phenomenon as a sub-leading effect. In this paper we point out the relevance of having the correct interpretation of the decoherence matrix in the different quantum bases, within the framework of neutrino oscillation probabilities in matter. Based on this treatment we develop an analytical formula for matter neutrino oscillation probabilities for three generations, with a range of application up to the decoherence parameter $Γ\sim 10^{-23}$ GeV. We observe that, due to decoherence, the amplitudes of the neutrino/antineutrino oscillation probabilities increase in an energy independent way. We also find that decoherence can reduce the absolute value of the CP asymmetry, relative to its value at the pure oscillation case. As a side effect we have found a degeneracy between the decoherence parameter $Γ$ and the CP violation phase $δ$.
description: 12 pages, 5 figures. Accepted for publication in PRD
Thermomagnetic correlation lengths of strongly interacting matter in the Nambu--Jona-Lasinio model
Creators: name: Ayala, Alejandro
name: Hernandez, L. A.
name: Loewe, M.
name: Raya, Alfredo
name: Rojas, J. C.
name: Zamora, R.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the correlation length between test quarks with the same electric and color charges in the Nambu--Jona-Lasinio model, considering thermal and magnetic effects. We extract the correlation length from the quark correlation function. The latter is constructed from the probability amplitude to bring a given quark into the plasma, once a previous one with the same quantum numbers is placed at a given distance apart. For temperatures below the transition temperature, the correlation length starts growing as the field strength increases to then decrease for large magnetic fields. For temperatures above the critical temperature, the correlation length continues increasing as the field strength increases. We found that such behavior can be understood as a competition between the tightening induced by the classical magnetic force versus the random thermal motion. For large enough temperatures, the increase of the occupation number contributes to the screening of the interaction between the test particles. The growth of the correlation distance with the magnetic field can be understood as due to the closer proximity between one of the test quarks and the ones popped up from vacuum, which in turn appear due to the increase of the occupation number with temperature.
description: 8 pages, 7 figures. Expanded discussion, version to appear in Phys. Rev. D
A New Tracking Algorithm for Multiple Colloidal Particles Close to Contact
Creators: name: Yücel, Harun
name: Okumuşoğlu, Nazmi Turan
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: In this paper, we propose a new algorithm based on radial symmetry center method to track colloidal particles close to contact, where the optical images of the particles start to overlap in digital video microscopy. This overlapping effect is important to observe the pair interaction potential in colloidal studies and it appears as additional interaction in the measurement of the interaction with conventional tracking analysis. The proposed algorithm in this work is simple, fast and applicable for not only two particles but also three and more particles without any modification. The algorithm uses gradient vectors of the particle intensity distribution, which allows us to use a part of the symmetric intensity distribution in the calculation of the actual particle position. In this study, simulations are performed to see the performance of the proposed algorithm for two and three particles, where the simulation images are generated by using fitted curve to experimental particle image for different sized particles. As a result, the algorithm yields the maximum error smaller than 2 nm for 5.53 μm silica particles in contact condition.
description: 14 pages, 5 figures
A APRENDIZAGEM COLABORATIVA EM SALA DE AULA: PERSPECTIVA DE INCLUSÃO SOCIAL
Creators: name: Jocirley de OLIVEIRA
Publisher: name: Zenodo
Year: 2024
Subjects: Sala de aula
Aprendizagem Colaborativa
Inclusão Social

description: RESUMO

Este estudo bibliográfico teve como objetivo investigar o papel da aprendizagem colaborativa na promoção da inclusão social em contextos educacionais. A pesquisa adotou uma abordagem qualitativa, analisando diversas fontes teóricas, estudos empíricos e práticas pedagógicas relevantes. Os resultados revelaram que a aprendizagem colaborativa oferece um ambiente propício para criar espaços inclusivos e equitativos de aprendizagem, promovendo a diversidade, o respeito à individualidade e a valorização das diferenças. Observou-se uma contribuição significativa dessa abordagem para o desenvolvimento de competências socioemocionais, o fortalecimento do senso de pertencimento e a melhoria do desempenho acadêmico dos estudantes. Além disso, a prática colaborativa em sala de aula proporcionou oportunidades para o crescimento pessoal e social dos alunos, preparando-os para os desafios de uma sociedade diversificada e interconectada.
Health risk assessment and source study of PAHs from roadside soil dust of a heavy mining area in India
Creators: name: Abhrajyoti Tarafdar
name: Sinha, Alok
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
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: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: The total concentrations of 13 detected polycyclic aromatic hydrocarbons (PAHs) in different traffic soil samples of Dhanbad heavy mining area, India, were between 8.256 and 12.562 µg/g and were dominated by four ring PAHs (44%). Diagnostic ratio study revealed that fossil fuel burning and vehicular pollution are the most prominent sources of the PAHs in roadside soil even at a heavy coal mining area. The 90th percentiles cancer risks determined by probabilistic health risk assessment (Monte Carlo simulations) for both the age groups (children and adults) were above tolerable limit (>1.00E-06) according to USEPA. The simulated mean cancer risk was 1.854E-05 for children and 1.823E-05 for adults. For different exposure pathways, dermal contact was observed to be the major pathway with an exposure load of 74% for children and 85% for adults. Sensitivity analysis demonstrated relative skin adherence factor for soil (AF) is the most influential parameter of the simulation, followed by exposure duration (ED).
Entanglement renormalization for disordered systems
Creators: name: Goldsborough, Andrew M.
name: Evenbly, Glen
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a tensor network method for investigating strongly disordered systems that is based on an adaptation of entanglement renormalization [G. Vidal, Phys. Rev. Lett. 99, 220405 (2007)]. This method makes use of the strong disorder renormalization group to determine the order in which lattice sites are coarse-grained, which sets the overall structure of the corresponding tensor network ansatz, before optimization using variational energy minimization. Benchmark results from the disordered XXZ model demonstrates that this approach accurately captures ground state entanglement in disordered systems, even at long distances. This approach leads to a new class of efficiently contractible tensor network ansatz for 1D systems, which may be understood as a generalization of the multi-scale entanglement renormalization ansatz for disordered systems.
description: 14 pages, 21 figures
The Modified Optimal Velocity Model: Stability Analyses and Design Guidelines
Creators: name: Kamath, Gopal Krishna
name: Jagannathan, Krishna
name: Raina, Gaurav
Publisher: name: arXiv
Year: 2017
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Reaction delays are important in determining the qualitative dynamical properties of a platoon of vehicles traveling on a straight road. In this paper, we investigate the impact of delayed feedback on the dynamics of the Modified Optimal Velocity Model (MOVM). Specifically, we analyze the MOVM in three regimes -- no delay, small delay and arbitrary delay. In the absence of reaction delays, we show that the MOVM is locally stable. For small delays, we then derive a sufficient condition for the MOVM to be locally stable. Next, for an arbitrary delay, we derive the necessary and sufficient condition for the local stability of the MOVM. We show that the traffic flow transits from the locally stable to the locally unstable regime via a Hopf bifurcation. We also derive the necessary and sufficient condition for non-oscillatory convergence and characterize the rate of convergence of the MOVM. These conditions help ensure smooth traffic flow, good ride quality and quick equilibration to the uniform flow. Further, since a Hopf bifurcation results in the emergence of limit cycles, we provide an analytical framework to characterize the type of the Hopf bifurcation and the asymptotic orbital stability of the resulting non-linear oscillations. Finally, we corroborate our analyses using stability charts, bifurcation diagrams, numerical computations and simulations conducted using MATLAB.
description: arXiv admin note: text overlap with arXiv:1607.08779
A variational method for integrability-breaking Richardson-Gaudin models
Creators: name: Claeys, Pieter W.
name: Caux, Jean-Sébastien
name: Van Neck, Dimitri
name: De Baerdemacker, Stijn
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a variational method for approximating the ground state of spin models close to (Richardson-Gaudin) integrability. This is done by variationally optimizing eigenstates of integrable Richardson-Gaudin models, where the toolbox of integrability allows for an efficient evaluation and minimization of the energy functional. The method is shown to return exact results for integrable models and improve substantially on perturbation theory for models close to integrability. For large integrability-breaking interactions, it is shown how (avoided) level crossings necessitate the use of excited states of integrable Hamiltonians in order to accurately describe the ground states of general non-integrable models.
title: ADCO, Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Cart. 143 (7 H 7), 153 fol, f. 0151v
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2009
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Archives départementales de la Côte-d'Or, Cart. 143 (7 H 7), 153 fol, f. 0151v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Archives départementales de la Côte-d'Or, Cart. 143 (7 H 7), 153 fol, f. 0151v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: abbaye de Molesme
description: Provenance: http://www.wikidata.org/entity/Q334044
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb137389344
title: Atlas des DOM. - La Réunion - Planche 19 : Types d'habitats : notice, page 1 "I. Le versant Sous le Vent à Saint-Leu"
Creators: name: Defos du Rau, Jean
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2017
Subjects: relief
ville
1:50.000
canne à sucre
littoral
habitat rural
habitat
géologie
photographie aérienne
logement
utilisation du sol
paysage
versant

description: Présente les paysages de différentes zones du versant Sous le Vent à Saint-Leu (la bande littorale, la zone de la canne, les Hauts et la forêt des Tamarins) ainsi que l'habitat rural. Une photographie aérienne au 1:50.000 représente les pentes de Saint-Leu. Elle a été effectuée lors de la "mission IGN - 1966 - Réunion 070-500. Photo n° 095. Cette photographie aérienne a servi à la conception de la planche 19 sur les types d'habitats.
description: Relation: http://www.nakala.fr/data/11280/301440b5
description: Relation: http://www.nakala.fr/data/11280/3ef3bf04
description: Relation: http://www.nakala.fr/data/11280/174a40e9
description: Relation: http://www.nakala.fr/data/11280/6ed9fa00
description: Coverage: La Réunion
description: Coverage: Saint-Leu
description: Coverage: Côte "Sous le Vent"
description: Coverage: Les Hauts
description: Coverage: forêt des Tamarins
description: Temporal: start=1966; end=1975;
Evidence of an Internal Dissipation Origin for the High-energy Prompt Emission of GRB 170214A
Creators: name: Tang, Qing-Wen
name: Wang, Xiang-Yu
name: Liu, Ruo-Yu
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The origin of the prompt high-energy ($>100$MeV) emission of Gamma-ray Bursts (GRBs), detected by the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope, is still under debate, for which both the external shock origin and internal dissipation origin have been suggested. In the internal dissipation scenario, the high energy emission is expected to exhibit significant temporal variability, tracking the keV/MeV fast variable behavior. Here, we report a detailed analysis on the Fermi data of GRB~170214A, which is sufficiently bright in the high energy to enable a quantitative analysis of the correlation between high-energy emission and keV/MeV emission with high statistics. Our result shows a clear temporal correlation between high-energy and keV/MeV emission in the whole prompt emission phase as well as in two decomposed short time intervals. Such correlation behavior is also found in some other bright LAT GRBs, i.e., GRB 080916C, 090902B and 090926A. For these GRBs as well as GRB 090510, we also find the rapid temporal variability in the high-energy emission. We thus conclude that the prompt high-energy emission in these bright LAT GRBs should be due to internal origin.
description: 12 pages, 4 figures, Accepted for publication in ApJ
Bohmian trajectories for the half-line barrier
Creators: name: Dubertrand, Remy
name: Shim, Jeong-Bo
name: Struyve, Ward
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Bohmian trajectories are considered for a particle that is free (i.e. the potential energy is zero), except for a half-line barrier. On the barrier, both Dirichlet and Neumann boundary conditions are considered. The half-line barrier yields one of the simplest cases of diffraction. Using the exact time-dependent propagator found by Schulman, the trajectories are computed numerically for different initial Gaussian wave packets. In particular, it is found that different boundary conditions may lead to qualitatively different sets of trajectories. In the Dirichlet case, the particles tend to be more strongly repelled. The case of an incoming plane wave is also considered. The corresponding Bohmian trajectories are compared with the trajectories of an oil drop hopping on the surface of a vibrating bath.
description: 25 pages, 15 figures
title: ADCO, Grènetier de Cîteaux : comptes (1497-1504) (11 H 1172), f. 00448
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
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: comptes
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Grènetier de Cîteaux : comptes (1497-1504), Archives départementales de la Côte-d'Or, (11 H 1172). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Grènetier de Cîteaux : comptes (1497-1504), Archives départementales de la Côte-d'Or, (11 H 1172), f. 00448, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
Additional file 2: of Two-year cross-sectional studies reveal that single, young MSMs in Shenzhen, China are at high risk for HIV infection
Creators: name: Jia, Dijing
name: Zhao, Jin
name: Liu, Yongjian
name: Wang, Xiaolin
name: Jia, Lei
name: Gui, Tao
name: Chen, Lin
name: Zheng, Chenli
name: Han, Jingwan
name: Li, Tianyi
name: Li, Jingyun
name: Li, Hanping
name: Li, Lin
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: Virology

description: Table S2. Subtyping proportions in 2013 and 2015. Table S3. Viral diversity in 2013 and 2015. (DOCX 15 kb)
Metal-Insulator Transition in the Dimerized Organic Conductor $κ$-(BEDT-TTF)$_2$Hg(SCN)$_2$Br
Creators: name: Ivek, Tomislav
name: Beyer, Rebecca
name: Badalov, Sabuhi
name: Čulo, Matija
name: Tomić, Silvia
name: Schlueter, John A.
name: Zhilyaeva, Elena I.
name: Lyubovskaya, Rimma N.
name: Dressel, Martin
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The organic charge-transfer salt $κ$-(BEDT-TTF)$_{2}$Hg(SCN)$_{2}$Br is a quasi two-dimensional metal with a half-filled conduction band at ambient conditions. When cooled below $T=80$ K it undergoes a pronounced transition to an insulating phase where the resistivity increases many orders of magnitude. In order to elucidate the nature of this metal-insulator transition we have performed comprehensive transport, dielectric and optical investigations. The findings are compared with other dimerized $κ$-(BEDT-TTF) salts, in particular the Cl-analogue, where a charge-order transition takes place at $T_{\rm CO}=30$ K.
description: submitted to Physical Review B, 9 pages, 7 figures
title: Βασικές αρχές αξιολόγησης επενδύσεων: Χρηματοοικονομική και κοινωνικοοικονομική προσέγγιση
Creators: name: Papadamou, Stefanos
name: Syriopoulos, Konstantinos
Publisher: name: Kallipos, Open Academic Editions
Year: 2016
Subjects: ΑΞΙΟΛΟΓΗΣΗ ΕΠΕΝΔΥΣΕΩΝ
ΚΟΙΝΩΝΙΚΟΟΙΚΟΝΟΜΙΚΗ ΑΞΙΟΛΟΓΗΣΗ
ΑΝΑΛΥΣΗ ΚΟΣΤΟΥΣ ΟΦΕΛΟΥΣ
Investment Appraisal
Socioeconomic Appraisal
Cost Benefit Analysis

description: Το βιβλίο αυτό απευθύνεται σε προπτυχιακούς φοιτητές που διδάσκονται το μάθημα αξιολόγηση επενδύσεων καθώς και σε αναγνώστες και επιστήμονες του κλάδου που επιθυμούν να κατανοήσουν τις βασικές αρχές αξιολόγησης επενδυτικών έργων και να τις εφαρμόσουν στην πράξη. Συνδυάζει τόσο την χρηματοοικονομική όσο και την κοινωνικοοικονομική αξιολόγηση έργων με έναν τρόπο απλό και πρακτικό μέσα από την χρήση αρκετών παραδειγμάτων.
Ασχολείται με θέματα όπως:
Ο ρόλος των επενδύσεων στην οικονομική ανάπτυξη. Το χρηματοπιστωτικό σύστημα και η σημασία του στην δημιουργία επενδύσεων.
Τα παραδοσιακά κριτήρια αξιολόγησης επενδύσεων και τα κριτήρια επενδυτικών αποφάσεων βάσει προεξοφλημένων χρηματικών ροών. Την αντιμετώπιση θεμάτων σχετικών με την αξιολόγηση έργων όπως ο προσδιορισμός των χρηματικών ροών, οι αποσβέσεις, οι φόροι, οι τόκοι και ο πληθωρισμός.
Την αντιμετώπιση ειδικών επενδυτικών αποφάσεων όπως για παράδειγμα η απόκτηση μηχανήματος μέσω μακροχρόνιας μίσθωσης ή τραπεζικού δανεισμού.
Την ενσωμάτωση του κινδύνου στην αξιολόγηση επενδύσεων.
Την αξιολόγηση δημόσιων έργων και πολιτικών μέσα από την μεταβολή του κοινωνικού πλεονάσματος.
Την αποτίμηση οφελειών και κόστους των έργων.
The host dark matter halos of [OII] emitters at 0.5< z< 1.5
Creators: name: Gonzalez-Perez, V.
name: Comparat, J.
name: Norberg, P.
name: Baugh, C. M.
name: Contreras, S.
name: Lacey, C.
name: McCullagh, N.
name: Orsi, A.
name: Helly, J.
name: Humphries, J.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Emission line galaxies (ELGs) are used in several ongoing and upcoming surveys (SDSS-IV/eBOSS, DESI) as tracers of the dark matter distribution. Using a new galaxy formation model, we explore the characteristics of [OII] emitters, which dominate optical ELG selections at $z\simeq 1$. Model [OII] emitters at $0.5
description: 17 pages, 16 figures, MNRAS
Walks in the quarter plane, genus zero case
Creators: name: Dreyfus, Thomas
name: Hardouin, Charlotte
name: Roques, Julien
name: Singer, Michael F.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05A15, 30D05, 39A06

description: We use Galois theory of difference equations to study the nature of the generating series of (weighted) walks in the quarter plane with genus zero kernel curve. Using this approach, we prove that the generating series do not satisfy any nontrivial (possibly nonlinear) algebraic differential equation with rational coefficients.
description: Journal of Combinatorial Theory, Series A
Synthesis and nonlinear optical properties of pyridoxine-based stilbazole derivatives and their azo-analogs
Creators: name: Garipov, Marsel R.
name: Strelnik, Alexey D.
name: Shtyrlin, Nikita V.
name: Azaliia I. Nagimova
name: Naumov, Alexander K.
name: Morozov, Oleg A.
name: Balakin, Konstantin V.
name: Shtyrlin, Yurii G.
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: The syntheses of a series of novel derivatives of stilbazole and their azo-analogs bearing the phenylalkenyl and phenyldiazenyl substituents at position 6 of the pyridoxine ring are reported. The observed cis/trans regioselectivity in the Wittig reaction between triphenylbenzylphosphonium chloride and carbonyl derivatives of pyridoxine ketal is discussed with respect to transition state intermediates, nature of base used in the reaction, and resonance transformations in the pyridoxine system. The azo-derivatives are obtained by azocoupling of the diazonium salts of sulfanilic or 4-aminophenyl-1,3-disulfonic acids with the corresponding pyridoxine acetals. Nine compounds from the obtained experimental series are capable of emitting second harmonic generation light, although with a reduced efficiency as compared to well known KH2PO4 or LiIO3 perovskite crystals, but with excellent beam resistance under laser irradiation, which makes them potential starting points for the development of novel nonlinear optical materials.
Airfoil wake modification with Gurney flap at Low-Reynolds number
Creators: name: Meena, Muralikrishnan Gopalakrishnan
name: Taira, Kunihiko
name: Asai, Keisuke
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The complex wake modifications produced by a Gurney flap on symmetric NACA airfoils at low Reynolds number are investigated. Two-dimensional incompressible flows over NACA 0000 (flat plate), 0006, 0012 and 0018 airfoils at a Reynolds number of $Re = 1000$ are analyzed numerically to examine the flow modifications generated by the flaps for achieving lift enhancement. While high lift can be attained by the Gurney flap on airfoils at high angles of attack, highly unsteady nature of the aerodynamic forces are also observed. Analysis of the wake structures along with the lift spectra reveals four characteristic wake modes (steady, 2S, P and 2P), influencing the aerodynamic performance. The effects of the flap over wide range of angles of attack and flap heights are considered to identify the occurrence of these wake modes, and are encapsulated in a wake classification diagram. Companion three-dimensional simulations are also performed to examine the influence of three-dimensionality on the wake regimes. The spanwise instabilities that appear for higher angles of attack are found to suppress the emergence of the 2P mode. The use of the wake classification diagram as a guidance for Gurney flap selection at different operating conditions to achieve the required aerodynamic performance is discussed.
Quantum correlations with a gap between the sequential and spatial cases
Creators: name: Xu, Zhen-Peng
name: Cabello, Adan
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We address the problem of whether parties who cannot communicate but share nonsignaling quantum correlations between the outcomes of sharp measurements can distinguish, just from the value of a correlation observable, whether their outcomes were produced by sequential compatible measurements on single systems or by measurements on spatially separated subsystems. We show that there are quantum correlations between the outcomes of sequential measurements which cannot be attained with spatially separated systems. We present examples of correlations between spatially separated systems whose quantum maximum tends to the sequential maximum as the number of parties increases and examples of correlations between spatially separated systems whose quantum maximum fails to violate the noncontextual bound while its corresponding sequential version does.
description: 5 pages, 3 figures
Determination of the transplacental transfer of paclitaxel and antipyrine by high performance liquid chromatography coupled with photodiode array detector
Creators: name: Shariq Ali
name: Albekairi, Norah
name: Wang, Xiao-Ming
name: Patrikeeva, Svetlana
name: Nanovskaya, Tatiana N.
name: Ahmed, Mahmoud S.
name: Rytting, Erik
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Plant Biology

description: Ex vivo placental perfusion experiments are important in understanding the quantity and mechanisms of xenobiotic transport to the fetus during pregnancy. Our study demonstrates that paclitaxel and antipyrine concentrations in placental perfusion medium containing physiological concentrations of human serum albumin during pregnancy (30 mg/mL) can be quantified by RP-HPLC and UV detection. A liquid-liquid extraction method was developed for the quantification of paclitaxel and celecoxib (internal standard) from perfusion medium. Antipyrine, which is a necessary marker in placental perfusions for determining the validity of experiments and calculating the clearance index of xenobiotics, was also analyzed by HPLC and UV detection. Antipyrine concentrations were determined by HPLC after precipitating the perfusion medium in acetonitrile and separating the precipitated proteins by centrifugation. Concentrations were fitted to linear regressions with R2 values approaching 1. Lower limits of detection for paclitaxel and antipyrine were 100 ng/mL and 200 ng/mL, respectively. Both methods demonstrated high intra-day and inter-day precision and trueness. Additionally, the use of these methods was demonstrated in a placental perfusion experiment using Taxol® (paclitaxel dissolved in Cremophor-EL). The fetal transfer rate of Taxol was 6.6% after 1 hour.
Effective model for $A_{2g}$ Raman signal in URu$_2$Si$_2$
Creators: name: de Farias, Carlene Silva
name: Méasson, Marie-Aude
name: Ferraz, Alvaro
name: Burdin, Sébastien
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We propose an effective model to describe the $A_{2g}$ signal in Raman scattering experiments in the URu$_{2}$Si$_{2}$ compound. We follow the scheme proposed earlier by Khveshchenko and Wiegmann [Phys. Rev. Lett. 73, 500 (1994)] to calculate the $A_{2g}$ scattering vertex. We extract the imaginary part of a two-point current-current correlation function and compare it directly with the Raman response. We obtain an inelastic peak at $A_{2g}$ channel owing to the interplay between a local staggered ordering and a possible quantum spin liquid behavior. Our results offer an explanation for the electronic Raman scattering experiments at the hidden order phase in URu$_{2}$Si$_{2}$ compound [Phys. Rev. Lett. 113, 266405 (2014)].
description: 5 figures,11 pages; updated of affiliation, updated author; updated figures
Physical Samples in the PID Ecosystem
Creators: name: Klump, Jens
Publisher: name: Zenodo
Year: 2024
Subjects: Repositories
Identifiers
Infrastructure
Open Access
Data Publishing

description: Persistent unique identifiers (PIDs) are a critical element of the research ecosystem. They unambiguously identify and cite digital representations of many entities, including physical samples, publications, data, instruments, researchers, organisations, funding awards, field programs, and others: they also enable unequivocal connections between them to be explicitly expressed. Physical samples are tightly coupled to the communities of practice working with them, their physical nature gives rise to unique challenges in applying the FAIR and CARE Guidance Principles to samples and any datasets derived from them.

The aim of this BoF is to go beyond identifiers per se and encompass themes of discovery, access, reproducibility, and the support of a global, multidisciplinary specimen ecosystem. This BoF will introduce and discuss the services, tools, projects, and community efforts that involve making physical specimens FAIR and CARE-compliant and as Open as possible.

Panellists will include representatives from specimen-related projects, representatives from the various domains working with physical specimens, such as geology, archeology, and biodiversity, and representatives from digital research infrastructures. The goal of the session is to 1) determine the level of interest in forming more discipline/topic-specific communities of practice and 2) share best practices in linking samples to derived datasets.
Confinement and Fermion Doubling Problem in Dirac-like Hamiltonians
Creators: name: de Resende, B. Messias
name: de Lima, F. Crasto
name: Miwa, R. H.
name: Vernek, E.
name: Ferreira, G. J.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the interplay between confinement and the fermion doubling problem in Dirac-like Hamiltonians. Individually, both features are well known. First, simple electrostatic gates do not confine electrons due to the Klein tunneling. Second, a typical lattice discretization of the first-order derivative $k \rightarrow -i\partial_x$ skips the central point and allow spurious low-energy, highly oscillating solutions known as fermion doublers. While a no-go theorem states that the doublers cannot be eliminated without artificially breaking a symmetry, here we show that the symmetry broken by the Wilson's mass approach is equivalent to the enforcement of hard-wall boundary conditions, thus making the no-go theorem irrelevant when confinement is foreseen. We illustrate our arguments by calculating the following: (i) the band structure and transport properties across thin films of the topological insulator Bi$_2$Se$_3$, for which we use ab-initio density functional theory calculations to justify the model; and (ii) the band structure of zigzag graphene nanoribbons.
description: 10 pages, 9 figures
A Multiscale Method for Model Order Reduction in PDE Parameter Estimation
Creators: name: Fung, Samy Wu
name: Ruthotto, Lars
Publisher: name: arXiv
Year: 2017
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 35Q93, 35R30, 65J22, 86A22

description: Estimating parameters of Partial Differential Equations (PDEs) is of interest in a number of applications such as geophysical and medical imaging. Parameter estimation is commonly phrased as a PDE-constrained optimization problem that can be solved iteratively using gradient-based optimization. A computational bottleneck in such approaches is that the underlying PDEs needs to be solved numerous times before the model is reconstructed with sufficient accuracy. One way to reduce this computational burden is by using Model Order Reduction (MOR) techniques such as the Multiscale Finite Volume Method (MSFV). In this paper, we apply MSFV for solving high-dimensional parameter estimation problems. Given a finite volume discretization of the PDE on a fine mesh, the MSFV method reduces the problem size by computing a parameter-dependent projection onto a nested coarse mesh. A novelty in our work is the integration of MSFV into a PDE-constrained optimization framework, which updates the reduced space in each iteration. We also present a computationally tractable way of differentiating the MOR solution that acknowledges the change of basis. As we demonstrate in our numerical experiments, our method leads to computational savings particularly for large-scale parameter estimation problems and can benefit from parallelization.
description: 22 pages, 4 figures, 3 tables
title: Λήψη ιστορικού και κλινική εξέταση στην παθολογία
Creators: name: Daikos, Georgios
name: Kokkinos, Alexandros
name: Liatis, Stavros
name: Makrylakis, Konstantinos
name: Samarkos, Michail
name: Sfikakis, Petros
name: Tektonidou, Maria
name: Tentolouris, Nikolaos
name: Psychogyiou, Mina
Publisher: name: Kallipos, Open Academic Editions
Year: 2016
Subjects: ΚΛΙΝΙΚΗ ΕΞΕΤΑΣΗ
ΔΙΑΓΝΩΣΗ
ΠΑΘΟΛΟΓΙΑ
Diagnosis
Physical Examination
Internal Medicine

description: Το βιβλίο αποτελεί ένα βοήθημα στην κλινική εξέταση και απευθύνεται στους φοιτητές της Ιατρικής, της Οδοντιατρικής και της Νοσηλευτικής Σχολής του ΕΚΠΑ. Σκοπός του βιβλίου είναι να εκπαιδεύσει το φοιτητή στη λήψη του ιατρικού ιστορικού, στην εκμάθηση των κύριων κλινικών σημείων και να αποτελέσει έναν απλό, πρακτικό, σύντομο και εύχρηστο οδηγό κλινικής εξέτασης. Το βιβλίο υποστηρίζεται από πλούσια εικονογράφηση, σχήματα και βίντεο που διευκολύνουν την εκμάθηση και εμπέδωση της κλινικής εξέτασης.
Στηριζόμενοι στην εμπειρία μας και σε παρατηρήσεις των φοιτητών μας και άλλων εκπαιδευτών, ελπίζουμε το βιβλίο μας να αποτελέσει τη βάση για την εκμάθηση των τεχνικών της κλινικής εξέτασης.
Measurements and kinetic study on the ignition delay time of dimethyl carbonate/n-heptane/oxygen/argon mixtures
Creators: name: Zhenhua Gao
name: Erjiang Hu
name: Zhaohua Xu
name: Shihan Huang
name: Jinfeng Ku
name: Zuohua Huang
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Computational Biology

description: Ignition delay time measurements of dimethyl carbonate (DMC)/n-heptane blends have been studied in a shock tube in the temperature range of 1100–1600K, at different equivalence ratios (0.5; 1.0; 2.0), pressures of 2.0 and 10.0 atm, and with mole fractions of DMC in the fuel blends varying from 0% to 100% (0%; 20%; 80%; 100%). A detailed model of DMC/n-heptane was constructed to simulate the ignition process of neat and blended fuels. The effect of equivalence ratio on the ignition delay time of fuel blends was found to be increasingly weak with an increase in DMC addition. Reaction path analysis was conducted to explain the equivalence ratio effect. The concentration of the radical pool increased during its buildup stage at higher temperatures as DMC addition increases, leading to an enhanced chemical reactivity in the reaction system. The opposite observation at lower temperatures was interpreted by the methyl ester moiety.
Determinants of food choice in athletes: a scoping review protocol
Creators: name: Pelly, Fiona
name: Slater, Gary
name: Thurecht, Rachel
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Food choice and athletes

description: The objective of the scoping review is to collate and synthesize the evidence on determinants of food choice in athletes aged 16 years or older throughout training and competition periods and how this impacts dietary intake and diet quality.
Charge Transport in Hybrid Halide Perovskites
Creators: name: Zhang, Mingliang
name: Zhang, Xu
name: Huang, Ling-Yi
name: Lin, Hai-Qing
name: Lu, Gang
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Charge transport is crucial to the performance of hybrid halide perovskite solar cells. A theoretical model based on large polarons is proposed to elucidate charge transport properties in the perovskites. Critical new physical insights are incorporated into the model, including the recognitions that acoustic phonons as opposed to optical phonons are responsible for the scattering of the polarons; these acoustic phonons are fully excited due to the "softness" of the perovskites, and the temperature-dependent dielectric function underlies the temperature dependence of charge carrier mobility. This work resolves key controversies in literature and forms a starting point for more rigorous first-principles predictions of charge transport.
description: 9 figures, 15 pages, accepted by Phys. Rev. B