cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Ποιμαντικές προοπτικές στά κείμενα καί τήν ζωή του Τρίκκης καί Σταγών Διονυσίου.:
Creators: name: Vikhrova, Aksana (Βιχρόβα Οξάνα Μιχαήλ)
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Ποιμαντικές προοπτικές
Διονύσιος Τρίκκης
Pastoral perspective
Dionysios of Trikki

description: Ο Τρίκκης και Σταγών Διονύσιος (κατά κόσμο Κωνσταντίνος Χαραλάμπους) γεννήθηκε στην Μικρά Ασία το 1907. Μόνασε στην Ι. Μ. Μεγίστης Λαύρας του Αγίου Όρους. Σπούδασε στη Θεολογική Σχολή Χάλκης. Το 1942 τον συλλαμβάνουν οι Γερμανοί – τότε Ιεροκήρυκα και Ηγούμενο Ι.Μ. Αγ. Ιγνατίου στη Μυτιλήνη – για την συμμετοχή στη απελευθερωτική κίνηση. Βίωσε τρία μαρτυρικά χρόνια στα στρατόπεδα Γερμανίας. Επέζησε, επέστρεψε στην Πατρίδα, όπου σύντομα χειροτονείται Επίσκοπος Τρίκκης και Σταγών. Τελεύτησε εν Κυρίω τό 1970. Η ανάπτυξη του θέματος ποιμαντικών προοπτικών γίνεται βάσει της ανάλυσης της μεθοδολογίας του Μητροπολίτου Διονυσίου, ως απάντηση στό ερώτημα του πώς νά καθοδηγήσει ο Ποιμένας τό ποίμνιό του στήν προοπτική του, πού είναι η Βασιλεία των Ουρανών. Τα επτά κεφάλαια της εργασίας αντιστοιχούν σε επτά μεθόδους: 1. Μέθοδος θεωρητική, 2. Πνευματική, 3. Διοικητική, 4. Μέθοδος της διαμαρτυρίας, 5. Μέθοδος ομολογίας της πίστεως, 6. Διδακτικές μέθοδοι πρός ιερείς, 7. διδακτικές μέθοδοι πρός τόν λαό.
description: Dionysios (Constantine Charalambous according to the world), Metropolitan of Trikke and Stagai, was born in Asia Minor in 1907. He became a monk at the Sacred Monastery of the Great Lavra of the Holy Mountain. He studied at the Theological School of Chalke. In 1942 the Germans arrest him – then Sacred Preacher and Abbot of the Sacred Monastery of Saint Ignatius in Mytilene – because of his involvement in the liberation movement. He lived three years of martyrdom at the concentration camps of Germany. He survived, returned to his homeland, where he soon was ordained Bishop of Trikke and Stagai. He fell asleep in the Lord in 1970. The development of the theme of pastoral perspectives becomes the basis for analyzing the methodology of Metropolitan Dionysios as an answer to the question, “How does a shepherd guide his flock to its potential, which is the Kingdom of the Heavens?” The seven chapters of the dissertation correspond to seven methods: 1). theoretical method, 2). spiritual, 3). administrative, 4). method of protest, 5). method of confession of faith, 6). teaching methods as priests, 7). teaching methods toward the people.
Spin Gap in Optimally-doped YBCO
Creators: name: Reznik, D.
name: Pintschovius, L.
name: Endoh, Y.
name: Bourges, P.
name: Sidis, Y.
name: Masui, T.
name: Tajima, S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Spin gap in optimally-doped YBCO was investigated by inelastic neutron scattering. We found that q-integrated spectral weight in the vicinity of the spin gap has a shape of a step function at 10K with sharp resolution-limited onset at 33 meV, i.e. there is no observable spectral weight at 31 meV but full spectral weight at 35 meV. The spin gap does not soften or "fill in" as the temperature is increased to Tc. Above Tc we find no evidence for q-dependent magnetic signal at 35 meV.
A Pilot Randomized Controlled Trial of a Brief Conflict Reappraisal Intervention for Community Couples with Young Children
Creators: name: Wade, Mark
name: Koven, Maya
name: Jambon, Marc
name: Muise, Amy
name: De Luca, Paul
name: Markwell, Alexandra
name: Prime, Heather
Publisher: name: OSF Registries
Year: 2024

description: Accepted Paper (March 28, 2024): Cognitive Therapy and Research (Springer Journal)
Remarks on Hawking radiation as tunneling from the BTZ black holes
Creators: name: Wu, Shuang-Qing
name: Jiang, Qing-Quan
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Hawking radiation viewed as a semiclassical tunneling process from the event horizon of the (2 + 1)-dimensional rotating BTZ black hole is carefully reexamined by taking into account not only the energy conservation but also the conservation of angular momentum when the effect of the emitted particle's self-gravitation is incorporated. In contrast to previous analysis of this issue in the literature, our result obtained here fits well to the Kraus-Parikh-Wilczek's universal conclusion without any modification to the Bekenstein-Hawking area-entropy formulae of the BTZ black hole.
description: 12pages, no figure, use JHEP3.cls. Version better than published one in JHEP
A Practical Proposal for State Estimation at Balanced, Radial Distribution Systems
Creators: name: Moutis, Panayiotis
name: Alizadeh-Mousavi, Omid
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The ever-increasing deployment of distributed resources and the opportunities offered to loads for more active roles has changed the previously unidirectional and relatively straight-forward operating profile of distribution systems (DS). DS will be required to be monitored closely for robustness and sufficient power quality. State estimation of transmission systems has consistently served as a monitoring tool, which drives system-wide control actions and, thus, ensures the operational integrity of the electric grid. An update to the classic state estimation for the case of DS is offered in this work, based on a power flow formulation for radial networks that does not require measurements or estimate of the voltage angles.
Η τηλεόραση και η διαμόρφωση της κοινής γνώμης:
Creators: name: Υφαντίδου, Αλεξάνδρα Θεοφύλακτου
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Τηλεόραση
Κοινή γνώμη
Διαμόρφωση κοινής γνώμης
Television
Public opinion
Formation of public opinion

description: Η εργασία αυτή πραγματεύεται τη σχέση της τηλεόρασης και της διαμόρφωσης της κοινής γνώμης. Αφού αναλύει διεξοδικά τα βασικότερα χαρακτηριστικά γνωρίσματα του σύγχρονου τηλεοπτικού τοπίου εμβαθύνει στην επιρροή του μέσου αυτού μαζικής επικοινωνίας στο τηλεοπτικό κοινό. Οι επιδράσεις που περιγράφονται αφορούν διάφορους τομείς της κοινωνικής μας ζωής, από την πολιτική μας συνείδηση έως και τον τρόπο ψυχαγωγίας μας. Στο τέλος παρατίθενται κάποια γενικά συμπεράσματα αλλά και προβληματισμοί που ταλανίζουν μέχρι και σήμερα τους θεωρητικούς της μαζικής επικοινωνίας και της πολιτικής επιστήμης.
description: This assignment deals with the relationship between television and the formation of public opinion. After it analyses the basic characteristics of the modern tv, it reads into the influence of this mass media in tv viewers. The mentioned affects pervade several aspects of our social life, from our political consciousness till our entertainment and amusement. At the end, this assignment makes reference to basic conclusions and engrossments which occupy the mind of mass media and political scientists till now.
Accelerating Large Kernel Convolutions with Nested Winograd Transformation.pdf
Creators: name: Jiang, Jingbo
name: Chen, Xizi
name: Tsui, Chi-Ying
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences
subject: 68T01, 68W35, 94C30

description: Recent literature has shown that convolutional neural networks (CNNs) with large kernels outperform vision transformers (ViTs) and CNNs with stacked small kernels in many computer vision tasks, such as object detection and image restoration. The Winograd transformation helps reduce the number of repetitive multiplications in convolution and is widely supported by many commercial AI processors. Researchers have proposed accelerating large kernel convolutions by linearly decomposing them into many small kernel convolutions and then sequentially accelerating each small kernel convolution with the Winograd algorithm. This work proposes a nested Winograd algorithm that iteratively decomposes a large kernel convolution into small kernel convolutions and proves it to be more effective than the linear decomposition Winograd transformation algorithm. Experiments show that compared to the linear decomposition Winograd algorithm, the proposed algorithm reduces the total number of multiplications by 1.4 to 10.5 times for computing 4x4 to 31x31 convolutions.
description: published ref to https://ieeexplore.ieee.org/document/10321932
Metastable Quivers in String Compactifications
Creators: name: Diaconescu, Duiliu-Emanuel
name: Donagi, Ron
name: Florea, Bogdan
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose a scenario for dynamical supersymmetry breaking in string compactifications based on geometric engineering of quiver gauge theories. In particular we show that the runaway behavior of fractional branes at del Pezzo singularities can be stabilized by a flux superpotential in compact models. Our construction relies on homological mirror symmetry for orientifolds.
description: 22 pages, 1 figure; v2: references added
Η διαφορετικότητα και οι απεικονίσεις της στην παιδικη λογοτεχνία:
Creators: name: Τοπούζα, Πηνελόπη Ιωάννη
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Διαφορετικότητα
Παιδική λογοτεχνία
Στερεότυπο
Πολυπολιτισμική λογοτεχνία
Ιδεολογία
Παραμύθι
Stories for kids
Childrens literature
Stereotype
Multicultural literature
Ideology
Fairy tale

description: Στην παρούσα εργασία πραγματοποιείται μια απόπειρα διερεύνησης της ιδεολογίας της γλώσσας, των στερεοτύπων, των προκαταλήψεων, καθώς και του κινήματος της πολιτικής ορθότητας στα πλαίσια της λογοτεχνίας. Ο στόχος που θέσαμε για την εργασία μας ήταν να αναζητηθούν οι ποικίλες ταυτότητες που υπάρχουν στην παιδική λογοτεχνία και η διαφορετικότητα, που ανακλάται στην κοινωνία, την παιδαγωγική αλλά και στους πολιτισμούς και του πώς αυτή αποτυπώνεται στα πλαίσια της πολυπολιτισμικής λογοτεχνίας.
description: In this current research it is aimed to analyze the ideology in language, stereotypes, prejudices and also the political correctness movement in children’s literature. The research aim is to find various identities which exist in children’s literature and the difference reflected in society, in pedagogical science but also in different civilizations and how it is referred to sides of multicultural literature.
Η διδασκαλία της ορθογραφίας στις τρεις πρώτες τάξεις του Δημοτικού Σχολείου. Μια συγκριτική μελέτη από το 1982 μέχρι σήμερα:
Creators: name: Μπαϊτάση, Πελαγία Αναστασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Διδασκαλία της ορθογραφίας
Γραμματισμός
Εκπαιδευτική μεταρρύθμιση
Teaching of orthography
Literacy
Educational reform

description: Το ενδιαφέρον μας σ’ αυτή την έρευνα επικεντρώνεται στη διδασκαλία της ορθογραφίας, και ειδικότερα, στη διδασκαλία της ορθογραφίας στις τρεις πρώτες τάξεις του δημοτικού σχολείου. Αρχικά, ερευνούμε τις θεωρητικές προϋποθέσεις της διδασκαλίας της ελληνικής γλώσσας, της ορθογραφίας, της γραμματικής και του γραμματισμού. Στη συνέχεια αναλύουμε τα Αναλυτικά Προγράμματα Σπουδών, τα βιβλία διδασκαλίας της ελληνικής γλώσσας, τα βιβλία δασκάλου και του μαθητή από το 1982 έως 2006. Ακολούθως, προχωρούμε σε μια σύγκριση των δύο περιόδων των μεταρρυθμίσεων των ελληνικών κυβερνήσεων σε σχέση με τη διδασκαλία της ορθογραφίας και συνακόλουθα της γραμματικής. Καταγράφουμε τις αντιδράσεις της εκπαιδευτικής κοινότητας και των ειδικών, σε όλο το ενδιάμεσο διάστημα των δύο τελευταίων μεταρρυθμίσεων, από το 1982 έως και το 2008. Τέλος, από τη μελέτη και τη σύγκριση όλων αυτών των στοιχείων μεταξύ τους καταλήγουμε στο συμπέρασμα ότι οι ‘περιπέτειες’ της διδασκαλίας της γλώσσας και ειδικότερα της ορθογραφίας και συνακόλουθα της γραμματικής στο ελληνικό εκπαιδευτικό σύστημα, παρά την προοδευτική μεταρρύθμιση του 1982, συνεχίζονται, και ίσως συνεχιστούν για πολύ καιρό ακόμη, ενόσω δεν υπάρχει ενιαία προοδευτική πολιτική για την εκπαίδευση, και οι φωνές των ειδικών και των εκπαιδευτικών δεν λαμβάνονται υπόψη, και ενόσω ειδικά για τη διδασκαλία της ορθογραφίας δεν υπάρχουν ακόμη εκτεταμένες επιστημονικές έρευνες.
description: Our interest in this research focuses in the teaching of orthography, specifically in the teaching of orthography to the first three classes of elementary school. To start with, we research the theoretical presuppositions of teaching Greek language, orthography, grammar and literacy. After that we analyze the Analytic Program Studies, the teaching books of Greek language and the books of the teacher and student from time period 1982 to 2006. Following we go on to a comparison between the two periods of reformation by the Greek government about the teaching of orthography and grammar. We record the reactions between the teaching community and the experts in the period between the reformation of 1982 and 2008. Finally from the research and the comparison of all these facts, we come to the conclusion that the changes in the teaching of Greek language and specifically of orthography and grammar in the Greek educational system, in spite of the progressional reform of 1982, continue and they might continue for a long time, meanwhile there is not a uniformly progressional policy for education, and the voices of the experts and the educators are not taken for serious, even though, especially for the teaching of orthography there isn't any extended scientific research yet.
Le projet Wikipédia à l'Université de Guyane
Creators: name: Latour Marie
Publisher: name: Zenodo
Year: 2023
Subjects: bibliothèque
Wikipédia
formation
library

description: Ce poster présenté à l'édition 2023 des Journées nationales du Formateur (JNF) organisées à Marseille par l'Association des directeurs des bibliothèques universitaires (ADBU) expose les principaux tenants du "Projet Wikipédia" mené au Service commun de la documentation (SCD) de l'Université de Guyane (UG) avec le soutien de Wikimédia France depuis 2019. Sa présentation fera suite à un atelier conduit à ce même congrès.

Contact : marie.latour@unc.nc
Exploration of electronic quadrupole states in atomic clusters by two-photon processes
Creators: name: Nesterenko, V. O.
name: Reinhard, P. -G.
name: Halfmann, Th.
name: Suraud, E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We analyze particular two-photon processes as possible means to explore electronic quadrupole states in free small deformed atomic clusters. The analysis is done in the time-dependent local density approximation (TDLDA). It is shown that the direct two-photon population (DTP) and off-resonant stimulated Raman (ORSR) scattering can be effectively used for excitation of the quadrupole states in high-frequency (quadrupole plasmon) and low-frequency (infrared) regions, respectively. In ORSR, isolated dipole particle-hole states as well as the tail of the dipole plasmon can serve as an intermediate state. A simultaneous study of low- and high-frequency quadrupoles, combining DTP and ORSR, is most effective. Femtosecond pulses with intensities $I = 2\cdot 10^{10} - 2\cdot 10^{11} W/cm^2$ and pulse durations $T = 200 - 500$ fs are found to be optimal. Since the low-lying quadrupole states are dominated by one single electron-hole pair, their energies, being combined with the photoelectron data for hole states, allow to get the electron spectrum above the Fermi level and thus greatly extend our knowledge on the single particle spectra of clusters. Besides, the developed schemes allow to estimate the lifetime of the quadrupole states.
description: 18 pages, 7 figures
UV habitable zones around M stars
Creators: name: Buccino, Andrea P.
name: Lemarchand, Guillermo A.
name: Mauas, Pablo J. D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: During the last decade, there was a paradigm-shift in order to consider terrestrial planets within liquid-water habitable zones (LW-HZ) around M stars, as suitable places for the emergence and evolution of life. Here we analyze the influence of UV boundary conditions to three planetary systems around dM (HIP 74995, HIP 109388 and HIP 113020). We apply our model of UV habitable zone (UV-HZ) (Buccino et al. 2006) to these cases and show that during the quiescent UV output there would not be enough UV radiation within the LW-HZ in order to trigger biogenic processes. We also analyze the cases of two other M flare stars and show that the flares of moderate intensity could provide the necessary energy to trigger those biogenic processes, while the strong flares not necessary rule-out the possibility of life-bearing planets.
description: 17 pages, 3 figures, accepted for publication in Icarus
Neutron Spectroscopy for Pulsed Beams with Frame Overlap using a Double Time-of-Flight Technique
Creators: name: Harrig, K. P.
name: Goldblum, B. L.
name: Brown, J. A.
name: Bleuel, D. L.
name: Bernstein, L. A.
name: Bevins, J.
name: Harasty, M.
name: Laplace, T. A.
name: Matthews, E. F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: A new double time-of-flight (dTOF) neutron spectroscopy technique has been developed for pulsed broad spectrum sources with a duty cycle that results in frame overlap, where fast neutrons from a given pulse overtake slower neutrons from previous pulses. Using a tunable beam at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory, neutrons were produced via thick-target breakup of 16 MeV deuterons on a beryllium target in the cyclotron vault. The breakup spectral shape was deduced from a dTOF measurement using an array of EJ-309 organic liquid scintillators. Simulation of the neutron detection efficiency of the scintillator array was performed using both GEANT4 and MCNP6. The efficiency-corrected spectral shape was normalized using a foil activation technique to obtain the energy-dependent flux of the neutron beam at zero degrees with respect to the incoming deuteron beam. The dTOF neutron spectrum was compared to spectra obtained using HEPROW and GRAVEL pulse height spectrum unfolding techniques. While the unfolding and dTOF results exhibit some discrepancies in shape, the integrated flux values agree within two standard deviations. This method obviates neutron time-of-flight spectroscopy challenges posed by pulsed beams with frame overlap and opens new opportunities for pulsed white neutron source facilities.
description: 21 pages, 12 figures
Exploring the charged Higgs bosons in the lef-right symmetric model
Creators: name: Jung, Dong-Won
name: Lee, Kang Young
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We explore constraints on the charged Higgs sector in the left-right (LR) model from the present experimental data. Due to the different Yukawa structure, the allowed parameter space of the charged Higgs boson in the LR model is different from that in the two Higgs doublet model. We find that the constraint from $t \to b H^\pm$ decay at Tevatron is most significant, while $B \to τν$ decay could provide no constraint on the LR model. Bounds from $e^- e^+ \to H^- H^+$ process at LEP are similar to that in the two Higgs doublet model.
An Empirical Approach to the Bond Additivity Model in Quantitative Interpretation of Sum Frequency Generation Vibrational Spectra
Creators: name: Wu, Hui
name: Zhang, Wen-kai
name: Gan, Wei
name: Cui, Zhi-feng
name: Wang, Hong-fei
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: A complete empirical approach from known Raman and IR spectra is used to make corrections to the bond additivity model for quantitative interpretation of Sum Frequency generation Vibrational Spectra (SFG-VS) from molecular interfaces. This empirical correction successfully addresses the failures of the simple bond additivity model. This empirical approach not only provides new understandings of the effectiveness and limitations of the bond additivity model, but also provides a practical roadmap for its application in SFG-VS studies of molecular interfaces.
Συμβολή στη χωρική οργάνωση και ανάπτυξη του Νομού και της Περιφέρειας Δυτικής Μακεδονίας:
Creators: name: Καρνάρης, Ιωάννης Γεωργίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Ζώνη ενεργού πολεοδομίας
Κοζάνη
Δυτική Μακεδονία
Zone for active city planning
Western Macedonia

description: Η Μεταπτυχιακή Διατριβή εκπονήθηκε το πανεπιστημιακό έτος 2008-2009, στο τμήμα Αγρονόμων Τοπογράφων Μηχανικών, στα πλαίσια του Μεταπτυχιακού Προγράμματος Σπουδών της Πολυτεχνικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης με ειδίκευση στις Τεχνικές και Μεθόδους στην Ανάλυση, Σχεδίαση και Διαχείριση του Χώρου και κατεύθυνση που αφορά τη Χαρτογραφική Παραγωγή και Γεωγραφική Ανάλυση.Στόχος της Μεταπτυχιακής Διατριβής είναι η μελέτη του Πολεοδομικού Πλαισίου Αστικής Οργάνωσης και Ανάπτυξης του Νομού Κοζάνης μέσω της Ζώνης Ενεργού Πολεοδομίας, που εδράζεται σε απόσταση 5km. Ερευνάται ως Πολιτική γης για την ανάπτυξη του Νομού και συνεπαγόμενα της Περιφέρειας Δυτικής Μακεδονίας και η ανάλυση του στρατηγικού ρόλου που καλείται να διαδραματίσει στη μετά-ΔΕΗ εποχή. Παράλληλα, επιχειρήθηκε εμβάθυνση στα ποιοτικά εκείνα χαρακτηριστικά που θα αποτελέσουν πόλο έλξης για τους νέους ελεύθερους επαγγελματίες.Για το λόγο αυτό πραγματοποιήθηκε έρευνα με χρήση ερωτηματολογίων ώστε να καταγραφούν οι απόψεις των φοιτητών των τμημάτων των Ανώτατων Ιδρυμάτων της ΔΜ - που σχετίζονται άμεσα ή έμμεσα με την Πληροφορική, την καινοτομία και τις Νέες Τεχνολογίες - ως προς τις υποδομές και τα χαρακτηριστικά της ΖΕΠ. Η γνώμη τους αποτελεί κρίσιμο κριτήριο επιτυχίας του όλου αυτού εγχειρήματος καθώς αποτελούν τον αυριανό Επιστήμονα που αναζητά η ΖΕΠ και η ΔΜ για να αναπνεύσει καθώς τα κοιτάσματα λιγνίτη στερεύουν.
description: This Diploma Thesis was carried out during the academic year 2008-2009, in collaboration with the Faculty of Rural and Surveying Engineering, at the School of Technology, at the Aristotle University of Thessaloniki, Greece.Main goal of this Diploma Thesis is the study of the geopolitical significance of the Zone for Active City Planning (ZEP) of the Prefecture of Kozani for the evolvement of Kozani and as implied for the Circumference of Western Macedonia, Greece. An analysis is being featured of the strategic role that the Zone for Active City Planning must play now that the lignite, used in the PPC Power Plants, is running out. Also, a deepening was attempted at the qualitative characteristics of ZEP which aim to attract new freelancing professional – scientists as well as investors.A research for the aforementioned characteristics of ZEP was conducted (with the use of questionnaires) as to measure the opinions of students of the Faculties of the University and the Technological Educational Institution of Western Macedonia, which had immediate relation with Informatics, Innovation and New Technologies. The students’ thoughts and views are the main ingredient of the success of ZEP because they constitute the tomorrow’s scientist that ZEP looks for.
General Classes of Impossible Operations through the Existence of Incomparable States
Creators: name: Chattopadhyay, Indrani
name: Sarkar, Debasis
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this work we show that the most general class of anti-unitary operators are nonphysical in nature through the existence of incomparable pure bipartite entangled states. It is also shown that a large class of inner-product-preserving operations defined only on the three qubits having spin-directions along x, y and z are impossible. If we perform such an operation locally on a particular pure bipartite state then it will exactly transform to another pure bipartite state that is incomparable with the original one. As subcases of the above results we find the nonphysical nature of universal exact flipping operation and existence of universal Hadamard gate. Beyond the information conservation in terms of entanglement, this work shows how an impossible local operation evolve with the joint system in a nonphysical way.
description: 13 pages, Latex, to appear in Quantum Information and Computation
Η οικονομική δραστηριότητα της αθωνικής μονής Παντοκράτορος:
Creators: name: Παπαζάκας, Αλέξανδρος Σωτηρίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Μονή Παντοκράτορος
Monastery Pantocratoros

description: Στόχος της εργασίας είναι η περιγραφή της οικονομικής δραστηριότητας της αθωνικής μονής Παντοκράτορος κατά την οθωμανική περίοδο (1750-1821). Συγκεκριμένα αναλύονται ορισμένες μόνο όψεις της δραστηριότητας αυτής όπως η φορολογία, ο δανεισμός, η ζητεία και το ‘’ψώμιο‘’. Η ανάλυση βασίζεται κυρίως στα έγγραφα, που προέρχονται από το αρχείο της μονής όπως στον Κώδικά αρ.80 και στον Φάκελο «Χρεωστικά Ομόλογα».
description: Objective of the work is to describe the economic activity of Athos monastery of Pantocrator, during the Ottoman period (1750-1821). It analyzes only some aspects, such as taxation, debt, zitia and psomio. Analysis is mainly based on documents from the archives of the monastery as the Code No 80 and the folder ‘’Debt Bonds‘’.
Eclipsing Binaries in Open Clusters
Creators: name: Southworth, John
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Detached eclipsing binaries are very useful objects for calibrating theoretical stellar models and checking their predictions. Detached eclipsing binaries in open clusters are particularly important because of the additional constraints on their age and chemical composition from their membership of the cluster. I compile a list containing absolute parameters of well-studied eclipsing binaries in open clusters, and present new observational data on the B-type systems V1481 Cyg and V2263 Cyg which are members of the young open cluster NGC 7128.
description: 4 pages, 2 colour figures. Poster presentation for IAUS 240 (Binary Stars as Critical Tools and Tests in Contemporary Astrophysics), Prague, August 2006. The poster itself can be dowloaded in ppt and pdf versions from http://www.astro.keele.ac.uk/~jkt/pubs.html
BioCode: A Data-Driven Procedure to Learn the Growth of Biological Networks
Creators: name: Sefer, Emre
Publisher: name: arXiv
Year: 2021
Subjects: subject: Molecular Networks (q-bio.MN)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Biological sciences

description: Probabilistic biological network growth models have been utilized for many tasks including but not limited to capturing mechanism and dynamics of biological growth activities, null model representation, capturing anomalies, etc. Well-known examples of these probabilistic models are Kronecker model, preferential attachment model, and duplication-based model. However, we should frequently keep developing new models to better fit and explain the observed network features while new networks are being observed. Additionally, it is difficult to develop a growth model each time we study a new network. In this paper, we propose BioCode, a framework to automatically discover novel biological growth models matching user-specified graph attributes in directed and undirected biological graphs. BioCode designs a basic set of instructions which are common enough to model a number of well-known biological graph growth models. We combine such instruction-wise representation with a genetic algorithm based optimization procedure to encode models for various biological networks. We mainly evaluate the performance of BioCode in discovering models for biological collaboration networks, gene regulatory networks, metabolic networks, and protein interaction networks which features such as assortativity, clustering coefficient, degree distribution closely match with the true ones in the corresponding real biological networks. As shown by the tests on the simulated graphs, the variance of the distributions of biological networks generated by BioCode is similar to the known models' variance for these biological network types.
Πληροφοριακά Συστήματα Ανθρωπίνων Πόρων - Τάσεις και Προοπτικές στην Ελλάδα και το Εξωτερικό:
Creators: name: Δρονούδα, Μαρία Παντούση
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Ανθρώπινο κεφάλαιο
Πληροφοριακά συστήματα
Διοίκηση ανθρώπινων πόρων
Human capital
Information systems
Human resources management

description: Η Διοίκηση των Ανθρωπίνων Πόρων (ΔΑΠ), θεωρήθηκε παλιότερα ως μια επιχειρησιακή λειτουργία με κύριο στόχο τη διεκπεραίωση καθημερινών εργασιών ενός οργανισμού. Καθώς όμως οι λειτουργίες της ΔΑΠ άρχισαν να γίνονται πιο περίπλοκες, πολλοί οργανισμοί ξεκίνησαν να διαχωρίζουν τις λειτουργίες αυτές σε τμήματα που εξειδικεύονταν σε συγκεκριμένες ουσιαστικότερες ενέργειες, όπως η στρατολόγηση νέου προσωπικού, οι ανταμοιβές και αποζημιώσεις των εργαζομένων, η εκπαίδευση του προσωπικού και η ανάπτυξη και ο σχεδιασμός της επιχείρησης. Οι εξελίξεις στις τεχνολογίες πληροφορικής επηρέασαν τις παραδοσιακές λειτουργίες της ΔΑΠ και δημιούργησαν προκλήσεις για την υιοθέτηση τεχνολογικών καινοτομιών. Πλέον, η λειτουργία των Ανθρωπίνων Πόρων στηρίζεται ολοένα και περισσότερο στη χρήση των Πληροφοριακών Συστημάτων. Σκοπός της παρούσας εργασίας είναι να αναλυθούν οι λειτουργίες και δυνατότητες των συστημάτων αυτών, μέσω εκτεταμένης ανασκόπησης της ελληνικής και διεθνούς βιβλιογραφίας. Επίσης, παρατίθενται πραγματικές μελέτες περιπτώσεων επιχειρήσεων που χρησιμοποίησαν τέτοια συστήματα, για την καλύτερη κατανόηση των αποτελεσμάτων από τη χρήση τους. Επιπλέον, αναλύονται τα χαρακτηριστικά και οι λειτουργίες δημοφιλών συστημάτων του εμπορίου και αξιολογούνται βάσει επιλεγμένων κριτηρίων. Τέλος, ακολουθεί μία πρόταση για ένα νέο ολοκληρωμένο Πληροφοριακό Σύστημα Ανθρωπίνων Πόρων, η οποία αναπτύχθηκε αποκλειστικά για τους σκοπούς της παρούσας εργασίας.
description: The HR function has often been perceived as a business function without much more purpose than to perform routine administrative tasks. As HR issues became more complex, many organizations began to separate their HR function into departments that could specialize in specific HR activities, more essential than others, as recruiting, payment and compensation, training and organizational development. Developments in the information technology field have affected the traditional HR functions and have created significant challenges for HR professionals in adapting technological innovations. Hence, HR function is increasingly based on the use of Information Systems. The aim of the current master thesis is the analysis of the functions and capabilities of these systems, through the extensive literature review. Furthermore, in order to better understand the benefits of the use of such systems, case studies are quoted. Moreover, the features and functions of the most popular Human Resources Information Systems are examined and then evaluated according to selected criteria. Finally, there is a proposal for a new, fully integrated system that is developed exclusively for the purpose of this master thesis.
Macroscopic limits of chaotic eigenfunctions
Creators: name: Dyatlov, Semyon
Publisher: name: arXiv
Year: 2021
Subjects: subject: Analysis of PDEs (math.AP)
subject: Mathematical Physics (math-ph)
subject: Spectral Theory (math.SP)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We give an overview of the interplay between the behavior of high energy eigenfunctions of the Laplacian on a compact Riemannian manifold and the dynamical properties of the geodesic flow on that manifold. This includes the Quantum Ergodicity theorem, the Quantum Unique Ergodicity conjecture, entropy bounds, and uniform lower bounds on mass of eigenfunctions. The above results belong to the domain of quantum chaos and use microlocal analysis, which is a theory behind the classical/quantum, or particle/wave, correspondence in physics. We also discuss the toy model of quantum cat maps and the challenges it poses for Quantum Unique Ergodicity.
description: 20 pages, 5 figures; small revision near the bottom of page 10. Submitted to proceedings of ICM 2022
The impact of non-target events in synthetic soundscapes for sound event detection
Creators: name: Ronchini, Francesca
name: Serizel, Romain
name: Turpault, Nicolas
name: Cornell, Samuele
Publisher: name: arXiv
Year: 2021
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Machine Learning (cs.LG)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Detection and Classification Acoustic Scene and Events Challenge 2021 Task 4 uses a heterogeneous dataset that includes both recorded and synthetic soundscapes. Until recently only target sound events were considered when synthesizing the soundscapes. However, recorded soundscapes often contain a substantial amount of non-target events that may affect the performance. In this paper, we focus on the impact of these non-target events in the synthetic soundscapes. Firstly, we investigate to what extent using non-target events alternatively during the training or validation phase (or none of them) helps the system to correctly detect target events. Secondly, we analyze to what extend adjusting the signal-to-noise ratio between target and non-target events at training improves the sound event detection performance. The results show that using both target and non-target events for only one of the phases (validation or training) helps the system to properly detect sound events, outperforming the baseline (which uses non-target events in both phases). The paper also reports the results of a preliminary study on evaluating the system on clips that contain only non-target events. This opens questions for future work on non-target subset and acoustic similarity between target and non-target events which might confuse the system.
How sharp are PV measures?
Creators: name: Jencova, A.
name: Pulmannova, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 81P10, 81P15

description: Properties of sharp observables (normalized PV measures) in relation to smearing by a Markov kernel are studied. It is shown that for a sharp observable $P$ defined on a standard Borel space, and an arbitrary observable $M$, the following properties are equivalent: (a) the range of $P$ is contained in the range of $M$; (b) $P$ is a function of $M$; (c) $P$ is a smearing of $M$.
description: 9 pages
Arithmetic Average Density Fusion -- Part I: Some Statistic and Information-theoretic Results
Creators: name: Li, Tiancheng
name: Song, Yan
name: Song, Enbin
name: Fan, Hongqi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistics Theory (math.ST)
subject: Information Theory (cs.IT)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Finite mixture such as the Gaussian mixture is a flexible and powerful probabilistic modeling tool for representing the multimodal distribution widely involved in many estimation and learning problems. The core of it is representing the target distribution by the arithmetic average (AA) of a finite number of sub-distributions which constitute a mixture. While the mixture has been widely used for single sensor filter design, it is only recent that the AA fusion demonstrates compelling performance for multi-sensor filter design. In this paper, some statistic and information-theoretic results are given on the covariance consistency, mean square error, mode-preservation capacity, and the information divergence of the AA fusion approach. In particular, based on the concept of conservative fusion, the relationship of the AA fusion with the existing conservative fusion approaches such as covariance union and covariance intersection is exposed. A suboptimal weighting approach has been proposed, which jointly with the best mixture-fit property of the AA fusion leads to a max-min optimization problem. Linear Gaussian models are considered for algorithm illustration and simulation comparison, resulting in the first-ever AA fusion-based multi-sensor Kalman filter.
description: 30 pages, 14 figures, 3 tables. Information Fusion, 2024
Claustrophobic fear and the magnetic resonance imaging procedure
Creators: name: McIsaac, Heather K.
Publisher: name: University of British Columbia
Year: 2009

description: The study was designed to assess the characteristics of fear induced by the Magnetic Resonance Imaging Procedure (MRI). The responses of two groups are compared: 1) patients who are completely encapsulated within the MRI machine, and 2) patients who are scanned only below the hip and are therefore not enclosed within the MRI machine. Fear is a multifaceted phenomenon composed of three components: 1) cognitive, 2) behavioral, and 3) physiological. Within this study three the components were assessed to provide a more detailed description of MRI-related claustrophobic fear. Knowing the specific factors which influence patient anxiety will help determine future treatment of MRI-related distress. Since many patients endure the scan while experiencing moderate to severe anxiety the extent to which anxiety influences the diagnostic value of the examination (i.e. clarity of scan image) was evaluated. There was a significant correlation between Beck Anxiety Inventory scores, a measure of subjective distress and physiological symptoms accompanying stress, and the level of motion artifact in the scan picture. Thus, anxiety contributes to motion artifact which degrades the MRI scan image. The poorer quality scan may reduce the diagnostic value of the scan making it necessary for several repetitions which increase hospital time, expense, and patient discomfort. Regression analyses were used to assess the contribution of several variables (e.g. anxiety sensitivity, fears of suffocation and restriction, fearful thoughts about the experience) to provide a predictive profile of those patients who may experience the most distress undergoing the procedure. Two variables were predictive of anxiety during the MRI scan - scores on the Claustrophobia Questionnaire and endorsement of fearful thoughts about the procedure. Patients who were more likely to experience distress in the scan scored higher on these measures indicating their primary concerns were about the claustrophobic aspects of MRI situation and the thoughts they have about undergoing the experience. The thoughts most highly correlated were those related to suffocation and restriction. Eleven out of eighty eighty patients experienced a panic attack during the scan, of which three resulted in scan termination. The patients who experienced panic attacks scored on average 30 points higher on the Claustrophobia Questionnaire at pre-scan, thus, this measure has predictive validity as to which patients may experience the most amount of MRI-related fear. There was no difference between the two groups on position of entry into the MRI machine.
Μελέτη των επιπέδων έκφρασης της ΑΚΕ κινάσης σε υγιή και καρκινικά κύτταρα:
Creators: name: Μαρκάκης, Βασίλειος Ελευθερίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2010
Subjects: Εκφραση
ΑΚΕ
PTEN
Expression
AKE

description: Στη παρούσα διπλωματική εργασία μελετάμε τα επίπεδα έκφρασης της πρωτεΐνης Akt σε υγιή και καρκινικά κύτταρα. Η Akt, είναι μια κινάση η οποία αν ενεργοποιηθεί μπορεί να φωσφορυλιώσει δεκάδες υποστρώματα πρωτεϊνών παίζοντας έτσι σημαντικό ρόλο σε λειτουργίες όπως η κυτταρική επιβίωση και ο μεταβολισμός. Για τη μελέτη αυτή απαιτήθηκε κατά τη πειραματική διαδικασία η απομόνωση των πρωτεϊνών από αιματολογικά δείγματα, η ηλεκτροφόρηση και η μεταφορά των ηλεκτρονίων των πρωτεϊνών πάνω σε ειδική μεμβράνη νιτροκυτταρίνης και τέλος η αποτύπωση της ζητούμενης πρωτεΐνης πάνω στη μεμβράνη, με τη βοήθεια ειδικών αντισωμάτων για κάθε ένα από τα γονίδια της πρωτεΐνης που μελετήθηκαν. Δεδομένου ότι η έντονη αποτύπωση της πρωτεΐνης πάνω στη μεμβράνη ταυτίζεται με τα επίπεδα έκφρασης αυτής, καταγράψαμε τα επίπεδα έκφρασης κάθε ισόμορφου της Akt (Akt1, Akt2, Akt3) για κάθε είδος δείγματος. Τα αποτελέσματα παρουσιάστηκαν συγκεντρωτικά με τη χρήση διαγραμμάτων.
description: In this report we study the expression level of Akt protein in healthy and cancer cells. Akt is a kinase that can phosphorylate plenty of protein substrates playing that way, an important role in cell survival and metabolism, among others. The experimental procession included the isolation, electrophoresis, electrotransition and finally the charting of proteins onto a membrane, by using special antibodies for each gene of Akt protein that being studied.Considering that the intense charting of the protein is identified with the expression levels of the protein, we recorded the levels of each isoform of Akt (Akt1, Akt2, Akt3) for each type of specimen. The results are displayed in diagrams.
On the Use of Field RR Lyrae as Galactic Probes. II. A new $Δ$S calibration to estimate their metallicity
Creators: name: Crestani, J.
name: Fabrizio, M.
name: Braga, V. F.
name: Sneden, C.
name: Preston, G. W.
name: Ferraro, I.
name: Iannicola, G.
name: Bono, G.
name: Alves-Brito, A.
name: Nonino, M.
name: D'Orazi, V.
name: Inno, L.
name: Monelli, M.
name: Storm, J.
name: Altavilla, G.
name: Chaboyer, B.
name: Dall'Ora, M.
name: Fiorentino, G.
name: Gilligan, C. K.
name: Grebel, E.
name: Lala, H.
name: Lemasle, B.
name: Marengo, M.
name: Marinoni, S.
name: Marrese, P. M.
name: Martínez-Vázquez, C. E.
name: Matsunaga, N.
name: Mullen, J. P.
name: Neeley, J.
name: Prudil, Z.
name: da Silva, R.
name: Stetson, P. B.
name: Thévenin, F.
name: Valenti, E.
name: Walker, A. R.
name: Zoccali, M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We performed the largest and most homogeneous spectroscopic survey of field RR Lyraes (RRLs). We secured $\approx$6,300 high resolution (HR, R$\sim$35,000) spectra for 143 RRLs (111 fundamental, RRab; 32 first overtone, RRc). The atmospheric parameters were estimated by using the traditional approach and the iron abundances were measured by using an LTE line analysis. The resulting iron distribution shows a well defined metal-rich tail approaching solar iron abundance. This suggests that field RRLs experienced a complex chemical enrichment in the early halo formation. We used these data to develop a new calibration of the $Δ$S method. This diagnostic, based on the equivalent widths of CaII K and three Balmer (H$_{δ,γ,β}$) lines, traces the metallicity of RRLs. For the first time the new empirical calibration: i) includes spectra collected over the entire pulsation cycle; ii) includes RRc variables; iii) relies on spectroscopic calibrators covering more than three dex in iron abundance; iv) provides independent calibrations based on one/two/three Balmer lines. The new calibrations were applied to both SEGUE-SDSS and degraded HR spectra totalling 6,451 low resolution (LR, R$\sim$2,000) spectra for 5,001 RRLs (3,439 RRab, 1,562 RRc). This resulted in an iron distribution with a median of -1.55$\pm$0.01 and $σ$=0.51 dex, in good agreement with literature values. We also found that RRc are 0.10 dex more metal-poor than RRab variables, and have a distribution with a smoother metal-poor tail. This finding supports theoretical prescriptions suggesting a steady decrease in the RRc number when moving from metal-poor to metal-rich stellar environments.
description: Accepted by ApJ
Counting edge modes via dynamics of boundary spin impurities
Creators: name: Javed, Umar
name: Marino, Jamir
name: Oganesyan, Vadim
name: Kolodrubetz, Michael
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study dynamics of the one-dimensional Ising model in the presence of static symmetry-breaking boundary field via the two-time autocorrelation function of the boundary spin. We find that the correlations decay as a power law. We uncover a dynamical phase diagram where, upon tuning the strength of the boundary field, we observe distinct power laws that directly correspond to changes in the number of edge modes as the boundary and bulk magnetic field are varied. We suggest how the universal physics can be demonstrated in current experimental setups, such as Rydberg chains.
Gravitational Lensing in the Charged NUT-de Sitter Spacetime
Creators: name: Frost, Torben C.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: It is a long-standing open question if a gravitomagnetic charge, the gravitational analogon to a hypothetical magnetic charge in electrodynamics, exists in nature. It naturally occurs in certain exact solutions to Einstein's electrovacuum-field equations with cosmological constant. The charged NUT-de Sitter metric is such a solution. It describes a black hole with electric and gravitomagnetic charges and a cosmological constant. In this paper we will address the question how we can observe the gravitomagnetic charge using gravitational lensing. For this purpose we first solve the equations of motion for lightlike geodesics using Legendre's canonical forms of the elliptic integrals and Jacobi's elliptic functions. We fix a stationary observer in the domain of outer communication and introduce an orthonormal tetrad. The orthonormal tetrad relates the direction under which the observer detects a light ray to its latitude-longitude coordinates on the observer's celestial sphere. In this parametrization we rederive the angular radius of the shadow, formulate a lens map, discuss the redshift, and the travel time. We also discuss relevant differences with respect to spherically symmetric and static spacetimes and how we can use them to determine if an astrophysical black hole has a gravitomagnetic charge.
description: v2: 41 pages and 16 figures; all figures in very high resolution; adapted to match publish version (except format and minor details); minor postprint changes to fix nonessential typos; part of this work is extended to massive particles in arXiv:2304.12563
Two-gap to Single-gap Superconducting Transition on a Honeycomb Lattice in Ca$_{1-x}$Sr$_{x}$AlSi
Creators: name: Walicka, Dorota I.
name: Guguchia, Zurab
name: Lago, Jorge
name: Blacque, Olivier
name: Ma, KeYuan
name: Khasanov, Rustem
name: von Rohr, Fabian O.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: It is a well-established fact that the physical properties of compounds follow their crystal symmetries. This has especially pronounced implications on emergent collective quantum states in materials. Specifically, the effect of crystal symmetries on the properties of superconductors is widely appreciated, although the clarification of this relationship is a core effort of on-going research. Emergent phenomena on honeycomb lattices are of special interest, as they can give rise to spectacular phenomenology, as manifested by the recent discovery of correlated states in magic-angle graphene, or by the high-temperature superconductivity in MgB$_2$. Here, we report on the structural and microscopic superconducting properties of a class of ternary superconductors with Al/Si honeycomb layers, i.e. Ca$_{1-x}$Sr$_{x}$AlSi. We show that this solid solution is a remarkable model system with a highly tunable two-gap to single-gap superconducting system on a honeycomb lattice, where the superconductivity is enhanced by a subtle structural instability, i.e. the buckling of the Al/Si layers.