cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Exact solution of the $2d$ dimer model: Corner free energy, correlation functions and combinatorics
Creators: name: Allegra, Nicolas
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mathematical Physics (math-ph)
subject: Combinatorics (math.CO)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In this work, some classical results of the pfaffian theory of the dimer model based on the work of Kasteleyn, Fisher and Temperley are introduced in a fermionic framework. Then we shall detail the bosonic formulation of the model {\it via} the so-called height mapping and the nature of boundary conditions is unravelled. The complete and detailed fermionic solution of the dimer model on the square lattice with an arbitrary number of monomers is presented, and finite size effect analysis is performed to study surface and corner effects, leading to the extrapolation of the central charge of the model. The solution allows for exact calculations of monomer and dimer correlation functions in the discrete level and the scaling behavior can be inferred in order to find the set of scaling dimensions and compare to the bosonic theory which predict particular features concerning corner behaviors. Finally, some combinatorial and numerical properties of partition functions with boundary monomers are discussed, proved and checked with enumeration algorithms.
description: Final version to be published in Nuclear Physics B (53 pages and a lot of figures)
title: Diario di un filosofo di campagna
Creators: name: Bortolozzo, Roberta
Publisher: name: Roma Tre-Press
Year: 2010

description: Questo contributo è dedicato alla pellicola di Woody Allen A Midsummer Night's sex Comedy, del 1982. I riferimenti filosofici e letterari dell'opera sono molteplici: a partire da Aristotele, Hobbes fino a Eros e civiltà di Marcuse; movimenti filosofici come il pragmatismo di Pierce e Dewey, Mead e Lewis; l'etologia di Darwin e Lorenz fino a Eibl-Eibesfeldt; infine, Freud, immancabile in Allen, con i riferimenti fondamentali al Disagio della civilità e a Totem e tabù.

description: B@belonline vol. 8 Musica e Bildung. Saper suonare e imparare ad ascoltare
Quantum electron liquid and its possible phase transition
Creators: name: Kim, Sunghun
name: Bang, Joonho
name: Lim, Chan-young
name: Lee, Seung Yong
name: Hyun, Jounghoon
name: Lee, Gyubin
name: Lee, Yeonghoon
name: Denlinger, Jonathan D.
name: Huh, Soonsang
name: Kim, Changyoung
name: Song, Sang Yong
name: Seo, Junpil
name: Thapa, Dinesh
name: Kim, Seong-Gon
name: Lee, Young Hee
name: Kim, Yeongkwan
name: Kim, Sung Wng
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Purely quantum electron systems exhibit intriguing correlated electronic phases by virtue of quantum fluctuations in addition to electron-electron interactions. To realize such quantum electron systems, a key ingredient is dense electrons decoupled from other degrees of freedom. Here, we report the discovery of a pure quantum electron liquid, which spreads up to ~ 3 Å in the vacuum on the surface of electride crystal. An extremely high electron density and its weak hybridisation with buried atomic orbitals evidence the quantum and pure nature of electrons, that exhibit a polarized liquid phase as demonstrated by our spin-dependent measurement. Further, upon enhancing the electron correlation strength, the dynamics of quantum electrons changes to that of non-Fermi liquid along with an anomalous band deformation, suggestive of a transition to a hexatic liquid crystal phase. Our findings cultivate the frontier of quantum electron systems, and serve as a platform for exploring correlated electronic phases in a pure fashion.
description: 29 pages, 4 figures, 10 extended data figures
title: Towards reconstitution of autophagy initiation and phagophore expansion
Creators: name: Baumann, Verena
Year: 2022

description: Damit Zellen gesund und funktionsfähig bleiben, müssen schadhafte und überschüssige Bestandteile rasch und effizient beseitigt werden. Der dafür verantwortliche Prozess, der den Abbau und die Wiederverwertung von cytoplasmatischem Material wie defekten Organellen, gefährlichen Pathogenen oder aggregierten Proteinen (Cargo) ermöglicht, wird als Makroautophagie (im Folgenden Autophagie) bezeichnet. Die Autophagie ist hoch konserviert, vom einzelligen Pilz bis hinauf zum Menschen. Am Anfang des Abbauweges wird eine Membranstruktur, die Phagophore, von Grund auf neu gebildet. Diese wächst in weiterer Folge um das abzubauende Material herum, bis sie es gänzlich umschließt. Die dabei entstehende Doppelmembran-Organelle, das Autophagosom, fusioniert im letzten Schritt mit dem Lysosom, wo ihr Inhalt enzymatisch verdaut wird. Die einzelnen Faktoren, die eine erfolgreiche Autophagie gewährleisten, konnten in den letzten Jahren identifiziert und ihre Funktionen Schritt für Schritt entschlüsselt werden. Wie all diese Bausteine jedoch zusammenarbeiten um ein Autophagosom zur richtigen Zeit am richtigen Ort zu generieren, ist in vielen Bereichen noch ungeklärt. Diese Doktorarbeit legt einen speziellen Fokus auf Atg9 Vesikel, die als Plattform für die Rekrutierung weiterer Autophagie-Faktoren identifiziert werden konnten. Dabei werden sie zum Keim für die Entstehung des Autophagosoms. Unter den assemblierten Proteinen finden sich Atg21 und Atg2-Atg18. Mit Hilfe biochemischer und zellbiologischer Methoden konnte gezeigt werden, dass Atg2- Atg18 die Rekrutierung des Atg12 – Atg5-Atg16 Komplexes an die Phagophore- Assembly-Site (PAS), die hauptsächlich von Atg21 forciert wird, unterstützt. Die Hauptfunktion von Atg2 scheint darin zu bestehen, Kontakt zwischen dem ER und der Isolationsmembran herzustellen und Lipide in das sich bildende Autophagosom zu transferieren. In der vorliegenden Arbeit wurde auch gezeigt, dass der Lipidtransfer durch Atg2, Atg9 Proteoliposomen zu einem potenten Substrat für Atg8 Lipidierung macht. Zusätzlich wurde die Interaktion zwischen Atg9 und Atg11 untersucht, mittels derer das Cargo-Material mit der Isolationsmembran verbunden wird.
Route to chaos in optomechanics
Creators: name: Bakemeier, L.
name: Alvermann, A.
name: Fehske, H.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We establish the emergence of chaotic motion in optomechanical systems. Chaos appears at negative detuning for experimentally accessible values of the pump power and other system parameters. We describe the sequence of period doubling bifurcations that leads to chaos, and state the experimentally observable signatures in the optical spectrum. In addition to the semi-classical dynamics we analyze the possibility of chaotic motion in the quantum regime. We find that quantum mechanics protects the optomechanical system against irregular dynamics, such that simple periodic orbits reappear and replace the classically chaotic motion. In this way observation of the dynamical signatures makes it possible to pin down the crossover from quantum to classical mechanics.
description: 5 pages, 7 figures. Final version as published
title: L'utilisation de l'affiche comme outil médiateur dans l'enseignement-apprentissage de la production écrite en classe de 6e HarmoS
title: L'utilisation de l'affiche comme outil médiateur dans l'enseignement-apprentissage de la production écrite en classe de 6e HarmoS
titleType: AlternativeTitle
Creators: name: Hajdari, Mimoza
name: Memaj, Edvina
Publisher: name: Unknown
Year: 0
Subjects: subject: médiation
subject: outil médiateur
subject: appropriation des savoirs
subject: production de l’écrit
subject: schéma narratif

description: Nous nous apprêtons à débuter dans notre carrière professionnelle et sommes vivement intéressées à connaître les conséquences ainsi que le processus concernant l’utilisation d’un outil médiateur matériel sur les apprentissages des élèves. En effet, nous avons appris au cours de notre formation passablement de concepts théoriques montrant les bienfaits de l’utilisation d’un outil médiateur matériel pour intérioriser les savoirs disciplinaires. Dans un premier temps, ils apparaissent sous une forme matérielle puis progressivement les élèves les intériorisent jusqu'à s’en détacher et ne plus en avoir besoin. C’est cette progression que nous souhaitons rendre visible dans le cadre d’une étude de cas. Nous avons donc observé et analysé comment les élèves s’appropriaient un savoir disciplinaire spécifique dans la discipline du français qui est le schéma narratif. Il s’agissait de construire un outil médiateur avec une classe d’élèves de 6H leur permettant de s'approprier le schéma narratif à travers l’écriture d’un récit d’aventure. Jusque-là, nous n’avions pas encore pu expérimenter cela par nous-mêmes. Le fait de le vivre nous a permis de nous rendre compte des processus cognitifs par lesquels les élèves passent afin d’utiliser un outil médiateur ainsi que les différentes étapes par lesquelles ils étaient amenés à passer pour s'approprier le schéma narratif.
Algebraic quantum kk-theory
Creators: name: Ellis, Eugenia
Publisher: name: arXiv
Year: 2014
Subjects: subject: K-Theory and Homology (math.KT)
subject: FOS: Mathematics

description: Let $\mathcal{G}$ be an algebraic quantum group. We introduce an equivariant algebraic $kk$-theory for $\mathcal{G}$-module algebras. We study an adjointness theorem related with smash product and trivial action. We also discuss a duality property.
description: In this version we define a kk-theory for algebraic quantum groups, not only in the compact case as in the previous version. 21 pages
title: Ertragssteuerliche Auswirkungen des wirtschaftlichen Eigentums bei Leasingverträgen
Creators: name: Pencik, Sophie
Year: 2022

description: Die Abschlussarbeit beschäftigt sich mit Leasingverträgen in Österreich, welche aufgrund der fehlenden gesetzlichen Regelung eine Vielzahl von Vertragskonstruktionen umfassen und trotz ihrer großen wirtschaftlichen Bedeutung am Unternehmenshorizont eine Definition der Verträge schwierig macht. Zentrale Frage ist, welche Auswirkungen das wirtschaftliche Eigentum auf die Zurechnung von Leasingverträgen hat. Eine Änderung der grundsätzlichen, dem zivilrechtlichen Eigentum folgenden Zurechnung des Leasingguts zum Leasinggeber auf den Leasingnehmer löst schwerwiegende bilanzielle und steuerliche Folgen für beide Vertragspartner aus. Die Voraussetzungen für solch einen Zurechnugswechsel unterliegen, wie der Vertragstyp des Leasing selbst, keinen expliziten gesetzlichen Vorschriften. Somit wird sowohl auf die Rechtspraxis der Finanzverwaltung, als auch auf die Rechtsprechung des VwGH abgestellt. Während die Finanzverwaltung mithilfe der EStR versucht eine spezifische Voraussetzungskette zu erstellen, wird diese nicht in jedem Sachverhalt vom VwGH bestätigt, was in einer gewissen Unsicherheit für den Rechtsanwender resultiert. Die Abschlussarbeit beleuchtet sowohl die Voraussetzungen der Finanzverwaltung als auch des VwGH, in dem Versuch Parallelen und Differenzen aufzuzeigen
Squares of Random Linear Codes
Creators: name: Cascudo, Ignacio
name: Cramer, Ronald
name: Mirandola, Diego
name: Zémor, Gilles
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Given a linear code $C$, one can define the $d$-th power of $C$ as the span of all componentwise products of $d$ elements of $C$. A power of $C$ may quickly fill the whole space. Our purpose is to answer the following question: does the square of a code "typically" fill the whole space? We give a positive answer, for codes of dimension $k$ and length roughly $\frac{1}{2}k^2$ or smaller. Moreover, the convergence speed is exponential if the difference $k(k+1)/2-n$ is at least linear in $k$. The proof uses random coding and combinatorial arguments, together with algebraic tools involving the precise computation of the number of quadratic forms of a given rank, and the number of their zeros.
Beyond the E-value: stratified statistics for protein domain prediction
Creators: name: Ochoa, Alejandro
name: Storey, John D.
name: Llinás, Manuel
name: Singh, Mona
Publisher: name: arXiv
Year: 2014
Subjects: subject: Genomics (q-bio.GN)
subject: FOS: Biological sciences

description: E-values have been the dominant statistic for protein sequence analysis for the past two decades: from identifying statistically significant local sequence alignments to evaluating matches to hidden Markov models describing protein domain families. Here we formally show that for "stratified" multiple hypothesis testing problems, controlling the local False Discovery Rate (lFDR) per stratum, or partition, yields the most predictions across the data at any given threshold on the FDR or E-value over all strata combined. For the important problem of protein domain prediction, a key step in characterizing protein structure, function and evolution, we show that stratifying statistical tests by domain family yields excellent results. We develop the first FDR-estimating algorithms for domain prediction, and evaluate how well thresholds based on q-values, E-values and lFDRs perform in domain prediction using five complementary approaches for estimating empirical FDRs in this context. We show that stratified q-value thresholds substantially outperform E-values. Contradicting our theoretical results, q-values also outperform lFDRs; however, our tests reveal a small but coherent subset of domain families, biased towards models for specific repetitive patterns, for which FDRs are greatly underestimated due to weaknesses in random sequence models. Usage of lFDR thresholds outperform q-values for the remaining families, which have as-expected noise, suggesting that further improvements in domain predictions can be achieved with improved modeling of random sequences. Overall, our theoretical and empirical findings suggest that the use of stratified q-values and lFDRs could result in improvements in a host of structured multiple hypothesis testing problems arising in bioinformatics, including genome-wide association studies, orthology prediction, motif scanning, and multi-microarray analyses.
description: 31 pages, 8 figures, does not include supplementary files
Effective Early Stopping of Point Cloud Neural Networks
Creators: name: Zoumpekas, Thanasis
name: Salamó, Maria
name: Puig, Anna
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Early stopping techniques can be utilized to decrease the time cost, however currently the ultimate goal of early stopping techniques is closely related to the accuracy upgrade or the ability of the neural network to generalize better on unseen data without being large or complex in structure and not directly with its efficiency. Time efficiency is a critical factor in neural networks, especially when dealing with the segmentation of 3D point cloud data, not only because a neural network itself is computationally expensive, but also because point clouds are large and noisy data, making learning processes even more costly. In this paper, we propose a new early stopping technique based on fundamental mathematics aiming to upgrade the trade-off between the learning efficiency and accuracy of neural networks dealing with 3D point clouds. Our results show that by employing our early stopping technique in four distinct and highly utilized neural networks in segmenting 3D point clouds, the training time efficiency of the models is greatly improved, with efficiency gain values reaching up to 94\%, while the models achieving in just a few epochs approximately similar segmentation accuracy metric values like the ones that are obtained in the training of the neural networks in 200 epochs. Also, our proposal outperforms four conventional early stopping approaches in segmentation accuracy, implying a promising innovative early stopping technique in point cloud segmentation.
title: L'influence de l'approche CLIL sur la dynamique motivationnelle des élèves dans l'apprentissage de la langue allemande au primaire
title: L'influence de l'approche CLIL sur la dynamique motivationnelle des élèves dans l'apprentissage de la langue allemande au primaire
titleType: AlternativeTitle
Creators: name: Dragusha, Arta
name: Idrizi, Arena
Publisher: name: Unknown
Year: 0
Subjects: subject: Apprentissage
subject: acquisition
subject: CLIL
subject: motivation
subject: dynamique motivationnelle
subject: connaissances implicites
subject: connaissances explicites

description: Ce mémoire est centré sur l’influence de l’approche CLIL (Content and Language Integrated Learning) sur la motivation des élèves quant à l’apprentissage/acquisition d’une langue-culture étrangère (l’allemand). La partie théorique définit les concepts de l’acquisition/apprentissage d’une langue-culture étrangère, de la motivation en tenant compte de la dynamique motivationnelle, ainsi que de l’approche CLIL en lien avec le processus de bi-focalisation (apprentissage de la langue et du contenu). La partie pratique décrit la mise en place de ce projet dans nos classes respectives, basé sur l’approche CLIL avec le thème suivant « Die Haare zu Berge ». À la suite, une analyse des deux questionnaires que nous avons fait passer dans nos classes est également présentée. Un lien avec le cadre théorique et la pratique nous a permis d’amener des réponses à notre question de recherche. Nous partons du constat qu’une approche CLIL a des effets positifs sur la motivation des élèves. En effet, dans une telle démarche, les élèves acquièrent la langue étrangère de manière inconsciente et naturelle, car leur attention est focalisée sur un double objectif. En lien avec le concept de la dynamique motivationnelle (Viau, 2004), les éléments importants à retenir sont la valeur de la tâche et le sentiment de compétence à réussir une tâche. Il est donc essentiel de proposer des tâches qui possèdent ces caractéristiques. Finalement, CLIL propose une piste pour l’enseignement d’une langue-culture étrangère dans nos classes. Néanmoins, les compétences d’organisation et d’adaptation sont essentielles pour la mise en place d’un tel projet.
title: Beiträge zur somatischen Embryogenese beim Süßholz (Glycyrrhiza glabra)
Creators: name: Kazianka, Christine
Year: 2022

description: Die vorliegende Arbeit befaßt sich mit Studien zur direkten somatischen Embryogenese bei Glycyrrhiza glabra L., wozu die Eignung verschiedener pflanzlicher Wuchsstoffe untersucht wurde.
description: The present thesis deals with investigations on direct and indirekt somatic embryogenesis in Glycyrrhiza glabra L. For this purpose various plant growth regulators were studied.
Convolutional Neural Networks Quantization with Attention
Creators: name: Wu, Binyi
name: Waschneck, Bernd
name: Mayr, Christian Georg
Publisher: name: arXiv
Year: 2022
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: It has been proven that, compared to using 32-bit floating-point numbers in the training phase, Deep Convolutional Neural Networks (DCNNs) can operate with low precision during inference, thereby saving memory space and power consumption. However, quantizing networks is always accompanied by an accuracy decrease. Here, we propose a method, double-stage Squeeze-and-Threshold (double-stage ST). It uses the attention mechanism to quantize networks and achieve state-of-art results. Using our method, the 3-bit model can achieve accuracy that exceeds the accuracy of the full-precision baseline model. The proposed double-stage ST activation quantization is easy to apply: inserting it before the convolution.
description: Preprint of an article published in International Journal of Neural Systems, [10.1142/S0129065722500514] \c{opyright} [copyright World Scientific Publishing Company] [https://www.worldscientific.com/doi/10.1142/S0129065722500514]
The luminosity and stellar mass functions of GRB host galaxies: Insight into the metallicity bias
Creators: name: Trenti, Michele
name: Perna, Rosalba
name: Jimenez, Raul
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Long-Duration Gamma-Ray Bursts (GRBs) are powerful probes of the Universe star formation history, but correlation between the two depends on the highly debated presence/strength of a metallicity bias. To investigate this correlation, we use a phenomenological model that successfully describes star formation rates, luminosities and stellar masses of star forming galaxies, applying it to GRB production. We predict luminosities, stellar masses, and metallicities of host galaxies depending on the metallicity bias. Our best-fitting model includes a moderate metallicity bias, broadly consistent with the large majority of long-duration GRBs in metal-poor environments originating from collapsars (probability ~83%), but with a secondary contribution (~17%) from metal-independent production channels, such as binary evolution. Because of the mass-metallicity relation of galaxies, the maximum likelihood model predicts that the metal-independent channel becomes dominant at z<2, where hosts have higher metallicities and collapsars are suppressed. This possibly explains why some studies find no clear evidence of a metal-bias based on low-z samples. However, while metallicity predictions match observations well at high redshift, there is tension with low redshift observations, since a significant fraction of GRB hosts are predicted to have (near-)solar metallicity. This is in contrast to observations, unless obscured, metal-rich hosts are preferentially missed in current datasets, and suggests that lower efficiencies of the metal-independent GRB channel might be preferred following a comprehensive fit from complete samples. Overall, we are able to establish the presence of a metallicity bias for GRB production, but continued characterization of GRB host galaxies is needed to quantify its strength.
description: 15 pages, 12 figures, 2 tables, ApJ accepted, revision includes new predictions for GRB host metallicity. Model data publicly available at: http://www.ast.cam.ac.uk/~trenti/release_modeldata_20150119.tar.gz
Wi-attack: Cross-technology Impersonation Attack against iBeacon Services
Creators: name: Na, Xin
name: Guo, Xiuzhen
name: He, Yuan
name: Xi, Rui
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: iBeacon protocol is widely deployed to provide location-based services. By receiving its BLE advertisements, nearby devices can estimate the proximity to the iBeacon or calculate indoor positions. However, the open nature of these advertisements brings vulnerability to impersonation attacks. Such attacks could lead to spam, unreliable positioning, and even security breaches. In this paper, we propose Wi-attack, revealing the feasibility of using WiFi devices to conduct impersonation attacks on iBeacon services. Different from impersonation attacks using BLE compatible hardware, Wi-attack is not restricted by broadcasting intervals and is able to impersonate multiple iBeacons at the same time. Effective attacks can be launched on iBeacon services without modifications to WiFi hardware or firmware. To enable direct communication from WiFi to BLE, we use the digital emulation technique of cross technology communication. To enhance the packet reception along with its stability, we add redundant packets to eliminate cyclic prefix error entirely. The emulation provides an iBeacon packet reception rate up to 66.2%. We conduct attacks on three iBeacon services scenarios, point deployment, multilateration, and fingerprint-based localization. The evaluation results show that Wi-attack can bring an average distance error of more than 20 meters on fingerprint-based localization using only 3 APs.
description: 9 pages; 26 figures; 2021 18th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON), 2021
title: Apprendre en collectif au primaire
title: Sous quelle forme l'hétérogénéité implique-t-elle une réelle interdépendance positive propice aux apprentissages des élèves ?
titleType: Subtitle
title: Apprendre en collectif au primaire
titleType: AlternativeTitle
Creators: name: Comte, Mélissa
Publisher: name: Unknown
Year: 0

description: Enseigner dans une classe est un véritable défi, en effet, après plusieurs stages et observations un point commun fait surface. Ce dernier a été la source d’une interpellation pour cette étude, il s’agit de la difficulté des élèves à s’engager dans la tâche. A travers cette démarche de recherche, les facteurs qui jouent un rôle sur l’engagement dans la tâche des élèves ont été questionnés. Il a fallu passer par de nombreuses recherches dans la revue de littérature et les formes de travail collectives semblent être prometteuses pour la construction des savoirs chez les enfants. En effet, le Plan d’Etude Romand, qui est la référence commune, prône la Capacité transversale de la collaboration. Plusieurs chercheurs sont également en accord avec les bienfaits des interactions sociales sur les apprentissages à construire et nombreuses sont les études qui démontrent les avantages des formations hétérogènes de niveau. Dans cette étude, il est question de s’intéresser à ce facteur d’hétérogénéité propice aux apprentissages et de répondre à la question de recherche : Sous quelle forme l’hétérogénéité implique-t-elle une réelle interdépendance positive propice aux apprentissages des élèves ? Deux hétérogénéités ont été confrontées : l’hétérogénéité de niveau et l’hétérogénéité relationnelle. Mais quatre types de formation ont été testées dans le but de déterminer sous quelle forme cette hétérogénéité est propice aux apprentissages : Les binômes affinitaires symétriques, les binômes affinitaires dissymétriques, les binômes non-affinitaires symétriques et les binômes non-affinitaires dissymétriques. Les résultats de l’étude montrent qu’une hétérogénéité relationnelle et une homogénéité de niveau à l’interne des groupes pousseraient les élèves à construire leur savoir. Les binômes nonaffinitaires symétriques seraient donc favorables à l’apprentissage chez les élèves. Ce constat vient confronter la manière de faire d’un bon nombre d’enseignants qui espèrent voir un apprentissage des pairs entre élèves affinitaires. De plus, cette étude donne des pistes prometteuses pour les apprentissages face à une hétérogénéité grandissant un peu plus chaque jour dans nos classes.
Dynamic message-passing equations for models with unidirectional dynamics
Creators: name: Lokhov, Andrey Y.
name: Mézard, Marc
name: Zdeborová, Lenka
Publisher: name: arXiv
Year: 2014
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Understanding and quantifying the dynamics of disordered out-of-equilibrium models is an important problem in many branches of science. Using the dynamic cavity method on time trajectories, we construct a general procedure for deriving the dynamic message-passing equations for a large class of models with unidirectional dynamics, which includes the zero-temperature random field Ising model, the susceptible-infected-recovered model, and rumor spreading models. We show that unidirectionality of the dynamics is the key ingredient that makes the problem solvable. These equations are applicable to single instances of the corresponding problems with arbitrary initial conditions, and are asymptotically exact for problems defined on locally tree-like graphs. When applied to real-world networks, they generically provide a good analytic approximation of the real dynamics.
description: Final version
title: Sektion Donauland - eine Annäherung
Creators: name: Kufner, Daniel
Year: 2022

description: Die Sektion Donauland hat sich seit ihrer Gründung gegen die Bezeichnung "jüdische Sektion" gewehrt. Die Forschung hat diese Diktion jedoch bis in die 1990er Jahre mehr oder weniger unreflektiert weitertradiert. Die hier vorliegende Arbeit bricht dieses Konstrukt auf, indem relevante Themen wie früher Sozialismus, (Frauen-) Emanzipation, Antisemitismus, Zionismus, Burgfrieden im Ersten Weltkrieg, "Ostjuden" usw. mit vielen Einzelbiografien verbunden werden und stellt das Selbstverständnis der 536 Erstmitglieder in den Vordergrund. Der Zeitraum der Untersuchung erstreckt sich hauptsächlich auf die fassbare Lebensspanne der Donauland-Erstmitglieder im 19. Jahrhundert bis zur Gründung Donaulands 1921. Zwei Forschungsfragen umrahmen das Thema: 1. Was ist das Selbstverständnis der Erstmitglieder; insbesondere in Bezug auf ihre jüdische Herkunft? 2. Wurde die Donauland neben den "jüdischen" Mitgliedern auch von einem Teil solidarisch denkender Menschen nicht-jüdischer Herkunft gegründet? Das zweite Kapitel fokussiert auf die sogenannte "Affäre Donauland", die den eigentlichen Ausschluss der Menschen jüdischer Herkunft aus der Sektion Austria und in Folge aus dem gesamten Alpenverein beschreibt. Hier kann gezeigt werden, dass der Antisemitismus der breiten Öffentlichkeit mit dem vereinsinternen in einer sich gegenseitig verstärkenden Wechselbeziehung steht. Außerdem kann man sehen, wie die jüdische Öffentlichkeit -- jüdischnationale Verbände beispielsweise -- auf den Ausschlussversuch der Mitglieder jüdischer Herkunft reagiert. Der analytische Teil der Prosopographie untermauert die These der (groß-)bürgerlichen Zusammensetzung der Mitglieder durch Analyse der Wohnbezirke, Vermögensverhältnisse, Geschlechtergruppen und Religion und stellt diese in Zusammenhang mit anderen Vereinen bzw. Sektionen des Alpenvereins. Abgerundet wird diese Analyse durch biografische Steckbriefe aller 536 Menschen in Form einer Liste, die einen schnellen Überblick ermöglichen soll.
Открытые данные о биоразнообразии для науки и практики
Creators: name: Иванова, Наталья Владимировна
Publisher: name: Zenodo
Year: 2020
Subjects: GBIF, data reuse

description: Презентация доклада на круглом столе "Оцифровка и мобилизация данных на севере Западной Сибири"
Dressed Quark Mass Dependence of Pion and Kaon Form Factors
Creators: name: Ninomiya, Y.
name: Bentz, W.
name: Cloët, I. C.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The structure of hadrons is described well by the Nambu--Jona-Lasinio (NJL) model, which is a chiral effective quark theory of QCD. In this work we explore the electromagnetic structure of the pion and kaon using the three-flavor NJL model, including effects of confinement and a pion cloud at the quark level. In the calculation there is only one free parameter, which we take as the dressed light quark ($u$ and $d$) mass. In the regime where the dressed light quark mass is approximately $0.25\,$GeV, we find that the calculated values of the kaon decay constant, current quark masses, and quark condensates are consistent with experiment and QCD based analyses. We also investigate the dressed light quark mass dependence of the pion and kaon electromagnetic form factors, where comparison with empirical data and QCD predictions also favors a dressed light quark mass near $0.25\,$GeV.
description: 15 pages and 14 figures
Algebraic elements of the Cremona groups
Creators: name: Blanc, Jérémy
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14E07, 14L30

description: This article studies algebraic elements of the Cremona group. In particular, we show that the set of all these elements is a countable union of closed subsets but it is not closed.
description: 7 pages
Characteristic classes for curves of genus one
Creators: name: Taelman, Lenny
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: We compute the cohomology of the stack M_1 with coefficients in Z[1/2], and in low degrees with coefficients in Z. Cohomology classes on M_1 give rise to characteristic classes, cohomological invariants of families of curves of genus one. We prove a number of vanishing results for those characteristic classes, and give explicit examples of families with non-vanishing characteristic classes.
title: À part entière ou entièrement à part ? Regards d'enseignantes à propos de l'enseignement de l'éducation physique et sportive à l'école primaire
title: À part entière ou entièrement à part ? Regards d'enseignantes à propos de l'enseignement de l'éducation physique et sportive à l'école primaire
titleType: AlternativeTitle
Creators: name: Javet, Loïc
name: Bachmann, Laura
Publisher: name: Unknown
Year: 0
Subjects: subject: EPS
subject: primaire
subject: enseignantes
subject: légitimité
subject: élèves
subject: comparaison

description: Depuis bien longtemps, la légitimité de l’éducation physique et sportive (EPS) dans le programme scolaire fait débat de par son enseignement différent. En 1986, Alain Hébrard disait déjà qu’il s’agissait d’une « discipline à part entière mais entièrement à part » (Hébrard, 1986). Le présent travail de recherche visait à relever les différences susceptibles d’exister dans les comportements des enseignant.e.s lors d’une séance d’EPS et d’une autre discipline scolaire ainsi qu’à mieux comprendre les représentations de cette branche d’enseignement qu’ont les professionnel.le.s du canton de Vaud. Pour ce faire, cinq enseignantes des niveaux 5-6 de l’Harmonisation de la scolarité obligatoire (Harmos), dont le nombre d’années d’expérience variait, ont répondu volontairement à nos questions et l’une d’entre elles a accepté de se laisser filmer durant une séance d’éducation physique et sportive. Les résultats ressortis de notre recherche nous ont démontré que les enseignantes laissent plus de liberté aux élèves en EPS et sont plus tolérantes envers les comportements que nous pourrions qualifier de déviants en salle de classe. En plus de la liberté laissée aux élèves, elles se sentent également davantage libres de suivre le programme ou non et admettent, parfois, de ne pas évaluer les élèves. Lors des entretiens menés avec les enseignantes, à plusieurs reprises, elles ont mentionné que l’EPS était une branche appréciée par la majorité des élèves et de ce fait, les élèves se réjouissaient d’aller en cours d’éducation physique et sportive. Nous avons constaté que l’EPS était alors une discipline scolaire qui pouvait être perçue différemment par les personnes qui côtoient le domaine de l’enseignement.
title: Hawaii Deep Set Longline Fishery
titleType: AlternativeTitle
title: Endangered Species Act (ESA) Section 7(a)(2) Biological Opinion Authorization of the Hawaii Deep-Set Longline Fishery
Creators: name: United States. National Marine Fisheries Service. Pacific Islands Region
Publisher: name: United States. National Marine Fisheries Service. Pacific Islands Region
Year: 2023

description: PIRO-2018-01271
A Peak Synchronization Measure for Multiple Signals
Creators: name: Biswas, Rahul
name: Khamaru, Koulik
name: Majumdar, Kaushik
Publisher: name: arXiv
Year: 2014
Subjects: subject: Methodology (stat.ME)
subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Peaks signify important events in a signal. In a pair of signals how peaks are occurring with mutual correspondence may offer us significant insights into the mutual interdependence between the two signals based on important events. In this work we proposed a novel synchronization measure between two signals, called peak synchronization, which measures the simultaneity of occurrence of peaks in the signals. We subsequently generalized it to more than two signals. We showed that our measure of synchronization is largely independent of the underlying parameter values. A time complexity analysis of the algorithm has also been presented. We applied the measure on intracranial EEG signals of epileptic patients and found that the enhanced synchronization during an epileptic seizure can be modeled better by the new peak synchronization measure than the classical amplitude correlation method.
Evaluation of importance estimators in deep learning classifiers for Computed Tomography
Creators: name: Brocki, Lennart
name: Marchadour, Wistan
name: Maison, Jonas
name: Badic, Bogdan
name: Papadimitroulas, Panagiotis
name: Hatt, Mathieu
name: Vermet, Franck
name: Chung, Neo Christopher
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Deep learning has shown superb performance in detecting objects and classifying images, ensuring a great promise for analyzing medical imaging. Translating the success of deep learning to medical imaging, in which doctors need to understand the underlying process, requires the capability to interpret and explain the prediction of neural networks. Interpretability of deep neural networks often relies on estimating the importance of input features (e.g., pixels) with respect to the outcome (e.g., class probability). However, a number of importance estimators (also known as saliency maps) have been developed and it is unclear which ones are more relevant for medical imaging applications. In the present work, we investigated the performance of several importance estimators in explaining the classification of computed tomography (CT) images by a convolutional deep network, using three distinct evaluation metrics. First, the model-centric fidelity measures a decrease in the model accuracy when certain inputs are perturbed. Second, concordance between importance scores and the expert-defined segmentation masks is measured on a pixel level by a receiver operating characteristic (ROC) curves. Third, we measure a region-wise overlap between a XRAI-based map and the segmentation mask by Dice Similarity Coefficients (DSC). Overall, two versions of SmoothGrad topped the fidelity and ROC rankings, whereas both Integrated Gradients and SmoothGrad excelled in DSC evaluation. Interestingly, there was a critical discrepancy between model-centric (fidelity) and human-centric (ROC and DSC) evaluation. Expert expectation and intuition embedded in segmentation maps does not necessarily align with how the model arrived at its prediction. Understanding this difference in interpretability would help harnessing the power of deep learning in medicine.
description: 4th International Workshop on EXplainable and TRAnsparent AI and Multi-Agent Systems (EXTRAAMAS 2022) - International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS)
Stability and Convergence of Relaxation Schemes to Hyperbolic Balance Laws via a Wave Operator
Creators: name: Miroshnikov, Alexey
name: Trivisa, Konstantina
Publisher: name: arXiv
Year: 2014
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35165, 76N10, 35B45

description: This article deals with relaxation approximations of nonlinear systems of hyperbolic balance laws. We introduce a class of relaxation schemes and establish their stability and convergence to the solution of hyperbolic balance laws before the formation of shocks, provided that we are within the framework of the compensated compactness method. Our analysis treats systems of hyperbolic balance laws with source terms satisfying a special mechanism which induces weak dissipation in the spirit of Dafermos [C.M. Dafermos J. Hyp. Diff. Equations, 3, 505-527, 2006], as well as hyperbolic balance laws with more general source terms. The rate of convergence of the relaxation system to a solution of the balance laws in the smooth regime is established. Our work follows in spirit the analysis presented in [S. Jin, X. Xin, Comm. Pure. Appl. Math. (1995), 48] and [Ch. Arvanitis, Ch. Makridakis, and A.E. Tzavaras, SIAM J. on Num. Anal. (2005), 42-4] for systems of hyperbolic conservation laws without source terms.
description: 31 pages
title: Enseigner les stratégies metacognitives pour favoriser l'apprentissage de l'accord du nom en orthographe grammaticale
title: Enseigner les stratégies metacognitives pour favoriser l'apprentissage de l'accord du nom en orthographe grammaticale
titleType: AlternativeTitle
Creators: name: Baud, Anne-Laure
name: Sena, Elisa
Publisher: name: Unknown
Year: 0
Subjects: subject: orthographe grammaticale
subject: grammaire
subject: accord du nom en nombre
subject: métacognition
subject: enseignement explicite
subject: stratégies métacognitives

description: L’enseignement de l’orthographe grammaticale suscitant souvent de nombreuses incompréhensions chez les élèves, nous nous sommes intéressées à l’efficacité de l’enseignement des stratégies métacognitives en orthographe grammaticale, plus particulièrement sur l’accord du nom en nombre. Sur la base de nos lectures, nous avons créé une séquence didactique fondée sur un enseignement de type explicite. Cette manière de procéder, incluant de rendre transparent les processus de pensée et d’actions utiles à la résolution de la tâche, nous a permis d’introduire l’utilisation de stratégies métacognitives auprès d’élèves d’une classe de cinquième Harmos, du canton de Vaud. Afin de vérifier l’efficacité de notre séquence, nous avons relevé les résultats de la classe entière, qui attestent d’une amélioration globale, mais nous avons également ciblé sur trois élèves en particulier. Cela dans le but de comparer l’efficience de notre enseignement chez des élèves jugés comme « bon scolairement », « dans la norme », et « rencontrant des difficultés ». La grammaire et l’orthographe grammaticale étant toutes deux intimement liées, les résultats montrent que les stratégies mises en place sont efficaces, à condition que les élèves aient bien intégré la notion de « nom ». Il s’agit donc, ici, de construire progressivement les apprentissages, dans un ordre logique en partant de l’enseignement de la grammaire avant de découler sur les règles d’orthographe grammaticale.
Quantum Dynamics of Periodic and Limit-Periodic Jacobi and Block Jacobi Matrices with Applications to Some Quantum Many Body Problems
Creators: name: Damanik, David
name: Lukic, Milivoje
name: Yessen, William
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mathematical Physics (math-ph)
subject: Dynamical Systems (math.DS)
subject: Spectral Theory (math.SP)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We investigate quantum dynamics with the underlying Hamiltonian being a Jacobi or a block Jacobi matrix with the diagonal and the off-diagonal terms modulated by a periodic or a limit-periodic sequence. In particular, we investigate the transport exponents. In the periodic case we demonstrate ballistic transport, while in the limit-periodic case we discuss various phenomena such as quasi-ballistic transport and weak dynamical localization. We also present applications to some quantum many body problems. In particular, we establish for the anisotropic XY chain on $\mathbb{Z}$ with periodic parameters an explicit strictly positive lower bound for the Lieb-Robinson velocity.
description: 26 pages, to appear in Commun. Math. Phys
Atmospheric retrievals for LIFE and other future space missions: the importance of mitigating systematic effects
Creators: name: Alei, Eleonora
name: Konrad, Björn S.
name: Mollière, Paul
name: Quanz, Sascha P.
name: Angerhausen, Daniel
name: Ranganathan, Mohanakrishna
name: collaboration, the LIFE
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Atmospheric retrieval studies are essential to determine the science requirements for future generation missions, such as the Large Interferometer for Exoplanets (LIFE). The use of heterogeneous absorption cross-sections might be the cause of systematic effects in retrievals, which could bias a correct characterization of the atmosphere. In this contribution we quantified the impact of differences in line list provenance, broadening coefficients, and line wing cut-offs in the retrieval of an Earth twin exoplanet orbiting a Sun-like star at 10 pc from the observer, as it would be observed with LIFE. We ran four different retrievals on the same input spectrum, by varying the opacity tables that the Bayesian retrieval framework was allowed to use. We found that the systematics introduced by the opacity tables could bias the correct estimation of the atmospheric pressure at the surface level, as well as an accurate retrieval of the abundance of some species in the atmosphere (such as CO$_2$ and N$_2$O). We argue that differences in the line wing cut-off might be the major source of errors. We highlight the need for more laboratory and modeling efforts, as well as inter-model comparisons of the main radiative transfer models and Bayesian retrieval frameworks. This is especially relevant in the context of LIFE and future generation missions, to identify issues and critical points for the community to jointly work together to prepare for the analysis of the upcoming observations.
description: 24 pages, 12 figures. Proceedings SPIE Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 121803L (2022)
Artificial intelligence and internet of medical things based health-care system for real-time maternal stress – strategies to reduce maternal mortality rate
Creators: name: Vemuri, Praveen Kumar
name: Ankita Kunta
name: Rishitha Challagulla
name: Sreedhar Bodiga
name: Suryanarayana Veeravilli
name: Bodiga, Vijaya Lakshmi
name: K. R. S. Sambasiva Rao
Publisher: name: figshare
Year: 2020
Subjects: Health Care

description: Work pressure and stress are the major issues which affect human health, mainly in the case of pregnant women. The main purpose of this article is how internet of things (IoT) and artificial intelligence can help us to control the mortality rate. IoT allows health-care professionals to be more attentive and to communicate proactively with patients. Nowadays, many people using various smart devices/IoT devices for constant health monitoring for infants. The findings are viewed through the IoT on the smartphone. The internet of medical things (IoMT) – network of interconnected medical devices – is an application of IoT for medical and health-related uses, collection of data, processing for testing, and monitoring. These IoMT devices are rapidly changing health-care delivery. Medical devices provide to send data over a shared network through WIFI.