cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Addressing Heterophily in Node Classification with Graph Echo State Networks
Creators: name: Micheli, Alessio
name: Tortorella, Domenico
Publisher: name: arXiv
Year: 2023
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Node classification tasks on graphs are addressed via fully-trained deep message-passing models that learn a hierarchy of node representations via multiple aggregations of a node's neighbourhood. While effective on graphs that exhibit a high ratio of intra-class edges, this approach poses challenges in the opposite case, i.e. heterophily, where nodes belonging to the same class are usually further apart. In graphs with a high degree of heterophily, the smoothed representations based on close neighbours computed by convolutional models are no longer effective. So far, architectural variations in message-passing models to reduce excessive smoothing or rewiring the input graph to improve longer-range message passing have been proposed. In this paper, we address the challenges of heterophilic graphs with Graph Echo State Network (GESN) for node classification. GESN is a reservoir computing model for graphs, where node embeddings are recursively computed by an untrained message-passing function. Our experiments show that reservoir models are able to achieve better or comparable accuracy with respect to most fully trained deep models that implement ad hoc variations in the architectural bias or perform rewiring as a preprocessing step on the input graph, with an improvement in terms of efficiency/accuracy trade-off. Furthermore, our analysis shows that GESN is able to effectively encode the structural relationships of a graph node, by showing a correlation between iterations of the recursive embedding function and the distribution of shortest paths in a graph.
description: 15 pages, 10 figures. arXiv admin note: text overlap with arXiv:2212.06538
Searching for anomalous top quark interactions with proton tagging and timing detectors at the LHC
Creators: name: Baldenegro, Cristian
name: Bellora, Andrea
name: Fichet, Sylvain
name: von Gersdorff, Gero
name: Pitt, Michael
name: Royon, Christophe
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the LHC sensitivity to new broad neutral resonances produced in two-photon fusion and decaying to a top quark pair, $γγ\to t\bar{t}$. This is probed in central exclusive $t\bar{t}$ production in proton-proton collisions, $pp \to p t\bar{t} p$. We use the tagging of the intact protons by PPS (CMS) and AFP (ATLAS) and consider the semi-leptonic $t\bar t$ channel. The sensitivity is also mapped onto a set of dimension-8 $γγt\bar{t}$ operators in the large mass limit. Using the kinematical correlations between the intact protons and the reconstructed $t\bar{t}$ system, we obtain a sensitivity to the couplings of the dimension-8 operators of $1.4 \cdot 10^{-11}~\mathrm{GeV}^{-4}$ at 95% CL. The sensitivity to the anomalous couplings is significantly improved down to about $7\cdot 10^{-12}~\mathrm{GeV}^{-4}$ if the proton time-of-flight is known with a precision of 20 ps in future measurements. The 95% CL sensitivity to broad neutral resonances reaches masses of order $ 1500~\mathrm{GeV} $ when using timing information.
description: 23 pages, 10 figures
Hard X-ray irradiation of cosmic silicate analogs: structural evolution and astrophysical implications
Creators: name: Gavilan, L.
name: Jäger, C.
name: Simionovici, A.
name: Lemaire, J. L.
name: Sabri, T.
name: Foy, E.
name: Yagoubi, S.
name: Henning, T.
name: Salomon, D.
name: Martinez-Criado, G.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Protoplanetary disks, interstellar clouds, and active galactic nuclei, contain X-ray dominated regions. X-rays interact with the dust and gas present in such environments. While a few laboratory X-ray irradiation experiments have been performed on ices, X-ray irradiation experiments on bare cosmic dust analogs have been scarce up to now. Our goal is to study the effects of hard X-rays on cosmic dust analogs via in-situ X-ray diffraction. By using a hard X-ray synchrotron nanobeam, we seek to simulate cumulative X-ray exposure on dust grains during their lifetime in these astrophysical environments, and provide an upper limit on the effect of hard X-rays on dust grain structure. We prepared enstatite nanograins, analogs to cosmic silicates, via the melting-quenching technique. These amorphous grains were then annealed to obtain polycrystalline grains. These were characterized via scanning electron microscopy and high-resolution transmission electron microscopy before irradiation. Powder samples were prepared in X-ray transparent substrates and were irradiated with hard X-rays nanobeams (29.4 keV) provided by beamline ID16B of the European Synchrotron Radiation Facility. X-ray diffraction images were recorded in transmission mode. We detected the amorphization of polycrystalline silicates embedded in an organic matrix after an accumulated X-ray exposure of 6.4 x 10$^{27}$ eV cm$^{-2}$. Pure crystalline silicate grains (without resin) did not exhibit amorphization. None of the amorphous silicate samples (pure and embedded in resin) underwent crystallization. We analyzed the evolution of the polycrystalline sample embedded in an organic matrix as a function of X-ray exposure. Loss of diffraction peak intensity, peak broadening, and the disappearance of discrete spots and arcs, revealed the amorphization of the resin embedded (originally polycrystalline) silicate sample.
description: Accepted for publication in Astronomy & Astrophysics on 19/01/2016
Mapping wellbeing after spinal cord injury
Creators: name: Migliorini., Christine
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Reflecting on Concepts of Coloniality /
Creators: name: Lindner, Ulrike
name: Kaltmeier, Olaf
name: Mailaparambil, Binu
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Die Konzepte der Kolonialität / Postkolonialität sind seit den 1980er Jahren in verschiedenen Disziplinen intensiv diskutiert worden. Postkoloniale Theorie hat sich in den Geistes- und Sozialwissenschaften zu einer höchst einflussreichen Denkrichtung entwickelt. Wenig erforscht blieb jedoch ein wichtiger Aspekt dieser Debatten: die signifikanten Unterschiede, aber auch die Überlappungen zwischen den spezifischen Diskursen über Kolonialität / Postkolonialität in Lateinamerika, Indien und Afrika, die hier in den Blick genommen werden. Die unterschiedlichen Historiographien der Kolonialität sind eng verknüpft mit den auch zeitlich divergierenden Erfahrungen von Kolonialismus in den einzelnen Weltregionen. Seit den 980er Jahren hatte in allen Diskursen die Entwicklung postkolonialer Theorien einen bedeutsamen Einfluss, der eine neue kritische und umfassende Beschäftigung mit Kolonialismus und seinen Auswirkungen anstieß. Die lateinamerikanischen, indischen und afrikanischen Debatten über Kolonialität und Postkolonialiät, ihre Unterschiede und ihre gegenseitige Durchdringung lassen sich adäquat nur in Form einer verflochtenen Geschichte der Historiographien darstellen.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Automatic derivation of fermionic many-body theories based on general Fermi vacua
Creators: name: Evangelista, Francesco A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: This paper describes Wick&d, an implementation of the algebra of second-quantized operators normal ordered with respect to general correlated references and the corresponding Wick theorem [W. Kutzelnigg and D. Mukherjee, J. Chem. Phys. 107, 432 (1997)]. Wick&d employs a compact representation of operators and a backtracking algorithm to efficiently evaluate Wick contractions. Since Wick&d can handle both fully and partially contracted terms, it can be applied to both projective and Fock-space many-body formalisms. To demonstrate the usefulness of Wick&d, we use it to evaluate the single-reference coupled cluster equations up to octuple excitations and report an automated derivation and implementation of the second-order driven similarity renormalization group multireference perturbation theory (DSRG-MRPT2).
Application Development with Augmented Reality Technology to Promote Tourism and Products, Chokchai District, Nakhon Ratchasima Province
Creators: name: Kanokmon Rujirakul
Publisher: name: Department of Information Science Faculty of Humanities and Social Sciences, Khon Kaen University
Year: 2023
Subjects: Augmented Reality Application, Community Participation, Tourism and Products, Chokchai District, Nakhon Ratchasima Province

description: Journal of Information Science, 41, 3, 15-31
On a lower bound of the Kobayashi metric
Creators: name: Nikolov, Nikolai
Publisher: name: arXiv
Year: 2015
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 32F45

description: It is shown that a lower bound of the Kobayashi metric of convex domains in C^n does not hold for non-convex domains.
A lower bound for the $Θ$ function on manifolds without conjugate points
Creators: name: Bonthonneau, Yannick
Publisher: name: arXiv
Year: 2016
Subjects: subject: Differential Geometry (math.DG)
subject: Spectral Theory (math.SP)
subject: FOS: Mathematics

description: In this short note, we prove that the usual $Θ$ function on a Riemannian manifold without conjugate points is uniformly bounded from below. This extends a result of Green in two dimensions. This elementary lemma implies that the Bérard remainder in the Weyl law is valid for a manifold without conjugate points, without any restriction on the dimension.
The immunochemistry of leptospiral lipopolysaccharide
Creators: name: Midwinter., Anne Camilla
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
The Anglo-Australian Planet Search XXIV: The Frequency of Jupiter Analogs
Creators: name: Wittenmyer, Robert A.
name: Butler, R. P.
name: Tinney, C. G.
name: Horner, Jonathan
name: Carter, B. D.
name: Wright, D. J.
name: Jones, H. R. A.
name: Bailey, J.
name: O'Toole, Simon J.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We present updated simulations of the detectability of Jupiter analogs by the 17-year Anglo-Australian Planet Search. The occurrence rate of Jupiter-like planets that have remained near their formation locations beyond the ice line is a critical datum necessary to constrain the details of planet formation. It is also vital in our quest to fully understand how common (or rare) planetary systems like our own are in the Galaxy. From a sample of 202 solar-type stars, and correcting for imperfect detectability on a star-by-star basis, we derive a frequency of $6.2^{+2.8}_{-1.6}$% for giant planets in orbits from 3-7 AU. When a consistent definition of "Jupiter analog" is used, our results are in agreement with those from other legacy radial velocity surveys.
description: Accepted for publication in ApJ
Global integration of the Schrödinger equation within the wave operator formalism: The role of the effective Hamiltonian in multidimensional active spaces
Creators: name: Jolicard, Georges
name: Leclerc, Arnaud
name: Viennot, David
name: Killingbeck, John P.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: A global solution of the Schrödinger equation, obtained recently within the wave operator formalism for explicitly time-dependent Hamiltonians [J. Phys. A: Math. Theor. 48, 225205 (2015)], is generalized to take into account the case of multidimensional active spaces. An iterative algorithm is derived to obtain the Fourier series of the evolution operator issuing from a given multidimensional active subspace and then the effective Hamiltonian corresponding to the model space is computed and analysed as a measure of the cyclic character of the dynamics. Studies of the laser controlled dynamics of diatomic models clearly show that a multidimensional active space is required if the wavefunction escapes too far from the initial subspace. A suitable choice of the multidimensional active space, including the initial and target states, increases the cyclic character and avoids divergences occuring when one-dimensional active spaces are used. The method is also proven to be efficient in describing dissipative processes such as photodissociation.
description: 33 pages, 11 figures
Young, blue, and isolated stellar systems in the Virgo Cluster. II. A new class of stellar system
Creators: name: Jones, Michael G.
name: Sand, David J.
name: Bellazzini, Michele
name: Spekkens, Kristine
name: Karunakaran, Ananthan
name: Adams, Elizabeth A. K.
name: Battaglia, Giuseppina
name: Beccari, Giacomo
name: Bennet, Paul
name: Cannon, John M.
name: Cresci, Giovanni
name: Crnojevic, Denija
name: Caldwell, Nelson
name: Fuson, Jackson
name: Guhathakurta, Puragra
name: Haynes, Martha P.
name: Inoue, John L.
name: Magrini, Laura
name: Munoz, Ricardo R.
name: Mutlu-Pakdil, Burcin
name: Seth, Anil
name: Strader, Jay
name: Toloba, Elisa
name: Zaritsky, Dennis
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We discuss five blue stellar systems in the direction of the Virgo cluster, analogous to the enigmatic object SECCO 1 (AGC 226067). These objects were identified based on their optical and UV morphology and followed up with HI observations with the VLA (and GBT), MUSE/VLT optical spectroscopy, and HST imaging. These new data indicate that one system is a distant group of galaxies. The remaining four are extremely low mass ($M_\ast \sim 10^5 \; \mathrm{M_\odot}$), are dominated by young, blue stars, have highly irregular and clumpy morphologies, are only a few kpc across, yet host an abundance of metal-rich, $12 + \log (\mathrm{O/H}) > 8.2$, HII regions. These high metallicities indicate that these stellar systems formed from gas stripped from much more massive galaxies. Despite the young age of their stellar populations, only one system is detected in HI, while the remaining three have minimal (if any) gas reservoirs. Furthermore, two systems are surprisingly isolated and have no plausible parent galaxy within $\sim$30' ($\sim$140 kpc). Although tidal stripping cannot be conclusively excluded as the formation mechanism of these objects, ram pressure stripping more naturally explains their properties, in particular their isolation, owing to the higher velocities, relative to the parent system, that can be achieved. Therefore, we posit that most of these systems formed from ram pressure stripped gas removed from new infalling cluster members, and survived in the intracluster medium long enough to become separated from their parent galaxies by hundreds of kiloparsecs, and that they thus represent a new type of stellar system.
description: Accepted to ApJ
Über die Gewalttheorie von Georges Bataille und ihren Nutzen für die Gewaltsoziologie
Creators: name: Riekenberg, Michael
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: The theory of violence that Georges Bataille elaborated during the 1930s, under the impact of ethnology at that time, does not receive attention in the current sociology of violence. Nevertheless, Bataille stressed two ideas that are worth considering by historians or social scientists who actually examine physical violence. On the one hand, Bataille did not discuss violence as an instrumental means; but rather portrayed it as an act in which people go beyond themselves in order to find their self beyond their own limits. Thus violence is regarded as a transgressive attitude. On the other hand, referring to the emotions that the view of violence provoke in our minds, Bataille discussed in which ways the narrators of violence inscribe themselves into the narration of violence. This text comments on these ideas, while asking about their usefulness for today’s sociology of violence and its relationship to anthropology.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
So (2, 1) algebra, local Fermi velocity, and position-dependent mass Dirac equation
Creators: name: Bagchi, Bijan
name: Ghosh, Rahul
name: Quesne, Christiane
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We investigate the (1+1)-dimensional position-dependent mass Dirac equation within the confines of so(2,1) potential algebra by utilizing the character of a spatial varying Fermi velocity. We examine the combined effects of the two when the Dirac equation is equipped with an external pseuodoscalar potential. Solutions of the three cases induced by so(2, 1) are explored by profitably making use of a point canonical transformation.
description: Accepted in Journal of Physics A: Mathematical and Theoretical (13 pages)
Intensity-borrowing mechanisms pertinent to laser cooling of linear polyatomic molecules
Creators: name: Zhang, Chaoqun
name: Hutzler, Nicholas R.
name: Cheng, Lan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: A study of the intensity-borrowing mechanisms important to optical cycling transitions in laser-coolable polyatomic molecules arising from non-adiabatic coupling, contributions beyond the Franck-Condon approximation, and Fermi resonances is reported. It has been shown to be necessary to include non-adiabatic coupling to obtain computational accuracy that is sufficient to be useful for laser cooling of molecules. The predicted vibronic branching ratios using perturbation theory based on the non-adiabatic mechanisms have been demonstrated to agree well with those obtained from variational discrete variable representation calculations for representative molecules including CaOH, SrOH, and YbOH. The electron-correlation and basis-set effects on the calculated transition properties, including the vibronic coupling constants, the spin-orbit coupling matrix elements, and the transition dipole moments, and on the calculated branching ratios have been thoroughly studied. The vibronic branching ratios predicted using the present methodologies demonstrate that RaOH is a promising radioactive molecule candidate for laser cooling.
Fortalecimiento de la competencia lectora mediante una estrategia pedagógica con el uso de una herramienta digital (genially) en los estudiantes del grado primero de la Institución Educativa de Tierra Bomba, Cartagena.
Creators: name: Ramos Acevedo, Alberto Enrique
Publisher: name: Universidad de Cartagena
Year: 2023
Subjects: subject: Plataforma virtual
subject: Lectura - Enseñanza
subject: Lectura - Enseñanza con ayuda de computadores

description: Este proyecto tiene como objeto identificar los problemas específicos que los estudiantes de este grado enfrentan en relación con la lectura y la escritura, y proponer soluciones efectivas para abordarlos. Para lograr este objetivo, se utilizó una herramienta digital llamada Genially, que demostró ser una herramienta útil y efectiva para enfrentar los desafíos identificados. La implementación de Genially permitió a los estudiantes explorar nuevas formas de aprendizaje y adquirir conocimientos de manera diferente. Esta herramienta proporciona recursos digitales interactivos que fomentan la participación activa de los estudiantes y los motivan a involucrarse en el proceso de aprendizaje. Al utilizar Genially, los estudiantes pudieron mejorar sus habilidades de lectura y escritura de una manera más dinámica y atractiva.
Root polytopes, Tutte polynomials, and a duality theorem for bipartite graphs
Creators: name: Kálmán, Tamás
name: Postnikov, Alexander
Publisher: name: arXiv
Year: 2016
Subjects: subject: Combinatorics (math.CO)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 05C31, 05C65

description: Let G be a connected bipartite graph with color classes E and V and root polytope Q. Regarding the hypergraph (V,E) induced by G, we prove that its interior polynomial is equivalent to the Ehrhart polynomial of Q, which in turn is equivalent to the h-vector of any triangulation of Q. It follows that the interior polynomials of (V,E) and its transpose (E,V) agree. When G is a complete bipartite graph, our result recovers a well known hypergeometric identity due to Saalschütz. It also implies that certain extremal coefficients in the Homfly polynomial of a special alternating link can be read off of an associated Floer homology group.
description: 30 pages, 5 figures
Cooperation in costly-access environments
Creators: name: Perez-Martinez, Hugo
name: Gracia-Lazaro, Carlos
name: Dercole, Fabio
name: Moreno, Yamir
Publisher: name: arXiv
Year: 2022
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: Understanding cooperative behavior in biological and social systems constitutes a scientific challenge, being the object of intense research over the past decades. Many mechanisms have been proposed to explain the presence and persistence of cooperation in those systems, showing that there is no unique explanation, as different scenarios have different possible driving forces. In this paper, we propose a model to study situations in which voluntary participation involves an access cost to the cooperative interaction, besides the cost associated with cooperation. The proposed Costly-Access Prisoner's Dilemma, a symmetric donation game with voluntary and costly participation, breaks the symmetry between abstainers and participants of the Voluntary Prisoner's Dilemma. A mean-field approach shows that, in well-mixed populations, the dynamic always leads the system to abstention. However, depending on the return parameter, numerical simulations in structured populations display an alternating behavior between mono-strategic, multi-stable, and coexistence phases. This behavior is fully explained through a theoretical analysis of the strategic motifs, the transitions being determined by the change in stability of those motifs.
description: 13 pages including 7 figures. Submitted for publication
Representations of Emancipation:
Creators: name: Scheuzger, Stephan
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Die Fragen, ob und wie die unter der Bezeichnung „postcolonial studies“ zusammengefassten Analyseansätze auf lateinamerikanische Verhältnisse anwendbar sind, werden seit rund zwei Jahrzehnten kontrovers diskutiert. Ein Phänomen, das im Zusammenhang der Debatte über die Postkolonialität in Lateinamerika wiederholt angesprochen und erörtert worden ist, war der 1994 im mexikanischen Gliedstaat Chiapas ausgebrochene Aufstand des Ejército Zapatista de Liberación Nacional (EZLN). Der Artikel fragt im Fall dieses Ereignisses aus geschichtswissenschaftlicher Warte nach Möglichkeiten und Grenzen der Einsicht von Analyseperspektiven des Postkolonialismus bzw. des mit Blick auf die historischen Besonderheiten der lateinamerikanischen Entwicklung im Anschluss daran formulierten Konzepts der Kolonialität. Exemplarisch im Mittelpunkt der Betrachtung steht die Analyse des zapatismo von Walter D. Mignolo.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Insulin resistance, polycystic ovary syndrome and the cardiovascular system
Creators: name: Meyer., Caroline
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Flexural Mie Resonances: Localized Surface Platonic Modes
Creators: name: Farhat, M.
name: Guenneau, S.
name: Chen, P. Y.
name: Salama, K. N.
name: Bagci, H.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Classical Physics (physics.class-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Surface plasmons polaritons were thought to exist only in metals near their plasma frequencies. The concept of spoof plasmons extended the realms of plasmonics to domains such as radio frequencies, magnetism, or even acoustic waves. Here, we introduce the concept of localized surface platonic modes (SPMs). We demonstrate that they can be generated on a two-dimensional clamped (or stress-free) cylindrical surface, in a thin elastic plate, with subwavelength corrugations under excitation by an incident flexural plane wave. Our results show that the corrugated rigid surface is elastically equivalent to a cylindrical scatterer with negatively uniform and dispersive flexural rigidity. This, indeed, suggests that plasmonic-like platonic materials can be engineered with potential applications in various areas including earthquake sensing, or elastic imaging and cloaking.
description: 29 pages, 5 figures
“Techniques éprouvées au cours des siècles”:
Creators: name: Brahm, Felix
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Die unabhängig gewordenen afrikanischen Nationalstaaten traten ein schwieriges Erbe an. Die postkolonialen Staatswesen standen vor der Aufgabe an eine kolonial geprägte Verwaltung anzuknüpfen. Die Frage nach Kontinuitäten und Diskontinuitäten in diesem Übergang rückt das Problem der Ausbildung der neuen afrikanischen Verwaltungsbeamten in das Zentrum des Interesses. Der vorliegende Beitrag analysiert vor diesem Hintergrund den Wandel der Pariser Ecole nationale de la France d’outre-mer, die eine Monopolstellung in der Ausbildung der französischen Kolonialadministratoren innehatte, zum Institut des hautes études d’outre-mer, das überwiegend afrikanische Verwaltungsbeamte ausbildete. Die Untersuchung zeigt, dass trotz der von konservativer Seite so empfundenen und bekämpften „Umwälzung“ der Schule, das konzeptionelle Ziel derselben das gleiche blieb: die Ausbildung einer (post-)kolonialen Verwaltungselite. Die Analyse des Kurrikulums macht indes einen Wandel der zu vermittelten Wissenskorpora deutlich: Diese entwickelten sich zu einem Hybrid aus „bewährtem“ kolonialen / metropolitanen Verwaltungswissen und neuen „Techniken“, die unter einem Paradigma sozialer und wirtschaftlicher Entwicklung standen. Die Möglichkeit einer spezialisierten Qualifikation für den höheren Verwaltungsdienst in Paris wurde von den meisten frankophonen afrikanischen Staaten positiv aufgenommen. Wie die Untersuchung zeigt, erlangte die ehemalige Kolonialschule eine bemerkenswerte Funktion als Sprungbrett in hohe Staatsämter zahlreicher afrikanischer Nationalstaaten.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Chaladohn: Website and Database Development for Checking of Online Scammers’ Profiles and Victims Assistance
Creators: name: Therdpong Daengsi
Publisher: name: Department of Information Science Faculty of Humanities and Social Sciences, Khon Kaen University
Year: 2023
Subjects: Website, Chaladohn, Database, Online Scammers, Fraud, Scams

description: Journal of Information Science, 41, 3, 32-47
Foucault Hardly Came to Africa:
Creators: name: Pesek, Michael
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Michel Foucault widmete in seiner Analyse von Machtbeziehungen der kolonialen Situation keinerlei Aufmerksamkeit. Nichtsdestoweniger eröffnete sich für eine neue Generation von Afrikahistorikern in den 1980ern mit Foucaults Konzepten von Gouvernementalität und Disziplinarmacht neue Perspektiven auf koloniale Machtverhältnisse. Sie ermöglichten vor allem, den bis dahin vorherrschenden Fokus auf den kolonialen Staat als zentralen Akteur kolonialer Herrschaft zu hinterfragen. Darüber hinaus rückten kulturelle Aspekte kolonialer Herrschaft stärker in den Vordergrund. Doch Foucaults Konzepten waren an europäischer Geschichte geschult. Die Herausbildung der politischen Rationalität, die Foucault mit Gouvernementalität beschrieben sowie der Karriere von Disziplinartechniken im Reservoir der Mächtigen fußten auf historischen Prozessen, die wenig mit kolonialer Herrschaft gemein hatten. Der Artikel fragt nach den Konsequenzen dieser Differenzen für das Konzept einer kolonialen Gouvernementalität. Dabei geht es vor allem um die räumlichen und zeitlichen Dimensionen kolonialer Herrschaft.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Crowd Management Research Mapping Using Citation Data and Bibliometrics Analysis
Creators: name: Tatsawan Timakum
Publisher: name: Department of Information Science Faculty of Humanities and Social Sciences, Khon Kaen University
Year: 2023
Subjects: Crowd management, Bibliometrics analysis, Citation analysis, Co-citation analysis, Knowledge map analysis

description: Journal of Information Science, 41, 3, 48-72
Controllable Multi-Objective Re-ranking with Policy Hypernetworks
Creators: name: Chen, Sirui
name: Wang, Yuan
name: Wen, Zijing
name: Li, Zhiyu
name: Zhang, Changshuo
name: Zhang, Xiao
name: Lin, Quan
name: Zhu, Cheng
name: Xu, Jun
Publisher: name: arXiv
Year: 2023
Subjects: subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Multi-stage ranking pipelines have become widely used strategies in modern recommender systems, where the final stage aims to return a ranked list of items that balances a number of requirements such as user preference, diversity, novelty etc. Linear scalarization is arguably the most widely used technique to merge multiple requirements into one optimization objective, by summing up the requirements with certain preference weights. Existing final-stage ranking methods often adopt a static model where the preference weights are determined during offline training and kept unchanged during online serving. Whenever a modification of the preference weights is needed, the model has to be re-trained, which is time and resources inefficient. Meanwhile, the most appropriate weights may vary greatly for different groups of targeting users or at different time periods (e.g., during holiday promotions). In this paper, we propose a framework called controllable multi-objective re-ranking (CMR) which incorporates a hypernetwork to generate parameters for a re-ranking model according to different preference weights. In this way, CMR is enabled to adapt the preference weights according to the environment changes in an online manner, without retraining the models. Moreover, we classify practical business-oriented tasks into four main categories and seamlessly incorporate them in a new proposed re-ranking model based on an Actor-Evaluator framework, which serves as a reliable real-world testbed for CMR. Offline experiments based on the dataset collected from Taobao App showed that CMR improved several popular re-ranking models by using them as underlying models. Online A/B tests also demonstrated the effectiveness and trustworthiness of CMR.
Digital Assets Price Prediction Using Sentiment Analysis on Crowd Trading Idea
Creators: name: Seksak Prabpala
Publisher: name: Department of Information Science Faculty of Humanities and Social Sciences, Khon Kaen University
Year: 2023
Subjects: Digital assets, Crowd idea user, Sentiment analysis, Price prediction, Digital trading, Trading ideas

description: Journal of Information Science, 41, 3, 73-92
Student difficulties in translating between mathematical and graphical representations in introductory physics
Creators: name: Lin, Shih-Yin
name: Maries, Alexandru
name: Singh, Chandralekha
Publisher: name: arXiv
Year: 2016
Subjects: subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: We investigate introductory physics students' difficulties in translating between mathematical and graphical representations and the effect of scaffolding on students' performance. We gave a typical problem that can be solved using Gauss's law involving a spherically symmetric charge distribution (a conducting sphere concentric with a conducting spherical shell) to 95 calculus-based introductory physics students. We asked students to write a mathematical expression for the electric field in various regions and asked them to graph the electric field. We knew from previous experience that students have great difficulty in graphing the electric field. Therefore, we implemented two scaffolding interventions to help them. Students who received the scaffolding support were either (1) asked to plot the electric field in each region first (before having to plot it as a function of distance from the center of the sphere) or (2) asked to plot the electric field in each region after explicitly evaluating the electric field at the beginning, mid and end points of each region. The comparison group was only asked to plot the electric field at the end of the problem. We found that students benefited the most from intervention (1) and that intervention (2), although intended to aid students, had an adverse effect. Also, recorded interviews were conducted with a few students in order to understand how students were impacted by the aforementioned interventions.
description: Peer reviewed conference proceedings 4 pages, 1 figure
Studies of a rat plasma HDL conversion factor
Creators: name: Meyer., Barbara J.
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Gravity: a gauge theory perspective
Creators: name: Nester, James M.
name: Chen, Chiang-Mei
Publisher: name: arXiv
Year: 2016
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The evolution of a generally covariant theory is under-determined. One hundred years ago such dynamics had never before been considered; its ramifications were perplexing, its future important role for all the fundamental interactions under the name gauge principle could not be foreseen. We recount some history regarding Einstein, Hilbert, Klein and Noether and the novel features of gravitational energy that led to Noether's two theorems. Under-determined evolution is best revealed in the Hamiltonian formulation. We developed a covariant Hamiltonian formulation. The Hamiltonian boundary term gives covariant expressions for the quasi-local energy, momentum and angular momentum. Gravity can be considered as a gauge theory of the local Poincaré group. The dynamical potentials of the Poincaré gauge theory of gravity are the frame and the connection. The spacetime geometry has in general both curvature and torsion. Torsion naturally couples to spin; it could have a significant magnitude and yet not be noticed, except on a cosmological scale where it could have significant effects.
description: 10 pages, contribution to the Proceedings of the Second LeCosPA Symposium "Everything about Gravity", Taipei, 14-18 Dec., 2015
MRS Drone: A Modular Platform for Real-World Deployment of Aerial Multi-Robot Systems
Creators: name: Hert, Daniel
name: Baca, Tomas
name: Petracek, Pavel
name: Kratky, Vit
name: Penicka, Robert
name: Spurny, Vojtech
name: Petrlik, Matej
name: Vrba, Matous
name: Zaitlik, David
name: Stoudek, Pavel
name: Walter, Viktor
name: Stepan, Petr
name: Horyna, Jiri
name: Pritzl, Vaclav
name: Sramek, Martin
name: Ahmad, Afzal
name: Silano, Giuseppe
name: Licea, Daniel Bonilla
name: Stibinger, Petr
name: Nascimento, Tiago
name: Saska, Martin
Publisher: name: arXiv
Year: 2023
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: This paper presents a modular autonomous Unmanned Aerial Vehicle (UAV) platform called the Multi-robot Systems (MRS) Drone that can be used in a large range of indoor and outdoor applications. The MRS Drone features unique modularity with respect to changes in actuators, frames, and sensory configuration. As the name suggests, the platform is specially tailored for deployment within a MRS group. The MRS Drone contributes to the state-of-the-art of UAV platforms by allowing smooth real-world deployment of multiple aerial robots, as well as by outperforming other platforms with its modularity. For real-world multi-robot deployment in various applications, the platform is easy to both assemble and modify. Moreover, it is accompanied by a realistic simulator to enable safe pre-flight testing and a smooth transition to complex real-world experiments. In this manuscript, we present mechanical and electrical designs, software architecture, and technical specifications to build a fully autonomous multi UAV system. Finally, we demonstrate the full capabilities and the unique modularity of the MRS Drone in various real-world applications that required a diverse range of platform configurations.
description: 49 pages, 39 figures, accepted for publication to the Journal of Intelligent & Robotic Systems
Colonial Governmentality:
Creators: name: Wickramasinghe, Nira
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Das Konzept der kolonialen Gouvernementalität, das in Anlehnung an Foucaults Theorien entwickelt wurde, ist in den letzten zwei Dekaden gerade in der südostasiatischen Geschichte oftmals als Ansatz benutzt wurden, um koloniale Gesellschaften zu interpretieren. Der Aufsatz untersucht diesen Ansatz kritisch und entwickelt eine nuanciertere historische Herangehensweise an koloniale Situationen. An Beispielen aus der Geschichtsschreibung Indiens und Sri Lankas wird erläutert, inwiefern das Projekt der „colonial governmentality / modernity“ eine Überinterpretation der kolonialen Dominanz in der Forschung erzeugte und wie dadurch die Rolle der Kolonisierten und deren Spielräume im kolonialen Machtsystem marginalisiert wurden. Außerdem wird grundsätzlich auf die Vielfalt der kolonialen Situation verwiesen, die nur durch eine verstärkte Erforschung der Lebenswelt der Kolonisierten wahrgenommen werden könne.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Dioxin2023 Plenary: Exploring Millions of PFAS with FAIR and Open Science
Creators: name: Schymanski, Emma
name: Aurich, Dagny
name: Chirsir, Parviel
name: Kondic, Todor
name: Palm, Emma
name: Helmus, Rick
name: Neumann, Steffen
name: Thiessen, Paul
name: Zhang, Jian
name: Bolton, Evan
name: Perera, Jamie
Publisher: name: Zenodo
Year: 2023

description: Plenary presentation for Dioxin 2023 in Maastricht - Tuesday 12 September Exploring Millions of PFAS with FAIR and Open Science This presentation features a sound track created by Jamie Perera (slide 27) on "Our Chemical Past, Present and Future", which can be downloaded on Vimeo (video) or Soundcloud (sound only). Please leave feedback there if you enjoy it!
Remote Sensing of Coronal Forces During a Solar Prominence Eruption
Creators: name: Uritsky, V. M.
name: Thompson, B. J.
name: DeVore, C. R.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: We present a new methodology -- the Keplerian Optical Dynamics Analysis (KODA) -- for analyzing the dynamics of dense, cool material in the solar corona. The technique involves adaptive spatiotemporal tracking of propagating intensity gradients and their characterization in terms of time-evolving Keplerian areas swept out by the position vectors of moving plasma blobs. Whereas gravity induces purely ballistic motions consistent with Kepler's second law, non-central forces such as the Lorentz force introduce non-zero torques resulting in more complex motions. KODA algorithms enable direct evaluation of the line-of-sight component of the net torque density from the image-plane projection of the areal acceleration. The method is applied to the prominence eruption of 2011 June 7, observed by the Solar Dynamics Observatory's Atmospheric Imaging Assembly. Results obtained include quantitative estimates of the magnetic forces, field intensities, and blob masses and energies across a vast region impacted by the post-reconnection redistribution of the prominence material. The magnetic pressure and energy are strongly dominant during the early, rising phase of the eruption, while the dynamic pressure and kinetic energy become significant contributors during the subsequent falling phases. Measured intensive properties of the prominence blobs are consistent with those of typical active-region prominences; measured extensive properties are compared with those of the whole pre-eruption prominence and the post-eruption coronal mass ejection of 2011 June 7, all derived by other investigators and techniques. We argue that KODA provides valuable information on characteristics of erupting prominences that are not readily available via alternative means, thereby shedding new light on their environment and evolution.
description: 22 pages, 12 figures, 3 tables
Resisting Modernisation?
Creators: name: Tischler, Julia
Publisher: name: Leipziger Universitätsverlag
Year: 2011

description: Der Kariba-Staudamm an der Grenze zwischen dem heutigen Sambia und Simbabwe war ein Beispiel spätkolonialer Modernisierungspolitik und zugleich Symbol eines vielbeachteten Staatsbildungsexperiments: Die 1953 ins Leben gerufene Zentralafrikanische Föderation wurde von ihren politischen Vätern als „dritter Weg“ zwischen weißen und schwarzen Unabhängigkeitsbewegungen deklariert. Aus heutiger Sicht versinnbildlicht das Mammutprojekt sowohl das Scheitern der hochumstrittenen Föderation als auch die Verfehlungen großer Entwicklungsvorhaben insgesamt: Kariba nutzte der „weißen“ Industrie, brachte der verarmten indigenen Landbevölkerung jedoch Schaden. Lokale Akteure versuchten, diese Ungleichheiten zu korrigieren, wie der vorliegende Aufsatz anhand von Hezekiah Habanyama, einem Mitglied der lokalen afrikanischen Verwaltungselite, und Harry Nkumbula, dem Präsidenten des nordrhodesischen African National Congress aufzeigt. Die Positionen, die der „loyale Verwaltungsbeamte“ einerseits und der „Widerstandskämpfer“ andererseits einnahmen, entziehen sich allerdings einer einfachen Zuordnung in Für- oder Gegenstimmen, Opposition oder Kollaboration. Ihre vielfach verflochtenen Strategien und Ideen im Hinblick auf „Entwicklung“ verdeutlichen vielmehr die grundsätzliche Ambivalenz des spätkolonialen Doppelprojekts von Staatsbildung und Modernisierung.
description: Comparativ, Vol 21 No 1 (2011): Entangled Histories: Reflecting on Concepts of Coloniality and Postcoloniality
Dependence of Vortex States in Superconductors on a Chiral Helimagnet and an Applied Magnetic Field
Creators: name: Fukui, Saoto
name: Kato, Masaru
name: Togawa, Yoshihiko
Publisher: name: arXiv
Year: 2016
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We study effects of a chiral helimagnet (CHM) on vortex states in a superconductor, solving the Ginzburg-Landau equations in a chiral helimagnet/superconductor bilayer system. We found that vortices form a periodically modulated triangular lattice, because the magnetic field from the chiral helimagnet $H_{CHM}$ oscillates spatially. An increase of a critical current is expected, because vortices are pinned by the $H_{CHM}$.
description: 5 pages, 7 figures, ISS2015, submitted to Physica C
Artificial Intelligence for Real Sustainability? -- What is Artificial Intelligence and Can it Help with the Sustainability Transformation?
Creators: name: Rehak, Rainer
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computers and Society (cs.CY)
subject: Networking and Internet Architecture (cs.NI)
subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences
subject: K.4.0; K.4.1; K.4.2; I.2.0; I.2.1; K.4.3

description: The discussion about the disruptive possibilities of a technology called artificial intelligence (AI) is on everyone's lips. Companies and countries alike are running multi-billion-dollar research programmes to ensure they do not miss out on the global innovation hunt. Among many other applications, AI is also supposed to aid the large-scale changes needed to achieve sustainable societies. To assess those claims and possibilities, this article briefly explains, classifies, and theorises AI technology and then politically contextualises that analysis in light of the sustainability discourse. Based on those insights it finally argues, that AI can play a small role in moving towards sustainable societies, however the fixation on technological innovation, especially AI, obscures and depoliticises the necessary societal decisions regarding sustainability goals and means as mere technicalities and therefore rather obstructs real and effective societal transformation efforts.
description: 5 pages, DOI of the containing journal is https://doi.org/10.14279/depositonce-17526
Remarks on the inhomogeneous fractional nonlinear Schrodinger equation
Creators: name: Saanouni, T.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Using a sharp Gagliardo-Nirenberg type inequality, well-posedness issues of the initial value problem for a fractional inhomogeneous Schrodinger equation are investigated.
D7.2 Datasets Management and Benchmarking
Creators: name: López Bernal, Sergio
name: Gil Pérez, Manuel
name: Martínez Pérez, Gregorio
name: López Bernal, Eduardo
name: Martínez López, Juan Antonio
name: Beltrán López, Pedro
Publisher: name: Zenodo
Year: 2023
Subjects: Datasets
Digitalization

description: Deliverable D7.2 – Datasets Management and Benchmarking begins by addressing the fundamentals of datasets, including data cleansing and transformation, and considering the challenges presented by unbalanced data. At the same time, it highlights the importance of data visualization as an essential tool in any data analysis, facilitating both the understanding and effective communication of results. After that, the document presents a study of the state of the art of datasets related to emergency situations, allowing to know and study the existing datasets in the literature in order to create our specific one for the VAKYRIES project.
 Next, the report presents the dataset created for the VALKYRIES project, where an in-depth analysis is made indicating the data that integrate the dataset and the steps taken to improve the data quality. Moreover, models with better results allow the generation of quality models that give more optimal results, leading to more accurate predictions. Finally, the deliverable addresses tailored ethical and regulatory issues of managing and disclosing sensitive data. Privacy and data security are paramount, especially when dealing with sensitive data related to emergency response operations.