cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
From Rényi Entropy Power to Information Scan of Quantum States
Creators: name: Jizba, Petr
name: Dunningham, Jacob
name: Prokš, Martin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In the estimation theory context, we generalize the notion of Shannon's entropy power to the Rényi-entropy setting. This not only allows to find new estimation inequalities, such as the Rényi-entropy based De Bruijn identity, isoperimetric inequality or Stam inequality, but it also provides a convenient technical framework for the derivation of a one-parameter family of Rényi-entropy-power-based quantum-mechanical uncertainty relations. To put more flesh on the bones, we use the Rényi entropy power obtained to show how the information probability distribution associated with a quantum state can be reconstructed in a process that is akin to quantum-state tomography. We illustrate the inner workings of this with the so-called "cat states", which are of fundamental interest and practical use in schemes such as quantum metrology. Salient issues, including the extension of the notion of entropy power to Tsallis entropy and ensuing implications in estimation theory are also briefly discussed.
description: 28 pages, 2 figures
Magneto-structural coupling in ilmenite-type NiTiO$_3$: a combined diffraction and dilatometry study
Creators: name: Dey, Kaustav
name: Sauerland, Sven
name: Ouladdiaf, Bashir
name: Beauvois, Ketty
name: Wadepohl, Hubert
name: Klingeler, Rüdiger
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report the ground state magnetic structure and in-field magnetostrictive effects of NiTiO$_3$ studied by means of zero field and in-field single-crystal neutron diffraction, magnetization, and high-resolution dilatometry experiments. Zero-field neutron diffraction on NiTiO$_3$ single crystals reveals an easy-plane antiferromagnet with a multidomain ground state. Upon application of external magnetic fields, neutron diffraction shows the evolution of domains with spins perpendicular to the applied field. The rotation of spins in the multidomain state exhibits pronounced lattice changes in the magnetostriction measurements. We see magnetization and magnetostriction measurements sale with each other in the multidomain state revealing the strong coupling of spins to the lattice.
Baryonic mass formula in large $N_c$ QCD versus quark model
Creators: name: Semay, C.
name: Buisseret, F.
name: Matagne, N.
name: Stancu, Fl.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We establish a connection between the quark model results and the $1/N_c$ expansion mass formula used in the description of baryon resonances. We show that a remarkable compatibility exists between the two methods.
description: Minor changes, to be published in Phys. Rev. D
Many-body interaction in semiconductors probed with 2D Fourier spectroscopy
Creators: name: Erementchouk, Mikhail
name: Leuenberger, Michael N.
name: Sham, L. J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A particular difficulty in studying many-body interactions in a solid is the absence of an experimental technique that can directly probe their key characteristics. We show that 2D Fourier spectroscopy provides an efficient tool for the measurement of critical parameters describing the effect of many-body interactions on the optical response of semiconductors. We develop the basic microscopic theory of 2D Fourier spectroscopy of semiconductors in the framework of the three-band model (heavy holes, light holes, and electrons). The theory includes many-body correlations nonperturbatively and can be generalized straightforwardly in order to describe 2D Fourier spectra obtained in atomic physics. We establish a relation between the 2D Fourier spectrum and the many-body correlations. It is shown, in particular, that 2D Fourier spectroscopy provides a principal possibility to establish experimentally the origin of the fast decay of the memory term describing the Coulomb interaction between heavy- and light-hole excitons. The theory is applied to an analysis of the available experimental data. Experiments providing more detailed information are suggested.
description: 5 pages, 1 figure
The Delta-resonance in a finite volume
Creators: name: Bernard, Véronique
name: Meißner, Ulf-G.
name: Rusetsky, Akaki
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the extraction of Delta-resonance parameters from lattice data for small quark masses, corresponding to the case of an unstable Delta. To this end, we calculate the spectrum of the correlator of two Delta-fields in a finite Euclidian box up-to-and-including O(epsilon^3) in the small scale expansion using infrared regularization. On the basis of our numerical study, we argue that the extraction of the parameters of the Delta-resonance (in particular, of the mass and the pion-nucleon-delta coupling constant) from the measured volume dependence of the lowest energy levels should be feasible.
description: 20 pages, 8 postscript figures
Οι πειρασμοί κατά τη Χριστιανική Ηθική
Creators: name: Λυμπεροπούλου, Ουρανία Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Ηθική
Πειρασμός
Χριστιανική Ηθική
Ethic
Temptation
Christian Ethic

description: Η παρούσα μεταπτυχιακή διπλωματική εργασία με τίτλο « Οι πειρασμοί κατά τη Χριστιανική Ηθική» πραγματεύεται το ζήτημα των πειρασμών στον ανθρώπινο χριστιανικό βίο. Συγκεκριμένα, στο πρώτο κεφάλαιο αναλύονται οι όροι πειρασμός και δοκιμασία. Έπειτα, γίνεται μία λεπτομερής ανάλυση σχετικά με τον φορέα του κακού, με αυτόν ,δηλαδή, που δίδει τους πειρασμούς στον άνθρωπο. Στη συνέχεια γίνεται λόγος για τον πρώτο πειρασμό του ανθρώπου, αυτόν του Αδάμ και της Εύας. Η αποδοχή των πρωτοπλάστων στον πειρασμό σήμαινε την πτώση τους, καθώς επίσης και των καταστρεπτικών συνεπειών που υφίσταται μέχρι σήμερα το ανθρώπινο είδος. Βέβαια, στην αποδοχή αυτή των πρωτοπλάστων σημαντικό ρόλο έπαιξε το αυτεξούσιο του ανθρώπου. Στο επόμενο κεφάλαιο γίνεται λόγος για τους πειρασμούς σύμφωνα με την πατερική παράδοση. Γίνεται μία σαφής διάκριση των πειρασμών, καθώς επίσης και του σκοπού που αυτοί έχουν. Τέλος, γίνονται αναφορές σε παραδείγματα πειρασμών από τη βιβλική παράδοση και την πατερική γραμματεία. Σε όλους αυτούς τους πειρασμούς δεν λείπει η άγρυπνη θεία πρόνοια. Στο τρίτο και τελευταίο κεφάλαιο γίνεται λόγος για την ανθρώπινη προσπάθεια κατά των πειρασμών. Συγκεκριμένα: αρχικά αναφέρεται η θεία ενανθρώπηση και η τριπλή πράξη του Κυρίου ως πηγή αποδέσμευσης από τα δεσμά του κακού. Έπειτα, δίνονται αναλυτικά και με σαφήνεια οι τρόποι αντιμετώπισης των πειρασμών που προτείνει η Ιερά Εκκλησιαστική Παράδοση. Στο τελευταίο κομμάτι της παρούσας εργασίας γίνεται μια σύνοψη των κεφαλαίων, καθώς αναφέρονται και τα βασικά συμπεράσματα σχετικά με τους πειρασμούς μέσα στο χριστιανικό βίο.
description: This MSc thesis titled "Temptations in Christian Ethics" addresses the issue of the human temptations in Christian life. Specifically, in the first chapter analyzed the terms of temptation and of test. Then it made a thorough analysis of the evil, who gives the temptations to man. Then, there is a reference to the first temptation of man, that of Adam and Eve. The acceptance of Adam and Eve tempted mean their fall, and the devastating consequences that exists until today to the mankind. Of course, the acceptance of Adam and Eve played an important role in human free will. The next chapter talks about temptations according to patristic tradition. It is a clear distinction of temptations, and the purpose they have. Finally, there are references to examples of temptations from the biblical tradition and patristic literature. In all these temptations the vigilant divine providence not missing. In the third and final chapter refers to human effort against temptations. Specifically: originally referred to the divine Incarnation and the triple act of the Lord as source release from the bondage of evil. Finally, given a detailed and clear workarounds temptations proposed by the Holy Church Tradition. In the conclusion of thesis is a summary of the funds, as reported and some basic conclusions about the temptations in the Christian life.
Dimensional reduction in cohomological Donaldson-Thomas theory
Creators: name: Kinjo, Tasuki
Publisher: name: arXiv
Year: 2021
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: For oriented $-1$-shifted symplectic derived Artin stacks, Ben-Bassat-Brav-Bussi-Joyce introduced certain perverse sheaves on them which can be regarded as sheaf theoretic categorifications of the Donaldson-Thomas invariants. In this paper, we prove that the hypercohomology of the above perverse sheaf on the $-1$-shifted cotangent stack over a quasi-smooth derived Artin stack is isomorphic to the Borel-Moore homology of the base stack up to a certain shift of degree. This is a global version of the dimensional reduction theorem due to Davison. We give two applications of our main theorem. Firstly, we apply it to the study of the cohomological Donaldson-Thomas invariants for local surfaces. Secondly, regarding our main theorem as a version of Thom isomorphism theorem for dual obstruction cones, we propose a sheaf theoretic construction of the virtual fundamental classes for quasi-smooth derived Artin stacks.
description: 46 pages. v2:Minor revisions, added some references
AC/DC characterization of a Ti/Au TES with Au/Bi absorber for X-ray detection
Creators: name: Taralli, E.
name: Pobes, C.
name: Khosropanah, P.
name: Fabrega, L.
name: Camon, A.
name: Gottardi, L.
name: Nagayoshi, K.
name: Ridder, M.
name: Bruijn, M.
name: Gao, J. R.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Transition-edge sensors (TESs) are used as very sensitive thermometers in microcalorimeters aimed at detection of different wavelengths. In particular, for soft X-ray astrophysics, science goals require very high resolution microcalorimeters which can be achieved with TESs coupled to suitable absorbers. For many applications there is also need for a high number of pixels which typically requires multiplexing in the readout stage. Frequency Domain Multiplexing (FDM) is a common scheme and is the baseline proposed for the ATHENA mission. FDM requires biasing the TES in AC at MHz frequencies. Recently there has been reported degradation in performances under AC with respect to DC bias. In order to assess the performances of TESs to be used with FDM, it is thus of great interest to compare the performances of the same device both under AC and DC bias. This requires two different measurement setups with different processes for making the characterization. We report in this work the preliminary results of a single pixel characterization performed on a TiAu TES under AC and afterwards under DC bias in different facilities. Extraction of dynamical parameters and noise performances are compared in both cases as a first stage for further AC/DC comparison of these devices.
Modelling daily returns of New York Stock Exchange by time series with noises having stable distributions
Creators: name: Wang, Xiaohua
Publisher: name: University of British Columbia
Year: 2008

description: This thesis provides some modelling procedures for the New York Stock Exchange (NYSE) daily data, using stable distributions. The use of stable distributions was motivated by the fact that traditional normality assumptions are not appropriate for the daily stock returns. Four selected series, two stock indices and two individual industrial returns, were examined. Estimates for the characteristic exponent parameter α were obtained. Following the estimation of the exponent parameter α, serial-dependence was studied by fitting autoregressive models, using two different minimization criteria. The final conclusions are the following. The four daily stock returns were stably distributed with characteristic exponent α less than two. The time series behavior of these data was suitably described by autoregressive models.
Ο ρόλος της πληροφορίας και των συναισθημάτων στην αποτελεσματικότητα των αναρτήσεων στις επίσημες εταιρικές σελίδες στο Facebook: μια διαπολιτισμική μελέτη στην Ελλάδα και το Ηνωμένο Βασίλειο
Creators: name: Ρίσκος, Κυριάκος Ανδρέα
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Καταναλωτική Δέσμευση
Κοινωνικά Δίκτυα
Διαφήμιση
Customer Engagement
Facebook
Advertising

description: Σκοπός της παρούσας διπλωματικής εργασίας είναι η ανάλυση, εξέταση και σύγκριση του περιεχομένου των δημοσιεύσεων που προέρχονται από επίσημες εταιρικές σελίδες του Facebook στην Ελλάδα και το Ηνωμένο Βασίλειο. Ειδικότερα γίνεται ανάλυση και σύγκριση των δημοσιεύσεων που συλλέχθηκαν από επώνυμα προϊόντα ως προς το πληροφοριακό ή συναισθηματικό τους περιεχόμενο για την Ελλάδα και το Ηνωμένο Βασίλειο. Επίσης αναλύεται και συγκρίνεται ο βαθμός της καταναλωτικής δέσμευσης στο Facebook για τους χρήστες-καταναλωτές της κάθε χώρας.
description: The aim of the present thesis was the analysis, examination and comparison of the content of posts that collected from the official corporate Facebook pages from branded products in Greece and the United Kingdom. In particular, the content of the posts is analyzed and compared regarding the informational or emotional content. Also, it is analyzed and compared the level of customer engagement on the official corporate Facebook pages for each country.
Η Δέσμευση Τρίτων από την Συμφωνία Διαιτησίας
Creators: name: Βαρβαρούση, Ελένη Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Διαιτησία
Υποκειμενικά όρια
Τρίτα Πρόσωπα
Arbitration
Subjective Limits
Third Parties

description: Η παρούσα μεταπτυχιακή εργασία ασχολείται με το μείζον ζήτημα της διαιτητικής ρήτρας, ήτοι της απόφασης των συμβαλλομένων μερών να επιλύσουν ορισμένη ιδιωτική διαφορά χωρίς την προσφυγή στα δικαστήρια. Ιδιαίτερη σημασία εμφανίζει στο πλαίσιο αυτό η έκταση της δεσμευτικότητας ορισμένης διαιτητικής απόφασης, όχι για τα ίδια τα μέρη που είναι σαφές ότι υπόκεινται πλήρως και εκουσίως στην ισχύ της αλλά των τρίτων, μη συμβαλλομένων. Η εργασία αυτή καταστρώνεται σε δύο κύρια κεφάλαια: σε ένα πρώτο μέρος παρουσιάζεται το νομικό καθεστώς της διαιτησίας, η έννοια και οι διακρίσεις της, τα αντικειμενικά και υποκειμενικά όριά της, σε ένα δεύτερο μέρος εξαντλείται η διεύρυνση των υποκειμενικών ορίων της και οι τρόποι με τους οποίους αυτή πραγματοποιείται.
description: This post-graduate work is dealing with the major issue of the arbitration clause, namely the decision of the contracting parties to resolve certain private difference without recourse to the courts. Particular importance displays in this context the extent of judges certain arbitration decision, not for the same parties that are clearly the subject fully and voluntarily in force but the third, non-contracting. This operation is framed in two main chapters: in a first part shows the legal status of the arbitration panel, the meaning and the discrimination of the objectively and subjectively limits, in a second part exhaustion of the enlargement of the subjective limits and the ways in which it is carried out.
Two scenarios for superconductivity in CeRh$_2$As$_2$
Creators: name: Möckli, David
name: Ramires, Aline
Publisher: name: arXiv
Year: 2021
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: CeRh$_2$As$_2$, a non-symmorphic heavy fermion material, was recently reported to host a remarkable phase diagram with two superconducting phases. In this material, the two inequivalent Ce sites per unit cell, related by inversion symmetry, introduce a sublattice structure corresponding to an extra internal degree of freedom. Here we propose a classification of the possible superconducting states in CeRh$_2$As$_2$ from the two Ce-sites perspective. Based on the superconducting fitness analysis and the quasiclassical Eilenberger equations, we discuss two limits: Rashba spin-orbit coupling and inter-layer hopping dominated normal state. In both limits, we are able find two scenarios that generate phase diagrams in qualitative agreement with experiments: i) intra-sublattice pairing with an even-odd transition under magnetic field, and ii) inter-sublattice pairing with an odd-odd transition under magnetic field.
description: 5 pages, 2 figures, 4 tables
Investigating the Physical Origin of Unconventional Low-Energy Excitations and Pseudogap Phenomena in Cuprate Superconductors
Creators: name: Yeh, N. -C.
name: Chen, C. -T.
name: Beyer, A. D.
name: Lee, S. -I.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigate the physical origin of unconventional low-energy excitations in cuprate superconductors by considering the effect of coexisting competing orders (CO) and superconductivity (SC) and of quantum fluctuations and other bosonic modes on the low-energy charge excitation spectra. By incorporating both SC and CO in the bare Green's function and quantum phase fluctuations in the self-energy, we can consistently account for various empirical findings in both the hole- and electron-type cuprates, including the excess subgap quasiparticle density of states, ``dichotomy'' in the fluctuation-renormalized quasiparticle spectral density in momentum space, and the occurrence and magnitude of a low-energy pseudogap being dependent on the relative gap strength of CO and SC. Comparing these calculated results with experiments of ours and others, we suggest that there are two energy scales associated with the pseudogap phenomena, with the high-energy pseudogap probably of magnetic origin and the low-energy pseudogap associated with competing orders.
description: 10 pages, 5 figures. Invited paper for the 2006 Taiwan International Conference on Superconductivity. Correspondence author: Nai-Chang Yeh (e-mail: ncyeh@caltech.edu)
Dynamic VNF Placement, Resource Allocation and Traffic Routing in 5G
Creators: name: Golkarifard, Morteza
name: Chiasserini, Carla Fabiana
name: Malandrino, Francesco
name: Movaghar, Ali
Publisher: name: arXiv
Year: 2021
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: 5G networks are going to support a variety of vertical services, with a diverse set of key performance indicators (KPIs), by using enabling technologies such as software-defined networking and network function virtualization. It is the responsibility of the network operator to efficiently allocate the available resources to the service requests in such a way to honor KPI requirements, while accounting for the limited quantity of available resources and their cost. A critical challenge is that requests may be highly varying over time, requiring a solution that accounts for their dynamic generation and termination. With this motivation, we seek to make joint decisions for request admission, resource activation, VNF placement, resource allocation, and traffic routing. We do so by considering real-world aspects such as the setup times of virtual machines, with the goal of maximizing the mobile network operator profit. To this end, first, we formulate a one-shot optimization problem which can attain the optimum solution for small size problems given the complete knowledge of arrival and departure times of requests over the entire system lifespan. We then propose an efficient and practical heuristic solution that only requires this knowledge for the next time period and works for realistically-sized scenarios. Finally, we evaluate the performance of these solutions using real-world services and large-scale network topologies. {Results demonstrate that our heuristic solution performs better than a state-of-the-art online approach and close to the optimum.
Ελαττωματικές αποφάσεις Διοικητικού Συμβουλίου Ανώνυμης Εταιρίας
Creators: name: Μόσχου, Αρετή – Μαρία Νικολάου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Διοικητικό Συμβούλιο
Ελαττωματική απόφαση
Ανώνυμη Εταιρία
Board of Directors
Faulty resolution
Limited Company

description: Σκοπός της παρούσας μελέτης είναι η ανάδειξη των κύριων παραμέτρων που διέπουν την προβληματική των ελαττωματικών αποφάσεων του Διοικητικού Συμβουλίου της Ανώνυμης Εταιρίας. Η απουσία ειδικής νομοθετικής ρύθμισης ως προς το συγκεκριμένο ζήτημα -εν αντιθέσει με τις αποφάσεις της Γενικής Συνέλευσης της Ανώνυμης Εταιρίας, για τις οποίες ο ΚΝ 2190/1920 προβλέπει συγκεκριμένο πλαίσιο μεταχείρισης της ελαττωματικότητάς τους (άρθρ.35α-35γ)- εγείρει, ευλόγως, τον προβληματισμό περί του ποιες διατάξεις θα κληθούν σε εφαρμογή σε περίπτωση λήψης ελαττωματικής απόφασης εκ μέρους του διαχειριστικού οργάνου. Προς τον σκοπό διερεύνησης του εν λόγω ζητήματος εξετάζονται, εν πρώτοις, οι επιμέρους προϋποθέσεις στοιχειοθέτησης ελαττωματικής απόφασης ΔΣ, ώστε να καταστεί, εν συνεχεία, δυνατή η ομαλή μετάβαση στο κρίσιμο ζήτημα της νομικής της μεταχείρισης. Καταβάλλεται, ειδικότερα, προσπάθεια συστηματοποίησης των υποστηριζόμενων επί του ζητήματος θέσεων και παράλληλης καταγραφής των πρακτικών συνεπειών που συνεπάγεται η υιοθέτησή τους. Η μελέτη εξελικτικά επικεντρώνεται στην ανάδειξη της δικαιοπολιτικά καταλληλότερης λύσης ως προς το ζήτημα της νομικής μεταχείρισης των ελαττωματικών αποφάσεων του ΔΣ, προσανατολισμένης, κυρίως, στην ανάγκη διασφάλισης της απρόσκοπτης λειτουργίας του διαχειριστικού οργάνου και την αποφυγή μετέωρων καταστάσεων, με παράλληλη, ωστόσο, προστασία των προσώπων που ενδεχομένως θίγονται από την δράση του.
description: The aim of the present thesis is to highlight the main parameters which govern the issue of faulty resolutions of the Board of Directors (B.o.D) in a Limited Company. The absence of specific regulation in this particular issue -contrary to the resolutions of the General Meeting of Shareholders in a Limited Company, which are regulated for their defectiveness by the Law 2190/1920 (art.35a-35c)- raises skepticism concerning the provisions which will have to be applied in case of faulty decision-making by the administrative organ. To this effect, the thesis first examines the individual conditions which set a faulty B.o.D.’s decision, so that a comprehensive transition to the critical issue of its legal treatment could be achieved. More specifically, an effort is made concerning the systematimatization of the supported legal aspects on the above-mentioned issue and the registration of the practical consequences associated with their adoption. The study progressively focuses on finding the most appropriate solution to the issue of the faulty B.o.D’s resolutions’ legal treatment, mainly oriented to the reassurance that B.o.D’s function will continue unhindered while avoiding obscure statements, with parallel protection of those who could be affected by its action.
Giant Magnons
Creators: name: Hofman, Diego M.
name: Maldacena, Juan
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Studies of ${\cal N}=4$ super Yang Mills operators with large R-charge have shown that, in the planar limit, the problem of computing their dimensions can be viewed as a certain spin chain. These spin chains have fundamental ``magnon'' excitations which obey a dispersion relation that is periodic in the momentum of the magnons. This result for the dispersion relation was also shown to hold at arbitrary 't Hooft coupling. Here we identify these magnons on the string theory side and we show how to reconcile a periodic dispersion relation with the continuum worldsheet description. The crucial idea is that the momentum is interpreted in the string theory side as a certain geometrical angle. We use these results to compute the energy of a spinning string. We also show that the symmetries that determine the dispersion relation and that constrain the S-matrix are the same in the gauge theory and the string theory. We compute the overall S-matrix at large 't Hooft coupling using the string description and we find that it agrees with an earlier conjecture. We also find an infinite number of two magnon bound states at strong coupling, while at weak coupling this number is finite.
description: 34 pages, 9 figures, latex v2: references added
The electric dipole moment in the B ³Π₀₊ state of molecular iodine monochloride
Creators: name: Wang, Shixin
Publisher: name: University of British Columbia
Year: 2008

description: The laser-induced fluorescence spectrum in ICl of the electronic system B ³Π₀₊ ← X ¹Σ₀₊ for the (2-0) vibrational band has been measured as a function of the electric field strength up to 32.5 kV/cm. From the Stark shift measurements, the dipole moment in vibrational level v' = 2 of the B ³Π₀₊ state, not previously measured experimentally, has been found to equal 1.122(25) D for I³⁵Cl and 1.116(35) D for I³⁷Cl . Intensity measurements of the (2-0) Q(0) and Q(1) of I³⁵Cl have shown that these normally forbidden lines become allowed through the mixing of rotational levels generated by the interaction of the dipole moment with the externally applied electric field. The Stark shift measurement of the magnitude of the dipole moment was confirmed and the sign of the dipole moment was shown to be the same as that in the ground X ¹Σ₀₊ state.
The hard X-ray spectral evolution in X-ray binaries and its application to constrain the black hole mass of ultraluminous X-ray sources
Creators: name: Wu, Qingwen
name: Gu, Minfeng
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the relationship between the hard X-ray photon index $Γ$ and the Eddington ratio ($ξ=L_{X}(0.5-25 \rm keV)/L_{Edd}$) in six X-ray binaries (XRBs) with well constrained black hole masses and distances. We find that different XRBs follow different anti-correlations between $Γ$ and $ξ$ when $ξ$ is less than a critical value, while $Γ$ and $ξ$ generally follow the same positive correlation when $ξ$ is larger than the critical value. The anti-correlation and the positive correlation may suggest that they are in different accretion modes (e.g., radiatively inefficient accretion flow (RIAF) and standard disk). We fit both correlations with the linear least-square method for individual sources, from which the crosspoint of two fitted lines is obtained. Although the anti-correlation varies from source to source, the crosspoints of all sources roughly converge to the same point with small scatter($\log ξ=-2.1\pm0.2, Γ=1.5\pm 0.1$), which may correspond to the transition point between RIAF and standard accretion disk. Motivated by the observational evidence for the similarity of the X-ray spectral evolution of ultraluminous X-ray sources (ULXs) to that of XRBs, we then constrain the black hole masses for seven ULXs assuming that their X-ray spectral evolution is similar to that of XRBs. We find that the BH masses of these seven luminous ULXs are around $10^{4}\msun$, which are typical intermediate-mass BHs (IMBHs). Our results are generally consistent with the BH masses constrained from the timing properties (e.g., break frequency) or the model fitting with a multi-color disk.
description: accepted for publication in ApJ, 18 pages, 2 figures, Comments is welcomed!
Direct in-situ temperature measurement for lamp-based heating device
Creators: name: Sumita, Takehiro
name: Sudo, Ayako
name: Takano, Masahide
name: Ikeda-Ohno, Atsushi
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 20199 Astronomical and Space Sciences not elsewhere classified
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Plant Biology

description: Despite a wide variety of its practical applications, handiness, and cost-effectiveness, the advance of lamp-based heating device is obstructed by one technical difficulty in measuring the temperature on a heated material. This difficulty originates in the combination of polychromatic light source and a radiation thermometer that determines temperature from radiation (i.e. light). A new system developed in this study overcomes this intrinsic difficulty by measuring exclusively the radiation from the heated material, allowing us to perform the direct and in-situ measurement of temperature in a light-based heating device (an arc image furnace). Test measurements demonstrated the reliability of temperature measurement using the developed system as well as its promising potential for the determination of emissivity at high temperature particularly in the infrared region.
Ο ηθικός προβληματισμός σε θέματα διαφυλικών σχέσεων στη Δευτεροβάθμια Εκπαίδευση
Creators: name: Βίλδου, Αικατερίνη Παναγιώτη
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Διαφυλικές σχέσεις
Δευτεροβάθμια Εκπαίδευση
Ηθική
Gender relations
Secondary Education
Ethics

description: Σκοπός της εργασίας ήταν η μελέτη της ερωτικής συμπεριφοράς των εφήβων, η προβολή του ρόλου της εκπαίδευσης σε συγκεκριμένες διαστάσεις των διαφυλικών σχέσεων, ο ηθικός προβληματισμός των ζητημάτων που ανακύπτουν με σκοπό την προσέγγισή τους ή και επίλυσή τους με έναν πιο πνευματικό τρόπο και η παρουσίαση του ζητήματος και της προβληματικής του σχετικά με την εισαγωγή ενός μαθήματος σεξουαλικής αγωγής στην εκπαιδευτική διαδικασία. Προσεγγίστηκαν οι διαφυλικές σχέσεις υπό το πρίσμα της νομικής, κοινωνιολογικής, ψυχολογικής και θεολογικής επιστήμης όσον αφορά στην ορολογία και στο περιεχόμενο. Στη συνέχεια εξετάστηκαν επιμέρους θέματα όπως τα Σεξουαλικώς Μεταδιδόμενα Νοσήματα, η αντισύλληψη, η έκτρωση και η σεξουαλική βία, όχι μόνο ως προς την ερμηνευτική τους, ή όπως αυτά εμφανίζονται στα διδακτικά βιβλία της Δευτεροβάθμιας Εκπαίδευσης, αλλά στην πραγμάτευση των θεμάτων αυτών κατεβλήθη και η προσπάθεια να εξεταστεί παράλληλα και η χριστιανική ηθική. Τέλος παρουσιάστηκε η θέση της σεξουαλικής διαπαιδαγώγησης στο εκπαιδευτικό σύστημα είτε ως ξεχωριστό μάθημα, είτε ενσωματωμένο σε άλλα μαθήματα, όπως και των ζητημάτων που προκύπτουν, καθώς η Πολιτεία δείχνει απροετοίμαστη.
description: The purpose of the dissertation was the study of teenagers’ sexual behavior, the promotion of the role of education in the context of certain dimensions regarding gender relations, the ethical concern of the issues that arise aiming to their approach or their resolution through a more spiritual way and the presentation of the issue and its concerns as regards the introduction of a sex education subject into the educational process. Gender relations were approached in terms of the legal, sociological, psychological and theological sciences regarding terminology and content. Furthermore, specific issues were examined, such as sexually transmitted diseases, contraception, abortion and sexual violence, not only regarding their interpretation or their presentation in the books of the secondary education but also regarding the aspect of the Christian ethics towards these issues. Finally, the position of sex education in the educational system was presented, either as a discrete or a cross-curricular subject, as well as the questions that arise since the state seems to be unprepared for such an innovation.
Enumerative geometry of Calabi-Yau 4-folds
Creators: name: Klemm, A.
name: Pandharipande, R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Geometry (math.AG)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Gromov-Witten theory is used to define an enumerative geometry of curves in Calabi-Yau 4-folds. The main technique is to find exact solutions to moving multiple cover integrals. The resulting invariants are analogous to the BPS counts of Gopakumar and Vafa for Calabi-Yau 3-folds. We conjecture the 4-fold invariants to be integers and expect a sheaf theoretic explanation. Several local Calabi-Yau 4-folds are solved exactly. Compact cases, including the sextic Calabi-Yau in CP5, are also studied. A complete solution of the Gromov-Witten theory of the sextic is conjecturally obtained by the holomorphic anomaly equation.
description: 44 pages
Quantum Deconstruction of 5D SQCD
Creators: name: Di Napoli, Edoardo
name: Kaplunovsky, Vadim S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We deconstruct the fifth dimension of 5D SCQD with general numbers of colors and flavors and general 5D Chern-Simons level; the latter is adjusted by adding extra quarks to the 4D quiver. We use deconstruction as a non-stringy UV completion of the quantum 5D theory; to prove its usefulness, we compute quantum corrections to the SQCD_5 prepotential. We also explore the moduli/parameter space of the deconstructed SQCD_5 and show that for |K_CS| < N_F/2 it continues to negative values of 1/(g_5)^2. In many cases there are flop transitions connecting SQCD_5 to exotic 5D theories such as E0, and we present several examples of such transitions. We compare deconstruction to brane-web engineering of the same SQCD_5 and show that the phase diagram is the same in both cases; indeed, the two UV completions are in the same universality class, although they are not dual to each other. Hence, the phase structure of an SQCD_5 (and presumably any other 5D gauge theory) is inherently five-dimensional and does not depends on a UV completion.
description: LaTeX+PStricks, 108 pages, 41 colored figures. Please print in color
Hough2Map -- Iterative Event-based Hough Transform for High-Speed Railway Mapping
Creators: name: Tschopp, Florian
name: von Einem, Cornelius
name: Cramariuc, Andrei
name: Hug, David
name: Palmer, Andrew William
name: Siegwart, Roland
name: Chli, Margarita
name: Nieto, Juan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: To cope with the growing demand for transportation on the railway system, accurate, robust, and high-frequency positioning is required to enable a safe and efficient utilization of the existing railway infrastructure. As a basis for a localization system we propose a complete on-board mapping pipeline able to map robust meaningful landmarks, such as poles from power lines, in the vicinity of the vehicle. Such poles are good candidates for reliable and long term landmarks even through difficult weather conditions or seasonal changes. To address the challenges of motion blur and illumination changes in railway scenarios we employ a Dynamic Vision Sensor, a novel event-based camera. Using a sideways oriented on-board camera, poles appear as vertical lines. To map such lines in a real-time event stream, we introduce Hough2Map, a novel consecutive iterative event-based Hough transform framework capable of detecting, tracking, and triangulating close-by structures. We demonstrate the mapping reliability and accuracy of Hough2Map on real-world data in typical usage scenarios and evaluate using surveyed infrastructure ground truth maps. Hough2Map achieves a detection reliability of up to 92% and a mapping root mean square error accuracy of 1.1518m.
description: Florian Tschopp, Cornelius von Einem, and Andrei Cramariuc contributed equally to this work
Το Εκκλησιαστικό Μουσείο του Χαλεπίου. Αισθητική προσέγγιση και η ποιμαντική προσφορά του.
Creators: name: Murjana, Mari Rouz Essam (Μορτζάνα, Μαρί Ροζ)
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Εκκλησιαστικό μουσείο
Η Ελληνορθόδοξη Μητρόπολη Χαλεπίου
Ποιμαντική και Λειτουργική τέχνη
Ecclesiastical Museum
The Greek Orthodox Metropolis of Aleppo
Pastoral Care and liturgical art

description: Στην παρούσα μελέτη καταβάλλεται προσπάθεια να τεκμηριωθεί ένα τμήμα από την καλλιτεχνική εκκλησιαστική κληρονομιά της πόλεως του Χαλεπίου της Συρίας. Ερμηνεύεται η καλλιτεχνική κληρονομιά που εκφράζεται με την εντυπωσιακή αρχιτεκτονική του παλαιού μητροπολιτικού ναού της πόλεως από τον 19ο αιώνα. Επίσης η κληρονομιά αυτή εκφράζεται με τις ωραιότατες εικόνες του Χαλεπίου, οι οποίες αποτελούν μία ξεχωριστή Σχολή αγιογραφίας, με έργα που εκτείνονται από τον 17ο μέχρι τον 19ο αιώνα. Επίσης η μελέτη δεν περιορίζεται στους περασμένους αιώνες, στους οποίους ανήκει αυτή η κληρονομιά, αλλά εκτείνεται και στην σημερινή εποχή, αναδεικνύοντας την προσπάθεια που έκανε η Μητρόπολη με την οργάνωση του Εκκλησιαστικού Μουσείου εντός του ιερού ναού, μετατρέποντάς τον σε ένα ζωντανό μουσείο. Οι μελλοντικές προοπτικές που εξυπηρετεί είναι η ποιμαντική διακονία του λαού, η μετάδοση της πίστεως και η ενίσχυση της Ορθόδοξης συνείδησης, οι οποίες επιτυγχάνονται με την χριστιανική και λειτουργική αγωγή περί ουσίας και συμβόλων της λειτουργικής τέχνης, την οποία μπορεί το μουσείο να προσφέρει με ποικίλους τρόπους και με τον τρόπο αυτόν να οδηγήσει στην σωστή βίωση της Λατρείας.
description: This study is an attempt to document a part of the ecclesiastical artistic heritage of the city of Aleppo in Syria and to interpret this artistic heritage which is expressed in the impressing architecture of the old cathedral of the city from the 19th century. Also, this heritage is expressed with the beautiful icons of Aleppo that belong to the unique school of iconography of Aleppo with works ranging from the 17th to the 19th century. In addition, the study is not limited to the past centuries, to which belongs this heritage, but also extends to the present times, highlighting the effort that was made by the metropolis for the organization of the Ecclesiastical Museum in the holy temple and for turning it into a living museum. Future prospects for the museum are the pastoral ministry of the people, the transmission of the faith and the strengthening of the Orthodox conscience, which are achieved by the Christian and liturgical education about the essence and the symbols of the liturgical art that the museum can offer through a variety of ways and thus leads to the correct experiencing of worship.
Long-range memory elementary 1D cellular automata: Dynamics and nonextensivity
Creators: name: Rohlf, Thimo
name: Tsallis, Constantino
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Dynamical Systems (math.DS)
subject: Cellular Automata and Lattice Gases (nlin.CG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We numerically study the dynamics of elementary 1D cellular automata (CA), where the binary state $σ_i(t) \in \{0,1\}$ of a cell $i$ does not only depend on the states in its local neighborhood at time $t-1$, but also on the memory of its own past states $σ_i(t-2), σ_i(t-3),...,σ_i(t-τ),...$. We assume that the weight of this memory decays proportionally to $τ^{-α}$, with $α\ge 0$ (the limit $α\to \infty$ corresponds to the usual CA). Since the memory function is summable for $α>1$ and nonsummable for $0\le α\le 1$, we expect pronounced %qualitative and quantitative changes of the dynamical behavior near $α=1$. This is precisely what our simulations exhibit, particularly for the time evolution of the Hamming distance $H$ of initially close trajectories. We typically expect the asymptotic behavior $H(t) \propto t^{1/(1-q)}$, where $q$ is the entropic index associated with nonextensive statistical mechanics. In all cases, the function $q(α)$ exhibits a sensible change at $α\simeq 1$. We focus on the class II rules 61, 99 and 111. For rule 61, $q = 0$ for $0 \le α\le α_c \simeq 1.3$, and $q<0$ for $α> α_c$, whereas the opposite behavior is found for rule 111. For rule 99, the effect of the long-range memory on the spread of damage is quite dramatic. These facts point at a rich dynamics intimately linked to the interplay of local lookup rules and the range of the memory. Finite size scaling studies varying system size $N$ indicate that the range of the power-law regime for $H(t)$ typically diverges $\propto N^z$ with $0 \le z \le 1$. Similar studies have been carried out for other rules, e.g., the famous "universal computer" rule 110.
description: 4 pages revtex, 6 .eps figures
Κατηγοριοποίηση Ιατρικών Εικόνων
Creators: name: Αγαθαγγέλου, Σοφία Αναστασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2016
Subjects: Εντοπισμός σύνθετων εικόνων
Ταξινόμηση δεδομένων πολλαπλών ετικετών
Ταξινόμηση υπο-εικόνων
Compound figure detection
Multi-label classification
Subfigure classification

description: Στο πλαίσιο αυτής της Μεταπτυχιακής εργασίας, ασχολούμαστε με την σημασιολογική κατηγοριοποίηση εικόνων από βιοϊατρικές δημoσιεύσεις της βιβλιοθήκης PubMed. Οι εικόνες στη βιβλιογραφία σε μεγάλο μέρος τους είναι σύνθετες. Έτσι, διεξάγονται πειράματα με σκοπό τον εντοπισμό σύνθετων εικόνων, την ταξινόμηση υπο-εικόνων σε μία ετικέτα αλλά και την ταξινόμηση σύνθετων εικόνων σε πολλαπλές ετικέτες. Ένας επιπλέον στόχος της πειραματικής μελέτης είναι η συμμετοχή στο διαγωνισμό κατηγοριοποίησης ιατρικών εικόνων ImageCLEF2016. Αρχικά, μελετήθηκαν ταξινομητές αλλά και τεχνικές εξαγωγής χαρακτηριστικών τόσο από τις εικόνες αυτές καθαυτές όσο και από τα κείμενα τα οποία τις συνόδευαν από συμμετέχοντες προηγούμενων ετών του ίδιου διαγωνισμού. Η παρούσα πειραματική μελέτη επικεντρώνεται σε κατηγοριοποίηση των εικόνων αξιοποιώντας αποκλειστικά χαρακτηριστικά κειμένου, όπως η λεζάντα της κάθε εικόνας αλλά και το κείμενο το οποίο αναφέρεται στην εικόνα μέσα στην βιοϊατρική δημοσίευση. Εξετάστηκαν ποιες παράμετροι της προ-επεξεργασίας συμβάλλουν στην βελτίωση των προβλέψεων. Επιπλέον, δοκιμάστηκαν ταξινομητές από διαφορετικές ομάδες (μέθοδοι Bayes, μηχανές διανυσμάτων υποστήριξης, κανόνες, δέντρα) ώστε να διαπιστωθεί η συνεισφορά του καθενός στην επίλυση κάθε ζητήματος. Τέλος, προτείνεται για μελλοντική έρευνα ένα μοντέλο που συνδυάζει οπτικά χαρακτηριστικά και χαρακτηριστικά κείμενου.
description: This dissertation aims at semantic classification of biomedical images contained in articles extracted from the PubMed Central. Several figures found in biomedical literature are compound. Thus, the research is motivated by three tasks : compound image detection, subfigure classification and multilabel classification. Findings will be used to participate in ImageCLEFmed: The Medical Task 2016. Initially, was introduced other participants' techniques based on visual or textual features. Our classification models focused on textual features such as caption and text which refers image in article. This study examines which parameters of preprocessing achieve better results. Furthermore, classifiers from Bayes, SVMs, rules and trees are tested to illuminate their contribution in each subtask. For future research, we present a fusion model that combines visual and textual features.
Probing black hole microstructure with the kinetic turnover of phase transition
Creators: name: Li, Ran
name: Zhang, Kun
name: Wang, Jin
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: By treating black hole as the macroscopic stable state on the free energy landscape, we propose that the stochastic dynamics of the black hole phase transition can be effectively described by the Langevin equation or equivalently by the Fokker-Planck equation in phase space. We demonstrate the turnover of the kinetics for the charged anti-de Sitter black hole phase transition, which shows that the mean first passage time is linear with the friction in the high damping regime and inversely proportional to the friction in the low damping regime. The fluctuations in the kinetics are shown to be large/small in the high/low damping regime and the switching behavior from the small fluctuations to the large fluctuations takes place at the kinetic turnover point. Because the friction is a reflection of the microscopic degrees of freedom acting on the order parameter of the black hole, the turnover and the corresponding fluctuations of the phase transition kinetics can be used to probe the black hole microstructure.
Studies on the metabolism of polyhydroxyalkanoic acid and phosphate in the biological excess phosphate removal process
Creators: name: Wu, Manhong
Publisher: name: University of British Columbia
Year: 2008

description: The basic objectives of my thesis were to examine the role of PHA in phosphate sequestering sludge metabolism and to test the effect of nutrient combinations on the intracellular level of PHA. The role of PHA in the process was studied by measuring levels of PHA in both functional and non-functional sewage treatment plant conditions. The role of nutrients was studied by testing the effects on PHA of nutrient combinations which would be expected to affect the level of NADH. Despite previous correlation between PHA storage and phosphate sequestering, it was found that even with good PHA storage in the anaerobic condition some sludges showed poor phosphate uptake in the corresponding aerobic condition. PHA accumulation requires NADH and is dependent on a proper NADH and NAD balance in the cells. However, most biochemical studies have been limited to pure components such as acetate which have limited capacity to generate NADH under anaerobic conditions. Thus this study focused on nutrient combinations which would provide a suitable carbon source as well as proper reducing equivalent balance. Several nutrient combinations were tested including the fermentation products pyruvate, butyrate and ethanol. Fluoroacetate was used as an inhibitor of the glyoxylate cycle. It seemed that the glyoxylate cycle was not the only source of NADH for PHA synthesis.
Metric-affine gravity effects on terrestrial (exo-)planets profiles
Creators: name: Kozak, Aleksander
name: Wojnar, Aneta
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Mass-radius relations of homogeneous cold spheres are obtained for six solid materials commonly found in terrestrial planets. An additional degeneracy in the (exo-)planets' profiles is discussed together with their properties concluded from our findings in the framework of Palatini $f(\mathcal R)$ gravity. Moreover, a new test of gravity has been proposed: The results presented here will allow to test and to constrain models of gravity by the use of seismic data acquired from earthquakes and marsquakes.
description: 14 pages, 16 figures