cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Wpływ stanu naładowania baterii na zasięg pojazdów elektrycznych w trakcie eksploatacji
Creators: name: Dobrzycki, Arkadiusz
name: Filipiak, Michał
name: Jajczyk, Jarosław
Publisher: name: Publishing House of Poznan University of Technology
Year: 2019

description: Poznan University of Technology Academic Journals: Electrical Engineering, 98, 159-169
Quantum cohomology of minuscule homogeneous spaces
Creators: name: Chaput, Pierre-Emmanuel
name: Manivel, Laurent
name: Perrin, Nicolas
Publisher: name: arXiv
Year: 2006
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14M15, 14N35

description: We study the quantum cohomology of (co)minuscule homogeneous varieties under a unified perspective. We show that three points Gromov-Witten invariants can always be interpreted as classical intersection numbers on auxiliary varieties. Our main combinatorial tools are certain quivers, in terms of which we obtain a quantum Chevalley formula and a higher quantum Poincaré duality. In particular we compute the quantum cohomology of the two exceptional minuscule homogeneous varieties.
description: 33 pages
Quintom models with an equation of state crossing -1
Creators: name: Zhao, Wen
name: Zhang, Yang
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In this paper, we investigate a kind of special quintom model, which is made of a quintessence field $ϕ_1$ and a phantom field $ϕ_2$, and the potential function has the form of $V(ϕ_1^2-ϕ_2^2)$. This kind of quintom fields can be separated into two kinds: the hessence model, which has the state of $ϕ_1^2>ϕ_2^2$, and the hantom model with the state $ϕ_1^2-1$ or $
description: 28 pages, 8 figures. Style is revised
Should there be more women in science and engineering?
Creators: name: Bouville, Mathieu
Publisher: name: arXiv
Year: 2006
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: Many people hold this truth to be self-evident, that there should be more female students in science and engineering. Typical arguments include possible benefits to women, possible benefits to the economy, and the unfairness of the current female under-representation. However, these justifications are never explicitly and thoroughly presented. Clearly stating and scrutinizing them, we show that they in fact have logical flaws. When made consistent, these arguments do not unconditionally justify enrolling more women in scientific disciplines. In particular, what women want must be taken into account. Outreach programs towards K-12 girls must therefore purport to allow them to choose a field freely, rather than try to draw as many of them to scientific disciplines as possible. This change of mindset must be accompanied by a close examination of the purpose and effects of these programs. Keywords: female students, higher education, university, ethics, policy, outreach programs, minority students
description: 9 pages; long version of "Should we enrol more female students in physics?" published in the April 2007 issue of Physics World
The hidden fluctuation-dissipation theorem for growth
Creators: name: Gomes-Filho, Márcio S.
name: Oliveira, Fernando A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In a stochastic process, where noise is always present, the fluctuation-dissipation theorem (FDT) becomes one of the most important tools in statistical mechanics and, consequently, it appears everywhere. Its major utility is to provide a simple response to study certain processes in solids and fluids. However, in many situations we are not talking about a FDT, but about the noise intensity. For example, noise has enormous importance in diffusion and growth phenomena. Although we have an explicit FDT for diffusion phenomena, we do not have one for growth processes where we have a noise intensity. We show that there is a hidden FDT for the growth phenomenon, similar to the diffusive one. Moreover, we show that growth with correlated noise presents as well a similar form of FDT. We also call attention to the hierarchy within the theorems of statistical mechanics and how this explains the violation of the FDT in some phenomena.
Γραμματά σου, γραμματά μου. Σχεδιασμός μουσειοπαιδαγωγικού προγράμματος με στόχο την καλλιέργεια γραμματισμού.
Creators: name: Μανιάτη, Αναστασία Παναγιώτη
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Συστήματα γραφής
Μουσειοπαιδαγωγικά
Γραμματισμός
Writing systems
Museum education
Literacy

description: Αναγνωρίζοντας τον ζωτικό ρόλο που παίζει η διαπολιτισμικότητα στις σημερινές πλουραλιστικές κοινωνίες, θα υποστηρίξω οτι τα μουσειοπαιδαγωγικά προγράμματα μπορούν να εκτιμηθούν ως ιστορίες πολιτιστικής κληρονομίας. Η εργασία υπογραμμίζει πως οι πολυγλωσσικές παιδαγωγικές προσεγγίσεις θα επέτρεπαν στις γλώσσες κληρονομιά καθώς και στα συστήματα γραφής τους, να εκτιμηθούν ως σημαντικό μέρος της άυλης πολιτιστικής κληρονομίας. Εξερευνώ τους τρόπους με τους οποίους θα μπορούσε η θεωρία της πολυγλωσσικής εκπαίδευσης να προάγει τις πολιτιστικές και πρακτικές των μουσείων.
description: Acknowledging the key role interculturalism plays in today’s pluralistic societies, I will argue that museum educational programs could be valued as stories about cultural heritages. This paper outlines a multilingual-focused educational approach that would allow heritage languages and scripts to be appreciated as important intangible heritage. It explores how multilingual education theory can improve the cultural diversity policies and practices of museums.
description: Σε συνεργασία με το Παιδαγωγικό Τμήμα Δημοτικής Εκπαίδευσης (Πανεπιστήμιο Δυτικής Μακεδονίας)
Interplay of Spin and Orbital Angular Momentum in the Proton
Creators: name: Thomas, A. W.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive the consequences of the Myhrer-Thomas explanation of the proton spin problem for the distribution of orbital angular momentum on the valence and sea quarks. After QCD evolution these results are found to be in very good agreement with both recent lattice QCD calculations and the experimental constraints from Hermes and JLab.
A note on the generic initial ideal for complete intersections
Creators: name: Cimpoeas, Mircea
Publisher: name: arXiv
Year: 2007
Subjects: subject: Commutative Algebra (math.AC)
subject: FOS: Mathematics
subject: Primary 13P10, Secondary 13D40, 13C40

description: We prove that the $d$-component of the generic initial ideal, with respect to the reverse lexicographic order, of an ideal generated by a regular sequence of homogeneous polynomials of degree $d$ is revlex in a particular, but important, case. Using this property, we compute the generic initial ideal for several complete intersection with strong Lefschetz property.
description: 10 pages
Equity and diversity in Open Access. National and regional OA publishing platforms. Webinar.
Creators: name: SPARC Europe
name: Anglada, Lluís M.
name: Stojanovski, Jadranka
name: Syrjämäki, Sami
name: Guigonis, Sandra
name: Wijnen, Jan Willem
Publisher: name: Zenodo
Year: 2021

description: This SPARC Europe's webinar brought together voices from Croatia, France, Finland, the Netherlands, and Spain. Experts from these countries talked us through their initial influences and motivations for establishing national and regional platforms. They shared their perspectives on building and running national and regional OA publishing platforms and spoke about how they had evolved over time through presentations. A panel discussion touched upon challenges they had encountered and shared the lessons they had learned when joining forces and collaborating. They also talked about their future plans to increase collaboration be this locally or internationally. This webinar focused on the following topics: What community-governed, publicly-funded not-for-profit national and regional OA publishing platforms are already set up in Europe Which opportunities and challenges come with setting up a national or regional OA platform and collaborating with smaller publishers What the best practices for national and regional OA platforms are, as seen by experienced experts in the field You can see the recording here: https://youtu.be/dtGIl3us7G8
Αφηγήσεις από την άκρη της πόλης - Πρόταση για έναν περίπατο στο ερωτικό περιθώριο της Θεσσαλονίκης του 20ου και 21ου αιώνα
Creators: name: Τάμογλου Ελευθεριάδης, Αλέξανδρος Συμεών
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Πολιτιστικός Περίπατος
Θεσσαλονίκη 20ος και 21ος αιώνας
Ερωτικό Περιθώριο
Cultural Walk
Thessaloniki in the 20th and 21st century
Erotic Margin

description: Η ανά χείρας εργασία επιχειρεί μέσα από μια βιβλιογραφική έρευνα να παρουσιάσει τις διαδρομές πολιτισμού ως ένα σημαντικό μέσο για την ανάδειξη της πολιτιστικής κληρονομιάς. Τα τελευταία χρόνια παρατηρείται συνεχώς ένα αυξανόμενο ενδιαφέρον για την διαχείριση του πολιτισμού και τους τρόπους με τους οποίους μπορούν τα υλικά κατάλοιπα του παρελθόντος να αναδειχθούν και για αυτό οι θεματικές διαδρομές τείνουν να γίνουν μια διαδεδομένη πρακτική. Τα οφέλη που προκύπτουν από αυτές είναι πολλαπλά και τα αποτελέσματά τους ορατά σε διάφορους τομείς. Προς επίρρωση των όσων έχουν ειπωθεί παραπάνω, ο γράφοντας προχώρησε στον σχεδιασμό ενός πολιτιστικού περιπάτου για τη Θεσσαλονίκη, που ως στόχο του έχει να αναδείξει μια όψη της δημόσιας ιστορίας της πόλης, αυτής της ερωτικής μητρόπολης, με σαφή αναφορά στο ερωτικό της περιθώριο και το «αμαρτωλό» της παρελθόν στο οποίο, τελικώς και οφείλει αυτόν τον χαρακτηρισμό. Η διαδρομή αυτή στοχεύει να φωτίσει μια ακόμη πτυχή της πόλης, λιγότερο γνωστή ίσως, και να συμβάλλει στην εκκίνηση ενός γόνιμου διαλόγου μεταξύ των μελών της επιστημονικής κοινότητας και των φορέων της τοπικής αυτοδιοίκησης για τις δυνατότητες ανάπτυξης που προσφέρει η πόλη της Θεσσαλονίκης.
description: The aim of this thesis is to present the significance of the thematic cultural routes as an important mean for promoting cultural heritage. In recent years we are witnessing an increasing interest for heritage management; and especially the ways in which the relics of the past could be used for the development and enhancement of cultural heritage. One of the most common ways to achieve this is through cultural thematic routes, which nowadays tend to become a widespread practice all over the world. Therefore, a case study of a cultural thematic route for the city of Thessaloniki was devised and implemented. The goal is to reveal a hidden sight of the city, that of an “erotic metropolis”, unraveling its “sinner” past through a sensational pathway of the most marginal places. This cultural route tries to shed light, perhaps to the most unknown side of the city and also to spark a fruitful dialogue between the scientific community, local authorities and the travel agencies as to further develop of the city of Thessaloniki, particularly in the touristic area.
description: Σε συνεργασία με το Παιδαγωγικό Τμήμα Δημοτικής Εκπαίδευσης (Πανεπιστήμιο Δυτικής Μακεδονίας)
Cobimaximal Mixing with Dirac Neutrinos
Creators: name: Ma, Ernest
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: If neutrinos are Dirac, the conditions for cobimaximal mixing, i.e. $θ_{23}=π/4$ and $δ_{CP}=\pm π/2$ in the $3 \times 3$ neutrino mixing matrix, are derived. One example with $A_4$ symmetry and radiative Dirac neutrino masses is presented.
description: 8 pages, 2 figures
H = x p with interaction and the Riemann zeros
Creators: name: Sierra, German
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Number Theory (math.NT)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Starting from a quantized version of the classical Hamiltonian H = x p, we add a non local interaction which depends on two potentials. The model is solved exactly in terms of a Jost like function which is analytic in the complex upper half plane. This function vanishes, either on the real axis, corresponding to bound states, or below it, corresponding to resonances. We find potentials for which the resonances converge asymptotically toward the average position of the Riemann zeros. These potentials realize, at the quantum level, the semiclassical regularization of H = x p proposed by Berry and Keating. Furthermore, a linear superposition of them, obtained by the action of integer dilations, yields a Jost function whose real part vanishes at the Riemann zeros and whose imaginary part resembles the one of the zeta function. Our results suggest the existence of a quantum mechanical model where the Riemann zeros would make a point like spectrum embbeded in the continuum. The associated spectral interpretation would resolve the emission/absortion debate between Berry-Keating and Connes. Finally, we indicate how our results can be extended to the Dirichlet L-functions constructed with real characters.
description: 23 pages, 12 figures, minor corrections
title: Wpływ obecności gazów w oleju mineralnym na zdolność sit molekularnych do sorpcji wody
Creators: name: Cybulski, Mateusz
name: Przybyłek, Piotr
Publisher: name: Publishing House of Poznan University of Technology
Year: 2019

description: Poznan University of Technology Academic Journals: Electrical Engineering, 98, 195-205
title: Rola mikrocząstek metalicznych w wytwarzaniu mikroostrzy na powierzchniach elektrod wysokonapięciowych próżniowych układów izolacyjnych
Creators: name: Dobrzycki, Arkadiusz
name: Opydo, Władysław
name: Bieliński, Kazimierz
name: Twardosz, Grzegorz
Publisher: name: Publishing House of Poznan University of Technology
Year: 2019

description: Poznan University of Technology Academic Journals: Electrical Engineering, 98, 207-215
Selection rules for the decay of a particle into two identical massless particles of any spin
Creators: name: Choi, Seong Youl
name: Jeong, Jae Hoon
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The well-known Landau-Yang (LY) theorem on the decay of a neutral particle into two photons is generalized for analyzing the decay of a neutral or charged particle into two identical massless particles of any spin. Selection rules categorized by discrete parity invariance and Bose/Fermi symmetry are worked out in the helicity formulation. The general form of the Lorentz-covariant triple vertices are derived and the corresponding decay helicity amplitudes are explicitly calculated in the Jacob-Wick convention. After checking the consistency of all the analytic results obtained by two complementary approaches, we extract out the key aspects of the generalized LY theorem.
description: 13 pages, 2 figures, 1 table
Digital Preservation Recommendations for the National Repository of Angola
Creators: name: United Nations Educational, Scientific and Cultural Organization
name: Ministério Do Ensino Superior, Ciência
name: Redalyc-Universidad Autónoma Del Estado De México
name: AmeliCA
name: Universidade Óscar Ribas
Publisher: name: Zenodo
Year: 2022
Subjects: Open Access
Angola
Africa
Digital preservation
National Repository of Angola
Open Science

description: Work derived from the collaborative project among Redalyc UAEM, AmeliCA, MESCTI and U. Óscar Ribas funded by UNESCO for the development of an Open Access strategy in Angola. Vol. 33 of 38
description: {"references": ["PREMIS Working Group (2008). Data Dictionary for Preservation Metadata, version 2.0. Dublin (Ohio): OCLC; Mountain View (California): RLG. Available at: http://www.loc.gov/standards/premis/v2/premis-2-0.pdf", "Digital Preservation Coalition (2008). Digital Preservation Handbook. Available at: http://www.dpconline.org/vendor-reports/download-document/299-digitalpreservation-handbook.html", "MIT Libraries. (2018). Digital Preservation. Available at: https://libraries.mit.edu/about/strategic-initiatives/digital-preservation/", "Ramirez Molina, Ana Yuri. (2021). Aplicaci\u00f3n de estrategias de preservaci\u00f3n digital en la biblioteca y hemeroteca nacionales de M\u00e9xico. Available at: https://preservaciondigital.iib.unam.mx/docs/presentaciones/pd-bndm-hndm.pdf", "CCSDS Secretariat. (2002). Reference Model for an Open Archival Information System (OAIS). Available at: https://siarchives.si.edu/sites/default/files/pdfs/650x0b1.PDF", "Chapter 2. DSpace System Documentation: Functional Overview. (2002). depts.washington.edu. Available at: http://depts.washington.edu/cmditr/dspace/dspace-1.5.1- release/dspace/docs/html/ch02.html"]}
Negative conductance in driven Josephson junctions
Creators: name: Kostur, Marcin
name: Machura, Lukasz
name: Luczka, Jerzy
name: Talkner, Peter
name: Hanggi, Peter
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate an optimal regime of negative-valued conductance, emerging in a resistively and capacitively shunted Josephson junction, which is driven simultaneously by both, a time-periodic (ac) and a constant (dc) current. We analyze the current-voltage characteristics in the regime of absolute negative conductance. We additionally explore the stability of the negative response with respect to the ac-current frequency.
description: 10 pages, 4 figures, Presented at the 20th Marian Smoluchowski Symposium on Statistical Physics, Krakow, September 22-27, 2007; Acta Phys. Pol. B 2008 (in press)
Poynting vector in stationary axisymmetric electrovacuum spacetimes reexamined
Creators: name: Manko, V. S.
name: Rodchenko, E. D.
name: Sadovnikov, B. I.
name: Sod-Hoffs, J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A simple formula, invariant under the duality rotation Φ-> exp(iα) Φ, is obtained for the Poynting vector within the framework of the Ernst formalism, and its application to the known exact solutions for a charged massive magnetic dipole is considered.
description: 9 pages; submitted to Class. Quantum Grav
Discovery and analysis of three faint dwarf galaxies and a globular cluster in the outer halo of the Andromeda galaxy
Creators: name: Martin, N. F.
name: Ibata, R. A.
name: Irwin, M. J.
name: Chapman, S.
name: Lewis, G. F.
name: Ferguson, A. M. N.
name: Tanvir, N.
name: McConnachie, A. W.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the discovery of three faint dwarf galaxies and a globular cluster in the halo of the Andromeda galaxy (M31), found in our MegaCam survey that spans the southern quadrant of M31, from a projected distance of ~50 kpc to \~150 kpc. Though the survey covers 57 sq. degrees, the four satellites lie within 2°of one another. We estimate that the globular cluster lies at a total distance of 175+/-55 kpc from M31, making it the farthest M31 globular cluster known. It also shows the typical characteristics of a bright globular cluster, with a half-light radius of 2.3+/-0.2 pc and an absolute magnitude in the V band of M_{V,0}=-8.5+/-0.3 and contains a very old population with a metallicity of [Fe/H]~-1.3. The three dwarf galaxies are all very faint, with absolute magnitudes in the range -7.3
description: 9 pages, 10 figures, 1 table. Accepted for publication in MNRAS
High conductivity Polarization-induced 2D hole gases in Undoped GaN/AlN Heterojunctions enabled by Impurity Blocking Layers
Creators: name: Chaudhuri, Reet
name: Chen, Zhen
name: Muller, David
name: Xing, Huili Grace
name: Jena, Debdeep
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: High-conductivity undoped GaN/AlN 2D hole gases (2DHGs), the p-type dual of the AlGaN/GaN 2D electron gases (2DEGs), have offered valuable insights into hole transport in GaN and enabled the first GaN GHz RF p-channel FETs. They are an important step towards high-speed and high-power complementary electronics with wide-bandgap semiconductors. These technologically and scientifically relevant 2D hole gases are perceived to be not as robust as the 2DEGs because structurally similar heterostructures exhibit wide variations of the hole density over $Δp_s >$ 7 x 10$^{13}$ cm$^{-2}$, and low mobilities. In this work, we uncover that the variations are tied to undesired dopant impurities such as Silicon and Oxygen floating up from the nucleation interface. By introducing impurity blocking layers (IBLs) in the AlN buffer layer, we eliminate the variability in 2D hole gas densities and transport properties, resulting in a much tighter-control over the 2DHG density variations to $Δp_s \leq$ 1 x 10$^{13}$ cm$^{-2}$ across growths, and a 3x boost in the Hall mobilities. These changes result in a 2-3x increase in hole conductivity when compared to GaN/AlN structures without IBLs.
description: The following article has been accepted by Journal of Applied Physics. After it is published, it will be found at [https://aip.scitation.org/journal/jap]
Singlet Extensions of the MSSM
Creators: name: Barger, Vernon
name: Langacker, Paul
name: Shaughnessy, Gabe
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The Higgs sector of the MSSM may be extended to solve the mu problem by the addition of a gauge singlet scalar field. We consider the consequences of the singlet on the Higgs and neutralino states compositions. We discuss the potential for discovering Higgs bosons of singlet models and observing the unique multilepton signatures of the extended neutralino sector.
description: 8 pages, 6 figures. To appear in Proceedings of SUSY06, the 14th International Conference on Supersymmetry and the Unification of Fundamental Interactions, UC Irvine, California, 12-17 June 2006
High magnetic field induced crossover from the Kondo to Fermi liquid behavior in 1$T$-VTe$_{2}$ single crystals
Creators: name: Ding, Xiaxin
name: Xing, Jie
name: Li, Gang
name: Balicas, Luis
name: Gofryk, Krzysztof
name: Wen, Hai-Hu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The magnetic and magnetotransport properties of metallic 1$T$-VTe$_{2}$ single crystals were investigated at temperatures from 1.3 to 300 K and in magnetic fields up to 35 T. Upon applying a high magnetic field, it is found that the electrical resistivity displays a crossover from the logarithmic divergence of the single-impurity Kondo effect to the Fermi liquid behavior at low temperatures. The Brillouin scale of the negative magnetoresistivity above the Kondo temperature $T_{\rm{K}}$ = 12 K indicates that the Kondo features originate from intercalated V ions, with $S$ = 1/2. Both magnetic susceptibility and Hall effect show an anomaly around $T_{\rm{K}}$. By using the modified Hamann expression we successfully describe the temperature-dependent resistivity under various magnetic fields, which shows the characteristic peak below $T_{\rm{K}}$ due to the splitting of the Kondo resonance.
description: Accepted by Physical Review B
Les déterminants de la pauvreté des ménages de la ville de Kananga
Creators: name: NGINDU KALOMBO André
name: NGALAMULUME LUMBALA Dieudonné
name: KASHIYI KANEYA Justin
Publisher: name: Zenodo
Year: 2023

description: La présente étude analyse les déterminants de la pauvreté des ménages de la ville de Kananga. L’objectif principal poursuivi à l’issu de cette étude est d’identifier les facteurs socio-économiques qui déterminent la pauvreté des ménages de la ville de Kananga. Pour y parvenir, nous avons effectué une enquête auprès de 512 ménages de ladite ville, celle-ci au prorata de chaque commune.

Cependant, nos analyses ont été faites à l’aide du logiciel Stata 15. Après analyse, nous avons abouti aux résultats selon lesquels le niveau d’étude du chef de ménage ; le niveau d’étude du conjoint ou de la conjointe ; la commune de résidence de l’enquêté ; la religion de l’enquêté; le territoire d’origine de l’enquêté et l’accès au crédit sont ainsi des variables qui déterminent la pauvreté des ménages de la ville de Kananga.

Outre l’introduction et la conclusion, la présente étude est subdivisée en quatre points dont le premier porte sur la revue théorique de la pauvreté ; le deuxième sur la revue empirique, le troisième sur le contexte et la méthodologie de l’étude, en fin le dernier sur la présentation et l’interprétation des résultats.
Data flow, standardization, and quality control
Creators: name: Silva, Brenner
name: Software Engineering And Computing And Data Centre
Publisher: name: Zenodo
Year: 2021
Subjects: Digital Earth, research data infrastructure, data web services, metadata management, data, metadata, helmholtz, hgf

description: Earth system cyberinfrastructures include three types of data services: repositories, collections, and federations. These services arrange data by their purpose, level of integration, and governance. For instance, registered data of uniform measurements fulfill the goal of publication but do not necessarily play a part in a data flow system. The data repository provides the first and high level of integration that strongly depends on the standardization of incoming data. Applications within the Digital Earth showcases connect repositories and federated databases to the end-user, the scientist. One example here is the framework Observation to Archive and Analysis (O2A) that is operational and continuously developed at the Alfred-Wegener-Institute, Bremerhaven. The O2A uses OGC standards and a representational state transfer (REST) architecture, where both data and interface operations are openly available. A data repository is one of the components of the O2A framework and much of its functionality, for instance the near real-time monitoring, depends on the standardization of the incoming data. In this context, we develop a modular approach to provide the standardization and the quality control for monitoring of the ingested data. Two modules are under development. First, the driver module that executes transformation of tabular data into a standardized format. Second, the quality control module that runs the quality tests on the ingested data. Both modules rely on the sensor operator and on the data scientist, two actors that interact with both ends of the ingest component of the O2A framework (http://data.awi.de/o2a-doc). The result is the harmonized data of multiple sources accessible at the end-point, or the web service of the data repository (https://dashboard.awi.de/data-xxl/). Here we focus on the concepts and current development that aim at the enhanced monitoring and scientific workflow with a special focus on the modules driver and quality control.
Washington Post-Schar School Poll: Alabama November 2017
Creators: name: Policy, Schar School Of
name: Washington Post
Publisher: name: Roper Center for Public Opinion Research
Year: 2021

description: Following 2017 US Senate special election in Alabama (1); chances of voting in Alabama special election (2); vote for Chief Justice Roy Moore vs. Doug Jones for US Senate (1); Moore vs. Jones on various issues (3); Moore/Jones has higher standards of personal moral conduct (1); positions on which issues more important for vote (1); prefer to have Democrat vs. Republican represent Alabama in US Senate (1); President Donald Trump job performance (1); Moore did/did not make unwanted advances toward teenage girls (2); Republican leaders in Congress calling on Moore to drop out of race (1); elected official who commits immoral act can/cannot fulfill professional duties (1); appropriateness of man in his 30s dating a teenager (2); political partisanship (1).
Stability and Generalization of the Decentralized Stochastic Gradient Descent
Creators: name: Sun, Tao
name: Li, Dongsheng
name: Wang, Bao
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Optimization and Control (math.OC)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: The stability and generalization of stochastic gradient-based methods provide valuable insights into understanding the algorithmic performance of machine learning models. As the main workhorse for deep learning, stochastic gradient descent has received a considerable amount of studies. Nevertheless, the community paid little attention to its decentralized variants. In this paper, we provide a novel formulation of the decentralized stochastic gradient descent. Leveraging this formulation together with (non)convex optimization theory, we establish the first stability and generalization guarantees for the decentralized stochastic gradient descent. Our theoretical results are built on top of a few common and mild assumptions and reveal that the decentralization deteriorates the stability of SGD for the first time. We verify our theoretical findings by using a variety of decentralized settings and benchmark machine learning models.
Discrete Connection Laplacians
Creators: name: Zahariev, Svetoslav
Publisher: name: arXiv
Year: 2006
Subjects: subject: Spectral Theory (math.SP)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 58J50

description: To every Hermitian vector bundle with connection over a compact Riemannian manifold $M$ one can associate a corresponding connection Laplacian acting on the sections of the bundle. We define analogous combinatorial metric dependent Laplacians associated to triangulations of $M$ and prove that their spectra converge, as the mesh of the triangulations approaches zero, to the spectrum of the connection Laplacian.
description: Final version, to appear in Proc. Amer. Math. Soc
Localisation of Geometric Anisotropy
Creators: name: Olhede, Sofia C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistics Theory (math.ST)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 42C40 (primary) 62G08 (secondary)

description: The class of 2-D nonseparable geometrically anisotropic localisation operators is defined, containing highly anisotropic nearly unidirectional localisation operators, as well as isotropic localisation operators. A continuum of anisotropic operators between the extremes of near unidirectionality and isotropy are treated in a single class. The eigensystem of any given operator in this family is determined, thus specifying geometrically anisotropic optimally concentrated functions, and their degree of localisation.
description: 9 pages, 6 Postscript figures
Embedded out-of-distribution detection on an autonomous robot platform
Creators: name: Yuhas, Michael
name: Feng, Yeli
name: Ng, Daniel Jun Xian
name: Rahiminasab, Zahra
name: Easwaran, Arvind
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Machine learning (ML) is actively finding its way into modern cyber-physical systems (CPS), many of which are safety-critical real-time systems. It is well known that ML outputs are not reliable when testing data are novel with regards to model training and validation data, i.e., out-of-distribution (OOD) test data. We implement an unsupervised deep neural network-based OOD detector on a real-time embedded autonomous Duckiebot and evaluate detection performance. Our OOD detector produces a success rate of 87.5% for emergency stopping a Duckiebot on a braking test bed we designed. We also provide case analysis on computing resource challenges specific to the Robot Operating System (ROS) middleware on the Duckiebot.
description: 6 pages, 8 figures
Supreme Court appointments in the charter era: the current debate and its implications for reform
Creators: name: Hanson, Lawrence J
Publisher: name: University of British Columbia
Year: 2008

description: The presence of the Charter of Rights and Freedoms in the Constitution of Canada has transformed the historic discourse about what types of people should be appointed to the Supreme Court and the manner in which they should be selected. During the period between 1949, when the Supreme Court replaced the Judicial Committee of the Privy Council in Britain as Canada's highest appellate body, and the Charter's entrenchment in 1982, the debate centered almost exclusively on questions of federalism. Specifically, the provinces argued that in a federal country, it is inappropriate that the status and composition of the court of last resort be left to the sole discretion of the central government. The Charter, with its enumeration of a variety of social categories, has produced new demands that the Court be more socially representative. Feminist legal scholars and women’s advocacy groups claim that a more representative judiciary in general and Supreme Court in particular would perform both symbolic and instrumental functions, while ethno cultural organizations have to date concentrated almost solely upon the symbolic dimension. By contrast, claims for self-government and separate justice systems illustrate that many aboriginal leaders believe their peoples’ grievances can best be met through disengagement from, rather than further integration into, Canadian political and legal processes. The Charter's presence also has conditioned demands for are formed appointment process. Now that the Court is to serve as the arbiter of citizen-state relations, many suggest, it is improper for the state to have sole control over who is appointed to that body, and therefore a more participatory and pluralistic appointment process is advocated. Clearly, these two broadly-defined reform agendas can conflict with one another. While the provinces demand more diffuse government involvement in the appointment of judges, those concentrating on the Court's Charter responsibilities believe that the state already unduly dominates the process. However, the current debate has further, largely unexplored consequences for potential reform. The failure of most participants in the debate, be they governments, scholars or advocacy groups, to articulate coherent approaches to questions of jurisprudential theory, combined with the difficulties inherent in applying the concept of representation to a judicial body, renders their critiques less valuable as guides to reform. Worse, their inadequate treatment of these issues often results in such critics undermining the legitimacy of the institution whose reform they seek.
$R^2$ curvature-squared corrections on drag force
Creators: name: Fadafan, Kazem Bitaghsir
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The effect of finite-coupling corrections to the drag force on a moving heavy quark in the Super Yang-Mills plasma is investigated. These corrections are related to curvature-squared corrections in the corresponding gravity dual. The results are compared with the dual gauge theory. It is shown that curvature-squared corrections affect the drag force. It is shown that corrections to the drag force depend on the velocity of the heavy quark. The diffusion coefficient of non-relativistic heavy quarks is calculated from the drag force. In addition, we also calculate the drag force on a moving heavy quark in the Gauss-Bonnet background.
description: 12 pages, 1 figure, published version in JHEP
Integrable and superintegrable systems with spin
Creators: name: Winternitz, P.
name: Yurdusen, I.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: A system of two particles with spin s=0 and s=1/2 respectively, moving in a plane is considered. It is shown that such a system with a nontrivial spin-orbit interaction can allow an 8 dimensional Lie algebra of first-order integrals of motion. The Pauli equation is solved in this superintegrable case and reduced to a system of ordinary differential equations when only one first-order integral exists.
description: 12 pages
The Possible Heavy Tetraquarks $qQ\bar q \bar Q$, $qq\bar Q \bar Q$ and $qQ\bar Q \bar Q$
Creators: name: Cui, Ying
name: Chen, Xiao-Lin
name: Deng, Wei-Zhen
name: Zhu, Shi-Lin
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Assuming X(3872) is a $qc \bar q \bar c$ tetraquark and using its mass as input, we perform a schematic study of the masses of possible heavy tetraquarks using the color-magnetic interaction with the flavor symmetry breaking corrections.
description: submitted for publication on June 13, 2006 revised on July 20, 2006
Η προβληματική της δημιουργίας ενός μουσείου Ευρωπαϊκής Ιστορίας - Νέες αναγνώσεις κα πολλαπλές ερμηνείες της Ιστορίας
Creators: name: Τσατσούλη, Πηνελόπη Ρωμύλου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Ιστοριογραφία και Ευρωπαϊκή Ιστορία
Μουσείο, μνήμη και ιστορία
Ιστορική Συνείδηση και Ευρωπαϊκή ταυτότητα
Historiography and European History
Museum, memory and history
Historical consciousness and European identity

description: Στην παρούσα διπλωματική εργασία με αφορμή τη «γέννηση» ενός μουσείου στη λεγόμενη καρδιά της Ευρώπης, τις Βρυξέλλες, ξετυλίγεται η προβληματική της δημιουργίας ενός μουσείου Ευρωπαϊκής Ιστορίας καθώς και οι νέες αναγνώσεις και οι πολλαπλές ερμηνείες της ιστορίας. Πόσο διαχειρίσιμες μπορεί να είναι έννοιες όπως ιστορία, μνήμη, ιστορική συνείδηση και ευρωπαϊκή ταυτότητα στα πλαίσια ενός μουσείου και μάλιστα ενός θεσμού που συνεχώς μεταβάλλεται και μετασχηματίζεται από την εμφάνισή του ακόμα το 19ο αι.; Πως οι πολιτικές ζυμώσεις μετά το Β’ Παγκόσμιο Πόλεμο και κυρίως μετά την πτώση του τείχους του Βερολίνου (1989), διαμόρφωσαν πρακτικές ώστε να δημιουργηθεί μία ενιαία Ευρωπαϊκή ταυτότητα, η οποία να προβάλλεται και από τις εκθέσεις των μουσείων; Οι πολιτικές ζυμώσεις και το όραμα για την ευρωπαϊκή διεύρυνση δημιούργησαν μεγάλες προσδοκίες. Δημιούργησαν όραμα για οικονομική ενοποίηση και ελεύθερη διακίνηση προϊόντων, ιδεών και ανθρώπων εντός της Ένωσης, ενός οικονομικού κολοσσού με ετερόκλητα στοιχεία και μέλη δύσκολα διαχειρίσιμα, μετά από εθνικούς πολέμους και εμφυλίους.
description: The purpose of this thesis is to uncover the challenging task of planning a museum of European History; the new readings and multiple interpretations of history, on the occasion of the "birth" of a museum to, as they say, the heart of Europe, Brussels. How manageable can concepts such as history, memory, historical consciousness and European identity can be in the context of a museum, an institution that is constantly changing and transforming since its appearance from the 19th century? How political fermentations after the World War II and especially after the fall of the Berlin Wall (1989), formed practices to create a unified European identity, which will also be displayed by museum exhibitions. Political fermentations and the vision for European expansion created great expectations, a vision for financial integration and free movement of goods, ideas and people within the European Union. An economic giant with diverse elements and hardly manageable members after national and civil wars.
description: Σε συνεργασία με το Παιδαγωγικό Τμήμα Δημοτικής Εκπαίδευσης (Πανεπιστήμιο Δυτικής Μακεδονίας)
COUP-TF1 antagonizes Nkx25-mediated activation of the calreticulin gene during cardiac development
Creators: name: Guo, Lei; Lynch, Jeffrey; Nakamur, Kimitoshi; Fliegel, Larry; Kasahara, Hideko; Izumo, Seigo; Komuro, Issei; Agellon, Luis B.; Michalak, Marek
Publisher: name: University of Alberta Libraries
Year: 2001

Abstract
Neuroscience-Inspired Algorithms for the Predictive Maintenance of Manufacturing Systems
Creators: name: Malawade, Arnav V.
name: Costa, Nathan D.
name: Muthirayan, Deepan
name: Khargonekar, Pramod P.
name: Faruque, Mohammad A. Al
Publisher: name: arXiv
Year: 2021
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: If machine failures can be detected preemptively, then maintenance and repairs can be performed more efficiently, reducing production costs. Many machine learning techniques for performing early failure detection using vibration data have been proposed; however, these methods are often power and data-hungry, susceptible to noise, and require large amounts of data preprocessing. Also, training is usually only performed once before inference, so they do not learn and adapt as the machine ages. Thus, we propose a method of performing online, real-time anomaly detection for predictive maintenance using Hierarchical Temporal Memory (HTM). Inspired by the human neocortex, HTMs learn and adapt continuously and are robust to noise. Using the Numenta Anomaly Benchmark, we empirically demonstrate that our approach outperforms state-of-the-art algorithms at preemptively detecting real-world cases of bearing failures and simulated 3D printer failures. Our approach achieves an average score of 64.71, surpassing state-of-the-art deep-learning (49.38) and statistical (61.06) methods.
Warped product spaces and geodesic motion in the neighbourhood of hypersurfaces
Creators: name: Dahia, F.
name: Romero, C.
name: Silva, L. F. P.
name: Tavakol, R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the classical geodesic motions of nonzero rest mass test particles and photons in five-dimensional warped product spaces. We show that it is possible to obtain a general picture of these motions, using the natural decoupling that occurs in such spaces between the motions in the fifth dimension and the motion in the hypersurfaces. This splitting allows the use of phase space analysis in order to investigate the possible confinement of particles and photons to hypersurfaces in five-dimensional warped product spaces. Using such analysis, we find a novel form of quasi-confinement which is oscillatory and neutrally stable. We also find that this class of warped product spaces locally satisfy the Z2 symmetry by default. The importance of such a confinement is that it is purely due to the classical gravitational effects, without requiring the presence of brane-type confinement mechanisms.
description: RevTex, 7 pages, 5 figures
Παραχώρηση δημόσιας υπηρεσίας και δημοσίου έργου
Creators: name: Μαλίγκρη, Κωνσταντία Κωνσταντίνου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: συμβάσεις παραχώρησης δημοσίων υπηρεσιών και δημοσίων έργων
Οδηγία 2014/23/ΕΕ
προσυμβατική προστασία στις συμβάσεις παραχώρησης
service and works concessions
Directive 2014/23/EU
disputes arising under a concession

description: Σκοπός της διπλωματικής εργασίας ήταν η μελέτη των συμβάσεων παραχώρησης δημόσιας υπηρεσίας και δημοσίου έργου. Αρχικά, εξετάσαμε την ιστορική εξέλιξη και τη συνταγματική αναγνώριση του εν λόγω θεσμού. Στη συνέχεια καθορίσαμε την έννοια των συμβάσεων παραχώρησης σε ενωσιακό και εθνικό επίπεδο και παρουσιάσαμε αναλυτικά τα χαρακτηριστικά τους στοιχεία. Ακόμη αναφερθήκαμε στο ενωσιακό και εθνικό νομοθετικό καθεστώς, που ισχύει για τις συμβάσεις παραχώρησης, και αναλύσαμε εκτενώς την νέα Οδηγία 2014/23/ΕΕ. Τέλος, ασχοληθήκαμε με τα ένδικα βοηθήματα, που χρησιμοποιούνται για την επίλυση των διαφορών που ανακύπτουν στα πλαίσια μίας σύμβασης παραχώρησης.
description: The aim of the present thesis was the study of service and works concessions. At first, we examined the historical development and the constitutional recognition of service and works concessions. Then we presented the definitions given by the E.U. and the national legislation for the service and works concessions and then we analyzed the features of these contracts. We also examined both the E.U. and the national legislation concerning the service and works concessions and we emphasized to the new Directive 2014/23/EU. Last but not least, we examined the remedies, used for the settlement of disputes arising under a concession.
Huge permittivity and premature metallicity in Bi$_2$O$_2$Se single crystals
Creators: name: Xu, Zhuokai
name: Wang, Jialu
name: Wang, Tao
name: Hu, Wanghua
name: Yang, Xiaohui
name: Lin, Xiao
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Bi$_2$O$_2$Se is a promising material for next-generation semiconducting electronics. It exhibits premature metallicity on the introduction of a tiny amount of electrons, the physics behind which remains elusive. Here we report on transport and dielectric measurements in Bi$_2$O$_2$Se single crystals at various carrier densities. The temperature-dependent resistivity ($ρ$) indicates a smooth evolution from the semiconducting to the metallic state. The critical concentration for the metal-insulator transition (MIT) to occur is extraordinarily low ($n_\textrm{c}\sim10^{16}$ cm$^{-3}$). The relative permittivity of the insulating sample is huge ($ε_\textrm{r}\approx155(10)$) and varies slowly with temperature. Combined with the light effective mass, a long effective Bohr radius ($a_\textrm{B}^*\approx36(2)$ $\textrm{nm}$) is derived, which provides a reasonable interpretation of the metallic prematurity according to Mott's criterion for MITs. The high electron mobility ($μ$) at low temperatures may result from the screening of ionized scattering centers due to the huge $ε_\textrm{r}$. Our findings shed light on the electron dynamics in two dimensional (2D) Bi$_2$O$_2$Se devices.
description: 8 pages, 5 figures, accepted by SCIENCE CHINA: Physics, Mechanics & Astronomy
Comment on 'Design and circuit simulation of nanoscale vacuum channel transistors' by J. Xu, Y. Qin, Y. Shi, Y. Yang and X. Zhang, Nanoscale Adv. 2020, 2, 3582
Creators: name: Forbes, Richard G.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: These comments aim to correct some apparent weaknesses in the theory of field electron emission given in a recent paper about nanoscale vacuum channel transistors, and to improve the presentation of this theory. In particular, it is argued that a "simplified" formula stated in the paper should not be used, because this formula is known to under-predict emission current densities by a large factor (typically around 300 for an emitting surface with local work function 4.5 eV). Thus, the "simplified" formula may significantly under-predict the practical performance of a nanoscale vacuum channel transistor.
description: 5 pages; version as submitted and accepted for publication after review