cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Des milieux pour parler
title: exploration des repères temporels comme supports à l'expression d'élèves adolescents avec une déficience intellectuelle
titleType: Subtitle
Creators: name: Schenker, Valérie
Publisher: name: Unknown
Year: 0
Subjects: subject: Déficience intellectuelle
subject: Adolescence
subject: Repères temporels
subject: Communication
subject: Milieu didactique
subject: Conversation

description: Partir d’une situation de classe, une impression de décalage entre des notions enseignées, en l’occurrence les savoirs liés à l’orientation dans le temps, et la « position » d’élèves adolescents avec une déficience intellectuelle pour recevoir un tel enseignement, leur difficulté à s’approprier ces notions au delà d’une récitation de noms de jours et de mois, pour lancer une recherche. Etre frappée de l’intensité avec laquelle les élèves s’affirment en prononçant ces mots « véhicules » familiers, par la force de leur parole. Relever la difficulté des enseignants à décoder les messages de ces élèves dont le vocabulaire est très limité et qui de plus utilisent de manière non-conventionnelle les mots du temps. Vouloir encourager l’expression verbale. Chercher à comprendre le sens que les élèves donnent aux mots et leur permettre de tisser des liens avec le sens conventionnel. Questionner plus largement le sens et le rôle des repères temporels dans l’organisation de différentes sociétés, et le rapport entre auto-situation dans le temps, conscience de soi, et communication. Construire un enseignement autour de ces mots pour permettre aux élèves de raconter davantage d’eux-mêmes, de leurs intérêts, activités et appartenances hors école. Prendre appui sur ce symbole auditif commun et viser à ce que l’enfant complète sa représentation initiale du mot, afin que les mots utilisés deviennent fiables, respectent un code conventionnel. Proposer les soutiens en termes de milieu dans cet apprentissage de l’expression de soi et de la conversation. Les mots du temps ont une force de cohésion sociale, ils peuvent en retour nous ramener à notre identité, à notre motivation. Savoir d’où on vient, pour savoir où l’on va, où l’on veut aller : voilà la direction choisie pour ce mémoire.
description: Mémoire professionnel, Master of arts en enseignement spécialisé
Control of the process of dispensing the melt in the melting and filling area of the casting shop
Creators: name: Demin, Dmitriy
Publisher: name: figshare
Year: 2020
Subjects: subject: 99902 Engineering Instrumentation
subject: FOS: Other engineering and technologies

description: The aim of research is to develop a concept for constructing a control scheme for the process of dispensing melt from an electric furnace to a casting conveyor using a two-position casting machine. The object of research is the functioning of the melting and casting section of the foundry, considered as an organizational and technical system, the control of which should ensure the specified performance indicators and the provision of the conveyor with liquid metal. The methods of the theory of queuing systems and logical synthesis of control systems were chosen as research methods. A procedure for synthesizing a control system is proposed, taking into account the need to combine several tasks and control options: - synthesis of combined control - along the way and in time, considering the electric furnace as an element of the organizational and technical system "Foundry", the control of which should ensure the fulfillment of the requirements formed by the optimal technological scheme of the process; - constructing an optimal control in terms of speed, ensuring the fulfillment of the requirements for minimizing the deviation of the actual alloy quality indicators from those set at the time of generation of the melt application, considering the electric furnace as a mixer with variable parameters - the chemical composition of the bath, the depth of the bath, the reaction surface area and the temperature of the melt. It is shown that the use of the described control scheme ensures the fulfillment of the compromise optimization criterion, which takes into account both the requirements for minimizing energy consumption and the requirements for minimizing the downtime of the conveyor. The proposed control scheme allows to solve a number of important tasks related to: - with the need to ensure high quality alloy; - minimizing the costs of the smelting process; - with the need to transfer, in a minimum time, the system from the initial state, described by the quality parameters of the alloy when the order is generated by the conveyor, to the specified final one, described by the optimal values of the quality parameters of the alloy; - with the need to implement combined control – on the way and in time – taking into account the fact that the electric furnace is considered as an automatic machine, integrated into the molding and casting line. The proposed control scheme can be taken into account when implementing the procedure for logical synthesis of the control system for the melting and casting complex. The results obtained in the form of a concept for constructing a control scheme for the melt dispensing process can be used for software and hardware implementation and integration into existing industrial control systems for melting and casting equipment.
Rapid high-amplitude gamma-ray variability in Blazar PKS 0507+17
Creators: name: Liao, N. H.
name: Bai, J. M
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report a detailed analysis of $γ$-ray data of 2FGL J0509.9+1802 observed by the Large Area Telescope on board {\it Fermi} satellite, especially focusing on April 2013 when extraordinary $γ$-ray variability has been detected. Localization of $γ$-ray emission during this epoch suggests that the $γ$-ray source only associates with PKS 0507+17. The $γ$-ray emission of PKS 0507+17 is identified at the first time. The daily peak flux is over two orders of magnitude higher than the first two-year average flux, giving an isotropic $γ$-ray luminosity of $\simeq4\times10^{48}$ erg $\rm s^{-1}$. Rapid $γ$-ray variability with doubling time of 2-3 hours has been detected. Such a short doubling timescale has been detected for only a few bright blazars and indicates a location of $γ$-ray emission inside the broad line region. Together with the bluer-when-brighter $γ$-ray spectra, the variability phenomena could be well explained by the classic flat-spectrum radio quasar variability model that includes a fast injection of accelerated electrons and the external Compton cooling process.
description: Accepted for publication in New Astronomy
Los sistemas de información y la innovación como factores de desempeño en los hoteles de Baja California /
Creators: name: Benítez Niebla, Yésica Lizbet
Publisher: name: Universidad Autónoma de Baja California, Mexicali.
Year: 2023
Subjects: subject: Sistemas de información gerencial||Diseño y construcción||Tesis y disertaciones académicas||lemb
subject: T58.6 B46 2022

description: El presente estudio tiene como objetivo determinar el efecto que tienen los sistemas de información, la innovación tecnológica, la innovación en el servicio y en el desempeño de los hoteles de Baja California. Para lo cual se realizó una investigación descriptiva documental, no experimental, transversal, correlacional. El enfoque es cuantitativo, debido a que se aplicó un instrumento tipo cuestionario, cuyas respuestas se presentan mediante la escala de Likert. La población del estudio es de 109 unidades económicas, la muestra es de 86 hoteles, se utilizó un muestreo aleatorio probabilístico. El método estadístico utilizado fue Ecuaciones Estructurales (Modelo PLS-SEM). Los resultados indican una influencia significativa entre la inversión en tecnología, la innovación tecnológica y la innovación en el servicio, lo cual a su vez tiene efectos directos favorables en el desempeño de las empresas de hospedaje. En un menor grado los sistemas de información impactan de forma positiva en la innovación tecnológica de los hoteles y de forma indirecta en el desempeño.
Giovani e Europa: dinamiche nella maturazione di memorie autocritiche nei “nativi europei”
Creators: name: Verderame, Dario
name: Benocci, Beatrice
Publisher: name: Universita' degli Studi di Salerno
Year: 2021
Subjects: Giovani
Memorie europee
Memoria autocritica

description: Il saggio si concentra sui processi che portano alla formazione di “memorie europee” dal basso, assumendo come categoria di riferimento i giovani. Attraverso una ricerca condotta tra gli studenti di tre istituti scolastici della città di Salerno, utilizzando la tecnica del focus group, sono stati indagati tre ambiti di interesse specifici: a) la dialettica tra inclusività ed esclusività della memoria, e le circostanze che la rendono problematica; b) i contenuti sui quali poggia la formazione di “memorie europee”; c) il ruolo ricoperto in questo processo da agenti di socializzazione quali le famiglie e il mondo della scuola. Obiettivi della ricerca sono stati rilevare quali ostacoli incontra il processo di transnazionalizzazione delle memorie e analizzare i processi sulla base dei quali le conoscenze relative ai “passati traumatici” della storia europea danno vita a forme di “memoria autocritica” e a un allargamento dei riferimenti identitari in chiave europea, nei giovani intervistati.
Higher-order boundary layers and regularity for Stokes systems over rough boundaries
Creators: name: Higaki, Mitsuo
name: Zhuge, Jinping
Publisher: name: arXiv
Year: 2022
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 76M50, 76D10, 76D07, 35B27

description: In this paper, we study the large-scale boundary regularity for the Stokes system in periodically oscillating John domains. Our main contribution is the construction of boundary layer correctors of arbitrary order. This is a significant generalization of the known results restricted to the first and second orders. As an application, we prove the large-scale regularity estimate, as well as a Liouville theorem, of arbitrary order for the Stokes system. Our results are also related to higher-order boundary layer tails and wall laws in viscous fluids over rough boundaries.
description: 55pages, 1 figure
title: La différentiation pédagogique
title: pratiques déclarées et représentations
titleType: Subtitle
Creators: name: Hubert Lo Bello, Géraldine
Publisher: name: Unknown
Year: 0
Subjects: subject: différentiation
subject: Pédagogique
subject: Adaptation
subject: Enseignement
subject: Gestion
subject: Hétérogénéité

description: Mémoire professionnel, Master of arts en enseignement spécialisé
Fermi-normal, optical, and wave-synchronous coordinates for spacetime with a plane gravitational wave
Creators: name: Rakhmanov, Malik
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Fermi normal coordinates provide a standardized way to describe the effects of gravitation from the point of view of an inertial observer. These coordinates have always been introduced via perturbation expansions and were usually limited to distances much less than the characteristic length scale set by the curvature of spacetime. For a plane gravitational wave this scale is given by its wavelength which defines the domain of validity for these coordinates known as the long-wavelength regime. The symmetry of this spacetime, however, allows us to extend Fermi normal coordinates far beyond the long-wavelength regime. Here we present an explicit construction for this long-range Fermi normal coordinate system based on the unique solution of the boundary-value problem for spacelike geodesics. The resulting formulae amount to summation of the infinite series for Fermi normal coordinates previously obtained with perturbation expansions. We also consider two closely related normal coordinate systems: optical coordinates which are built from null geodesics and wave-synchronous coordinates which are built from spacelike geodesics locked in phase with the propagating gravitational wave. The wave-synchronous coordinates yield the exact solution of Peres and Ehlers-Kundt which is globally defined. In this case, the limitation of the long-wavelength regime is completely overcome, and the system of wave-synchronous coordinates becomes valid for arbitrarily large distances. Comparison of the different coordinate systems is done by considering the motion of an inertial test mass in the field of a plane gravitational wave.
L'auto-portrait photographique, un outil pour la construction identitaire de l'élève dans l'enseignement spécialisé
Creators: name: André, Cédric
Publisher: name: Unknown
Year: 0
Subjects: subject: Identité
subject: Construction identitaire
subject: Photographie
subject: Portrait
subject: Enseignement spécialisé
subject: Numérique

description: Les élèves orientés vers l’Enseignement Spécialisé ont une image d’eux-mêmes en tant qu’élèves déficientes. Le message que leur délivre l’école ordinaire est celui de l’incompétence, de l’incapacité à s’adapter aux exigences de la société. Dans la classe Développement dont j’ai la responsabilité, ce message négatif est signifié à une période critique de leur développement - l’adolescence - étape cruciale pour la construction de leur identité en tant qu’individu autonome. J’ai mis en place au cours de l’année 2011-2012 une série d’ateliers photographiques qui gravitaient autour de la thématique de l’identité. La prise de vue numérique propose un extraordinaire potentiel pour travailler cette thématique de façon créative. Une exploration diversifiée de la thématique du portrait et de l’autoportrait leur a donné l’opportunité d’explorer des registres et postures qu’ils sont peu habitués à prendre dans le cadre scolaire. Pour éviter le piège d’une introspection narcissique stérile, les ateliers se voulaient des ateliers‘’d’écriture d’images’’ teintés d’humour et empreints d’auto-dérision ; se déformer numériquement avec photo Booth, se déguiser avec des costumes de théâtre, créer son avatarnumérique et bonhomme de neige à la Calvin & Hobbes, figer son corps dans les airs sur un trampoline, se simuler «marchandise périssable» sous une couche de papier cellophane, se convertir l’espace d’un instant en monstre siliconé. Ces mises en scènes ont permis d’aborder sous une forme métaphorique des aspects spécifiques de l’identité. La recherche a pu mettre en évidence des traces de construction identitaire dans les ateliers photographiques autour de l’autoportrait. Les élèves ont fait jouer leur imaginaire pour explorer des identités possibles. Ils ont exprimé de diverses manières leur singularité dans leur construction identitaire et ont mis à jour des stéréotypes dans leurs représentations.
description: Mémoire professionnel, Master of arts en enseignement spécialisé
On the Effective Quasi-Bosonic Hamiltonian of the Electron Gas: Collective Excitations and Plasmon Modes
Creators: name: Christiansen, Martin Ravn
name: Hainzl, Christian
name: Nam, Phan Thành
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We consider an effective quasi-bosonic Hamiltonian of the electron gas which emerges naturally from the random phase approximation and describes the collective excitations of the gas. By a rigorous argument, we explain how the plasmon modes can be interpreted as a special class of approximate eigenstates of this model.
description: 34 pages, 1 figure, final version
title: Comment les enseignants d'éducation physique se positionnent-ils face aux dangers des activités enseignées ?
title: Réflexions autour de la gestion du risque et de l'éducation à la sécurité au travers de la discipline du Parkour
titleType: Subtitle
Creators: name: Schlossbauer, Nora
name: Borel, Jérôme
Publisher: name: Unknown
Year: 0

description: Mémoire professionnel, Master en enseignement pour le degré secondaire I
Production of Higgs boson in association with a pair of fermions in the presence of a circularly polarized laser field
Creators: name: Ouali, M.
name: Ouhammou, M.
name: Benbrik, R.
name: Taj, S.
name: Manaut, B.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the centre of mass frame, we have investigated the process of Higgs production in association with a pair of fermions, $e^{+}e^{-}\rightarrow f\bar{f} H$, at the leading order inside an intense electromagnetic field with circular polarization. Our analytical calculations are based on the Narrow Width Approximation (NWA), which is valid in the leading order. We have considered only the initial particles inside the laser field as a first step. In the second part, we have embedded both initial and final particles in the laser field. We have analyzed the angular distribution of the produced Higgs boson as a function of the laser parameters in both cases. We have found that in the case where both initial and final particles are embedded in the laser field, the order of magnitude of the differential cross-section of the process $e^{+}e^{-}\rightarrowμ^{+}μ^{-}H$ is reduced more significantly, while that of the process $e^{+}e^{-}\rightarrowν\barνH$ is enhanced.
description: 7 pages, 4 figures
title: Le judo en 4ème période d'EPS
title: Quel(s) effet(s) sur le comportement en classe d'élèves du CIN et du CYP1 ?
titleType: Subtitle
Creators: name: Schillaci, Fabrice
Publisher: name: Unknown
Year: 0

description: Mémoire professionnel, Master en enseignement pour le degré secondaire I
Experimental Demonstration of Delay-Bounded Wireless Network Based on Precise Time Synchronization
Creators: name: Tanaka, Haruaki
name: Yamasaki, Yusuke
name: Yasuda, Satoshi
name: Shiga, Nobuyasu
name: Takizawa, Kenichi
name: Chauvet, Nicolas
name: Horisaki, Ryoichi
name: Naruse, Makoto
Publisher: name: arXiv
Year: 2022
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Low latency and reliable information transfer are highly demanded in fifth generation (5G) and beyond 5G wireless communications. A novel delay-bounded wireless media access control (MAC) protocol called Carrier Sense Multiple Access with Arbitration Point (CSMA/AP) was established to strictly ensure the upper boundary of communication delay. CSMA/AP enables collision-free and delay-bounded communications with a simple arbitration mechanism exploiting the precise time synchronization achieved by Wireless Two-Way Interferometry (Wi-Wi). Experimental demonstration and proving the feasibility in wireless environments are among the most critical steps before any further discussion of CSMA/AP and extension to various applications can take in place. In this work described in this paper, we experimentally demonstrated the fundamental principles of CSMA/AP by constructing a star-topology wireless network using software-defined radio terminals combined with precise time synchronization devices. We show that CSMA/AP was successfully operated, even with dynamic changes of the spatial position of the terminal or the capability to accommodate mobility, thanks to the real-time adaption to the dynamically changing environment by Wi-Wi. We also experimentally confirmed that the proposed CSMA/AP principle cannot be executed without Wi-Wi, which validates the importance of precise time synchronization. This study paves the way toward realizing delay-bounded wireless communications for future low-latency and highly reliable critical applications.
description: 13 pages, 12 figures, LaTeX; revised for journal submission, results not changed
Consistency of Monte Carlo Estimators for Risk-Neutral PDE-Constrained Optimization
Creators: name: Milz, Johannes
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 65C05, 90C15, 35R60, 90C48, 90C30, 60H25

description: We apply the sample average approximation (SAA) method to risk-neutral optimization problems governed by nonlinear partial differential equations (PDEs) with random inputs. We analyze the consistency of the SAA optimal values and SAA solutions. Our analysis exploits problem structure in PDE-constrained optimization problems, allowing us to construct deterministic, compact subsets of the feasible set that contain the solutions to the risk-neutral problem and eventually those to the SAA problems. The construction is used to study the consistency using results established in the literature on stochastic programming. The assumptions of our framework are verified on three nonlinear optimization problems under uncertainty.
description: Revised introduction and appendix; 25 pages
Bouncing scalar field cosmology in the polymeric minisuperspace picture
Creators: name: Vakili, B.
name: Nozari, K.
name: Hosseinzadeh, V.
name: Gorji, M. A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study a cosmological setup consisting of a FRW metric as the background geometry with a massless scalar field in the framework of classical polymerization of a given dynamical system. To do this, we first introduce the polymeric representation of the quantum operators. We then extend the corresponding process to reach a transformation which maps any classical variable to its polymeric counterpart. It is shown that such a formalism has also an analogue in terms of the symplectic structure, i.e., instead of applying polymerization to the classical Hamiltonian to arrive its polymeric form, one can use a new set of variables in terms of which Hamiltonian retains its form but now the corresponding symplectic structure gets a new deformed functional form. We show that these two methods are equivalent and by applying of them to the scalar field FRW cosmology see that the resulting scale factor exhibits a bouncing behavior from a contraction phase to an expanding era. Since the replacing of the big bang singularity by a bouncing behavior is one of the most important predictions of the quantum cosmological theories, we may claim that our polymerized classical model brings with itself some signals from quantum theory.
description: 11 pages, 2 figures, to appear in MPLA. (Although the main results in this paper may be considered as a reproduction of the results of reference 16, we would like to draw the reader's attention to the method of "Polymeric symplectic structure" from which the results are obtained.)
Point Cloud Change Detection With Stereo V-SLAM:Dataset, Metrics and Baseline
Creators: name: Lin, Zihan
name: Yu, Jincheng
name: Zhou, Lipu
name: Zhang, Xudong
name: Wang, Jian
name: Wang, Yu
Publisher: name: arXiv
Year: 2022
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Localization and navigation are basic robotic tasks requiring an accurate and up-to-date map to finish these tasks, with crowdsourced data to detect map changes posing an appealing solution. Collecting and processing crowdsourced data requires low-cost sensors and algorithms, but existing methods rely on expensive sensors or computationally expensive algorithms. Additionally, there is no existing dataset to evaluate point cloud change detection. Thus, this paper proposes a novel framework using low-cost sensors like stereo cameras and IMU to detect changes in a point cloud map. Moreover, we create a dataset and the corresponding metrics to evaluate point cloud change detection with the help of the high-fidelity simulator Unreal Engine 4. Experiments show that our visualbased framework can effectively detect the changes in our dataset.
The $W\ellν$-vertex corrections to W-boson mass in the R-parity violating MSSM
Creators: name: Zheng, Min-Di
name: Chen, Feng-Zhi
name: Zhang, Hong-Hao
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Inspired by the astonishing $7σ$ discrepancy between the recent CDF-II measurement and the standard model prediction on the mass of $W$-boson, we investigate the $λ'$-corrections to the vertex of $μ\toν_μe\bar{ν_e}$ decay in the context of the $R$-parity violating minimal supersymmetric standard model. These corrections can raise the $W$-boson mass independently. Combined with recent $Z$-pole and kaon decay measurements, $m_W \lesssim 80.37$ GeV can be reached. We find that these vertex corrections cannot explain the CDF result entirely at the $2σ$ and even $3σ$ levels. However, these corrections together with the oblique contributions can be accordant with the CDF-II result and relevant bounds at the $3σ$ level.
description: 20 pages, 3 figures; More references added, and more constraints considered, final version published in AAPPS Bulletin
Représentations du bon élève chez enseignants et élèves
Creators: name: Perrin, Jude
name: Nguyen, Thi Kim Lien
Publisher: name: Unknown
Year: 0
Subjects: subject: bon élève
subject: représentation
subject: enseignement
subject: apprentissage
subject: motivation
subject: comportement
subject: résultat (notes)

description: Le relativisme des valeurs qui a cours dans les sociétés démocratiques des pays de l’Atlantique nord, depuis quelques décennies, interdit de parler de l’élève en termes de bon ou de mauvais; l’élève est toujours éducable, voire auto-éducable. Mais cela n’empêche pas de le penser en ces termes. Enseignants et élèves sont les deux acteurs principaux du jeu d’enseignement-apprentissage qui devrait être un jeu coopératif et ouvert. Or, celui-ci s’assimile souvent à une partie de colin-maillard où les acteurs évoluent les yeux bandés, sans pouvoir se situer les uns les autres. Qu’attend, au fond, l’enseignant de l’élève? Comment doit être celui-ci pour être qualifié de bon élève par l’enseignant? Sur quoi l’élève se baserait-il pour se considérer lui-même comme un bon élève? C’est à ces interrogations, au cœur même des représentations spontanées des acteurs de l’école, que ce mémoire tente de trouver une réponse, en osant poser la scandaleuse question à des enseignants et des élèves d’établissements secondaires du canton de Vaud, en Suisse: Qu’est-ce un bon élève selon vous? Les entretiens non directifs que nous avons menés auprès des sujets de la recherche dévoilent des représentations du bon élève qui, à des degrés divers, peuvent influencer les postures conscientes ou inconscientes des acteurs et influer sur leurs résultats. En effet, ne faudrait-il pas que les attentes des uns et des autres soient explicitées, que les stratégies soient clairement exprimées de part et d’autre? Ce pour une meilleure collaboration afin de transformer la partie en un jeu gagnant-gagnant.
description: Mémoire professionnel, Master en enseignement pour le degré secondaire I
Spectroscopic analysis of vibrational coupling in multi-molecular excited states
Creators: name: Hammer, Sebastian
name: Linderl, Theresa
name: Tvingstedt, Kristofer
name: Brütting, Wolfgang
name: Pflaum, Jens
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Multi-molecular excited states accompanied by an intra- and inter-molecular geometric relaxation are commonly encountered in optical and electrooptical studies and applications of organic semiconductors as, for example excimers or charge transfer states. Understanding the dynamics of these states is crucial to improve organic devices such as light emitting diodes and solar cells. Their full microscopic description, however, demands for sophisticated tools such as ab-initio quantum chemical calculations which come at the expenses of high computational costs and are prone to errors by assumptions as well as iterative algorithmic procedures. Hence, the analysis of spectroscopic data is often conducted on a phenomenological level only. Here, we present a toolkit to analyze temperature dependent luminescence data and gain first insights into the relevant microscopic parameters of the molecular system at hand. By means of a Franck-Condon based approach considering a single effective inter-molecular vibrational mode and different potentials for the ground and excited state we are able to explain the luminescence spectra of such multi-molecular states. We demonstrate that by applying certain reasonable simplifications the luminescence of charge transfer states as well as excimers can be satisfactorily reproduced for temperatures ranging from cryogenics to above room temperature. We present a semi-classical and a quantum-mechanical description of our model and, for both cases, demonstrate its applicability by analyzing the temperature depended luminescence of the amorphous donor-acceptor heterojunction tetraphenyldibenzoperiflanthene:C$_{60}$ as well as polycrystalline zinc-phthalocyanine to reproduce the luminescence spectra and extract relevant system parameters such as the excimer binding energy.
description: manuscript: 16 pages, 6 figures; supplementary information: 12 pages, 7 figures
Synchronization and stability analysis of an exponentially diverging solution in a mathematical model of asymmetrically interacting agents
Creators: name: Kato, Yusuke
name: Kori, Hiroshi
Publisher: name: arXiv
Year: 2022
Subjects: subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: This study deals with an existing mathematical model of asymmetrically interacting agents. We analyze the following two previously unfocused features of the model: (i) synchronization of growth rates and (ii) initial value dependence of damped oscillation. By applying the techniques of variable transformation and time-scale separation, we perform the stability analysis of a diverging solution. We find that (i) all growth rates synchronize to the same value that is as small as the smallest growth rate and (ii) oscillatory dynamics appear if the initial value of the slowest-growing agent is sufficiently small. Furthermore, our analytical method proposes a way to apply stability analysis to an exponentially diverging solution, which we believe is also a contribution of this study. Although the employed model is originally proposed as a model of infectious disease, we do not discuss its biological relevance but merely focus on the technical aspects.
description: 12 pages, 2 figures
Colour Evolution and Infrared Physics
Creators: name: Plätzer, Simon
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We give a complete account of how soft gluon, massless quark, evolution equations in colour space originate, from a factorization into a hard cross section density operator and a soft function encoding measurements and the projection on definite colours. We detail this formalism up to the two loop level and we demonstrate how the evolution kernels relate to infrared subtractions, and how the resolution of infrared singular regions conspires with the structure of observables the algorithm should be able to predict. The latter allows us to address evolution in different kinematic variables, including energy ordering and angular cutoffs in non-global observables. The soft factor and its evolution resembles a hadronization model including effects such as colour reconnection, and could give insight into the structure of power corrections in observables which require soft gluon evolution.
description: 31 pages, 2 figures, significantly extended with additional appendices and outlook, corresponds to version accepted by JHEP
Scattering of kinks in the $Bφ^{4}$ model
Creators: name: Mohammadi, Mohammad
name: Momeni, Ehsan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this study, based on the $φ^4$ model, a new model (called the $Bφ^4$ model) is introduced in which the potential form for the values of the field whose magnitudes are greater than $1$ is multiplied by the positive number $B$. All features related to a single kink (antikink) solution remain unchanged and are independent of parameter $B$. However, when a kink interacts with an antikink in a collision, the results will significantly depend on parameter $B$. Hence, for kink-antikink collisions, many features such as the critical speed, output velocities for a fixed initial speed, two-bounce escape windows, extreme values, and fractal structure in terms of parameter $B$ are considered in detail numerically. The role of parameter $B$ in the emergence of a nearly soliton behavior in kink-antikink collisions at some initial speed intervals is clearly confirmed. The fractal structure in the diagrams of escape windows is seen for the regime $B\leq 1$. However, for the regime $B >1$, this behavior gradually becomes fuzzing and chaotic as it approaches $B = 3.3$. The case $B = 3.3$ is obtained again as the minimum of the critical speed curve as a function of $B$. For the regime $3.3< B \leq 10$, the chaotic behavior gradually decreases. However, a fractal structure is never observed. Nevertheless, it is shown that despite the fuzzing and shuffling of the escape windows, they follow the rules of the resonant energy exchange theory.
A Concurrent Program Logic with a Future and History
Creators: name: Meyer, Roland
name: Wies, Thomas
name: Wolff, Sebastian
Publisher: name: arXiv
Year: 2022
Subjects: subject: Programming Languages (cs.PL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: Verifying fine-grained optimistic concurrent programs remains an open problem. Modern program logics provide abstraction mechanisms and compositional reasoning principles to deal with the inherent complexity. However, their use is mostly confined to pencil-and-paper or mechanized proofs. We devise a new separation logic geared towards the lacking automation. While local reasoning is known to be crucial for automation, we are the first to show how to retain this locality for (i) reasoning about inductive properties without the need for ghost code, and (ii) reasoning about computation histories in hindsight. We implemented our new logic in a tool and used it to automatically verify challenging concurrent search structures that require inductive properties and hindsight reasoning, such as the Harris set.
Implementation of the pilot course in Career management and entrepreneurship
Creators: name: Caetano, Elsa
Publisher: name: Zenodo
Year: 2022
Subjects: Career management
Entrepreneurship
PhD training
Transferable skills

description: The DocEnhance deliverable no. 3.3 Implementation of the pilot course in Career Management and Entrepreneurship provides an overview over the implementation of the pilot course in Career Management and Entrepreneurship (CM&E) at two universities, in Portugal and Finland. The introduction provides a short overview of the course creation and implementation procedures. The second section is devoted to a short description of piloting universities, namely NOVA University Lisbon in Portugal and Tampere University
 in Finland. The third section describes the course and offers technical information related to the implementation of the CM&E course in the DocEnhance project. In its first subsection, it describes the content of the course developed in the DocEnhance project, while its second subsection describes the process of its implementation in two EU universities in two loops. The fourth section briefly summarizes the evaluation of the course implementation realized within the DocEnhance project.
 Altogether, 62 PhD students at two EU universities participated in two loops of the implementation of the DocEnhance course in Career Management and Entrepreneurship.
Accretion of Dark Energy onto Higher Dimensional Charged BTZ Black Hole
Creators: name: Debnath, Ujjal
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Physics (physics.gen-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this work, we have studied the accretion of $(n+2)$-dimensional charged BTZ black hole (BH). The critical point and square speed of sound have been obtained. The mass of the BTZ BH has been calculated and we have observed that the mass of the BTZ BH is related with square root of the energy density of dark energy which accretes onto BH in our accelerating FRW universe. We have assumed modified Chaplygin gas (MCG) as a candidate of dark energy which accretes onto BH and we have found the expression of BTZ BH mass. Since in our solution of MCG, this model generates only quintessence dark energy (not phantom) and so BTZ BH mass increases during the whole evolution of the accelerating universe. Next we have assumed 5 kinds of parametrizations of well known dark energy models. These models generate both quintessence and phantom scenarios i.e., phantom crossing models. So if these dark energies accrete onto the BTZ BH, then in quintessence stage, BH mass increases upto a certain value (finite value) and then decreases to a certain finite value for phantom stage during whole evolution of the universe. We have shown these results graphically.
description: 15 pages, 6 figures. arXiv admin note: substantial text overlap with arXiv:1312.7462; and text overlap with arXiv:1007.2704 by other authors
title: L'apprentissage du vocabulaire anglais au secondaire I
title: Des listes aux activités
titleType: Subtitle
Creators: name: Paquier, Laura
name: Monnier, Nicolas
Publisher: name: Unknown
Year: 0
Subjects: subject: stratégies
subject: apprentissage du vocabulaire
subject: efficacité
subject: motivation
subject: anglais
subject: enseignement

description: Ce travail de mémoire se veut l’aboutissement d’une recherche que nous avons menée dans deux classes du canton de Vaud au sujet de l’enseignement-apprentissage du vocabulaire. Nous nous sommes posé la question de savoir en quoi l’apprentissage du vocabulaire en classe au travers d’activités dirigées par l’enseignant amenait les élèves à de meilleurs résultats de mémorisation et à une connaissance des mots plus complète que la méthode traditionnelle d’apprentissage de listes de mots à domicile. Cette question nous intéresse particulièrement car, en tant que futurs professionnels de l’enseignement de l’anglais, il nous semble crucial de différencier les méthodes d’apprentissage afin de donner l’occasion à chaque élève de trouver celle qui lui convient. L’apprentissage du vocabulaire dépasse l’image que l’on s’en fait souvent, à savoir une équivalence entre un mot dans une langue d’enseignement et un mot dans la langue-cible. Ainsi, nous avons observé combien il est important de développer chez les apprenants tous les aspects d’un mot, à savoir: le sens, l’usage et la forme. Il est apparu que régulièrement l’enseignant se contente d’un ou deux de ces aspects. Cependant, c’est uniquement en maitrisant ces trois éléments que l’on peut parler d’apprentissage efficace du vocabulaire. D’autre part, nous avons observé que l’espacement et la répétition étaient des notions-clé dans l’apprentissage du vocabulaire. L’enseignant doit en effet être conscient du fait que c’est uniquement en rappelant les mots à des moments distincts qu’ils pourront être appris et maitrisés. Ainsi, deux classes du Secondaire 1 ont été testées selon quatre méthodes d’apprentissage, soit au travers d’une liste de mots apprise à la maison, d’une liste de mots apprise en classe, d’activités réalisées en classe et d’ activités réalisées à domicile. Les résultats, ainsi que des données concernant les pratiques et la motivation des élèves pour l’une ou l’autre des méthodes ont été mesurés afin de comprendre ce qui influence l’apprentissage du vocabulaire chez les élèves.
description: Mémoire professionnel, Master en enseignement pour le degré secondaire I
Self-Supporting Wormholes in Four Dimensions with Scalar Field
Creators: name: Anand, Ankit
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper, we investigated the space-time obtained by quotients of the $AdS_4$ space-time. Further quotient with specific $\mathbb{Z}_2$ is considered. Taking up to the first-order perturbation in metric, we estimated the backreaction of the matter field on space-time geometry. We can calculate the stress-energy tensor's expected value by pulling it back onto the covering space. The average null energy becomes negative when the suitable boundary condition is chosen, resulting in a traversable wormhole.
Mathematical modeling in the problem of searching for the optimal control of the process of producing alloys for machine parts under uncertainty conditions
Creators: name: Demin, Dmitriy
Publisher: name: figshare
Year: 2020
Subjects: subject: 99902 Engineering Instrumentation
subject: FOS: Other engineering and technologies

description: The aim of research is to develop a principle for constructing a mathematical description of a control object, a characteristic feature of which is a two-level uncertainty in the estimation of its parameters, for the choice of optimal control. The object of research is the process of electric arc melting. Regression analysis and methods of fuzzy mathematics are chosen as research methods. A procedure for evaluating the structure and parameters of mathematical models describing the processes of obtaining alloys for parts of power engineering in electric furnaces is proposed, which allows one to bypass the fundamental difficulties associated with the presence of two-level uncertainty and the complexity of the mathematical description of the controlled melting process. It is shown which of the parameters of the mathematical model are to be estimated for the implementation of the known methods of finding optimal control in the linear-quadratic problem and the problem of finding the optimal control in the final state. An algorithm for estimating the parameters of a mathematical model of the process under study in conditions of two-level uncertainty is presented. Implementation of the proposed procedure for evaluating the structure and parameters of mathematical models, based on obtaining an analytical description of the relationship between output and fuzzy input variables in the form of a regression equation and the subsequent use of this description in the structural diagram of the control system, makes it possible to obtain a stable chemical composition and microstructure of the alloy, which determine its high mechanical properties. In this case, the concept of stability assumes that the values of the parameters of the alloy fall within the specified range throughout the entire melting process. Thus, the results obtained suggest the possibility of increasing the parametric reliability of the melting process. The given algorithm for estimating the parameters of the mathematical model of the process under study in conditions of two-level uncertainty can be used to solve the issues of technical implementation of control systems for the alloy production process in the process control system, since it allows calculating in real time those parameters that are not subject to direct control during the technological process.
title: Supersonic Close-coupled Atomization: Experimental Insights
Creators: name: Apell, Niklas
Publisher: name: UNSPECIFIED
Year: 2023

description: Along with the growing economic importance of metal additive manufacturing by processes such as laser-based powder bed fusion, the demand for high-quality metal powders as the corresponding raw material is also increasing. These powders must have a variety of specific properties and be characterized, among other things, by a well-defined particle size distribution. They are primarily produced by the expensive supersonic close-coupled atomization of molten metals, which often results in a significant proportion of powder that is not suitable for additive manufacturing. In order to nevertheless meet the increasing demand and to increase the economic efficiency of the process, it is necessary to develop predictive modeling capabilities, which allow the process parameters to be specifically adjusted to a desired powder quality. In this thesis, the atomization of liquids by means of a generic supersonic close-coupled atomizer is investigated experimentally. The design of the atomizer is based on a real powder production plant. However, instead of molten metal, various substitute liquids are atomized to improve the accessibility for a variety of measurement techniques. In order to investigate the influence of the operational parameters on the atomization result, measurements are carried out using the phase Doppler measurement technique. This allows for determining the local particle size and velocity as well as their distributions. Insights into the atomization mechanisms are gained by different imaging techniques. The results of this thesis contribute to an improved understanding of the supersonic close-coupled atomization process. They show how the interaction between the gas flow and the liquid flow leads to the formation of the spray. Furthermore, they illustrate how the particle size distribution is influenced by the operational parameters and the physical properties of the liquid. They also provide insights into the mechanisms responsible for primary and secondary atomization. Consequently, this thesis provides a foundation for formulating novel models describing the supersonic close-coupled atomization process.
A new standard in high-field terahertz generation: the organic nonlinear optical crystal PNPA
Creators: name: Rader, Claire
name: Zaccardi, Zachary B.
name: Hang, Sin
name: Ho
name: Harrell, Kylie G.
name: Petersen, Paige K.
name: Stephan, Harrison
name: Michaelis, David J.
name: Johnson, Jeremy A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We report the full characterization of a new organic nonlinear optical (NLO) crystal for intense THz generation: PNPA ((E)-4-((4-nitrobenzylidene)amino)-N-phenylaniline). We discuss crystal growth and structural characteristics. We present the wavelength dependence of THz generation, the thickness dependence of the THz spectrum for PNPA crystals, and measure the efficiency. PNPA enables intense THz generation that surpasses NLO crystals DAST and OH-1, which have been the standard in organic high-field THz generators for several years.
description: 11 pages, 7 figures
Bounding Box Disparity: 3D Metrics for Object Detection With Full Degree of Freedom
Creators: name: Adam, Michael G.
name: Piccolrovazzi, Martin
name: Eger, Sebastian
name: Steinbach, Eckehard
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The most popular evaluation metric for object detection in 2D images is Intersection over Union (IoU). Existing implementations of the IoU metric for 3D object detection usually neglect one or more degrees of freedom. In this paper, we first derive the analytic solution for three dimensional bounding boxes. As a second contribution, a closed-form solution of the volume-to-volume distance is derived. Finally, the Bounding Box Disparity is proposed as a combined positive continuous metric. We provide open source implementations of the three metrics as standalone python functions, as well as extensions to the Open3D library and as ROS nodes.
description: 4 pages+1 Page references, 4 Figures, Best Paper Award First Runner-Up @ ICIP2022