cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Significant enhancement of ferromagnetism in Zn$_{1-x}$Cr$_{x}$Te doped with iodine as an n-type dopant
Creators: name: Ozaki, Nobuhiko
name: Nishizawa, Nozomi
name: Marcet, Stephane
name: Kuroda, Shinji
name: Eryu, Osamu
name: Takita, Koki
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The effect of additional doping of charge impurities was investigated in a ferromagnetic semiconductor Zn$_{1-x}$Cr$_{x}$Te. It was found that the doping of iodine, which is expected to act as an n-type dopant in ZnTe, brought about a drastic enhancement of the ferromagnetism in Zn$_{1-x}$Cr$_{x}$Te while the grown films remained electrically insulating. In particular, at a fixed Cr composition of x = 0.05, the ferromagnetic transition temperature Tc increased up to 300K at maximum due to the iodine doping from Tc = 30K of the undoped counterpart, while the ferromagnetism disappeared due to the doping of nitrogen as a p-type dopant. The observed systematic correlation of ferromagnetism with the doping of charge impurities of both p- and n-type, suggesting a key role of the position of Fermi level within the impurity d-state, is discussed on the basis of the double exchange interaction as a mechanism of ferromagnetism in this material.
description: 5 figures, to be published in Phys. Rev. Lett
Quantum quenches in a spinor condensate
Creators: name: Lamacraft, Austen
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We discuss the ordering of a spin-1 condensate when quenched from its paramagnetic phase to its ferromagnetic phase by reducing magnetic field. We first elucidate the nature of the equilibrium quantum phase transition. Quenching rapidly through this transition reveals XY ordering either at a specific wavevector, or the `light-cone' correlations familiar from relativistic theories, depending on the endpoint of the quench. For a quench proceeding at a finite rate the ordering scale is governed by the Kibble-Zurek mechanism. The creation of vortices through growth of the magnetization fluctuations is also discussed. The long time dynamics again depends on the endpoint, conserving the order parameter in zero field, but not at finite field, with differing exponents for the coarsening of magnetic order. The results are discussed in the light of a recent experiment by Sadler \emph{et al.}
description: Published version
The Law and Economics of Hedge Fund Regulation: A Comparison between the U.S. and the EU
Creators: name: Nabilou, Hossein <1982>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2014
Subjects: IUS/04 Diritto commerciale

description: This doctoral dissertation seeks to assess and address the potential contribution of the hedge fund industry to financial instability. In so doing, the dissertation investigates three main questions. What are the contributions of hedge funds to financial instability? What is the optimal regulatory strategy to address the potential contribution of hedge funds to financial instability? And do new regulations in the U.S. and the EU address the contribution of hedge funds to financial instability?

With respect to financial stability concerns, it is argued that despite their benefits, hedge funds can contribute to financial instability. Hedge funds’ size and leverage, their interconnectedness with Large Complex Financial Institutions (LCFIs), and the likelihood of herding behavior in the industry can potentially undermine financial stability. Nonetheless, the data on hedge funds’ size and leverage suggest that these features are far from being systemically important. In contrast, the empirical evidence on the interconnectedness of hedge funds with LCFIs and their herding behavior is mixed.

Based on these findings, the thesis focuses on one particular aspect of hedge fund regulation: direct vs. indirect regulation. In this respect, a major contribution of the thesis to the literature consists in the explicit discussion of the relationships between hedge funds and other market participants. Specifically, the thesis locates the domain of the indirect regulation in the inter-linkages between hedge funds and prime brokers. Accordingly, the thesis argues that the indirect regulation is likely to address the contribution of hedge funds to systemic risk without compromising their benefits to financial markets.

The thesis further conducts a comparative study of the regulatory responses to the potential contribution of hedge funds to financial instability through studying the EU Directive on Alternative Investment Fund Managers (AIFMD) and the hedge fund-related provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010.
An ultra-short-period transiting super-Earth orbiting the M3 dwarf TOI-1685
Creators: name: Bluhm, P.
name: Palle, E.
name: Molaverdikhani, K.
name: Kemmer, J.
name: Hatzes, A. P.
name: Kossakowski, D.
name: Stock, S.
name: Caballero, J. A.
name: Lillo-Box, J.
name: Bejar, V. J. S .
name: Soto, M. G.
name: Amado, P. J.
name: Brown, P.
name: Cadieux, C.
name: Cloutier, R.
name: Collins, K. A.
name: Collins, K. I.
name: Cortes-Contreras, M.
name: Doyon, R.
name: Dreizler, S.
name: Espinoza, N.
name: Fukui, A.
name: Gonzalez-Alvarez, E.
name: Henning, Th.
name: Horne, K.
name: Jeffers, S. V.
name: Jenkins, J. M.
name: Jensen, E. L. N.
name: Kaminski, A.
name: Kielkopf, J. F.
name: Kusakabe, N.
name: Kuerster, M.
name: Lafreniere, D.
name: Luque, R.
name: Murgas, F.
name: Montes, D.
name: Morales, J. C.
name: Narita, N.
name: Passegger, V. M.
name: Quirrenbach, A.
name: Schoefer, P.
name: Reffert, S.
name: Reiners, A.
name: Ribas, I.
name: Ricker, G. R.
name: Seager, S.
name: Schweitzer, A.
name: Schwarz, R. P.
name: Tamura, M.
name: Trifonov, T.
name: Vanderspek, R.
name: Winn, J.
name: Zechmeister, M.
name: Osorio, M. R. Zapatero
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Dynamical histories of planetary systems, as well as atmospheric evolution of highly irradiated planets, can be studied by characterizing the ultra-short-period planet population, which the TESS mission is particularly well suited to discover. Here, we report on the follow-up of a transit signal detected in the TESS sector 19 photometric time series of the M3.0 V star TOI-1685 (2MASS J04342248+4302148). We confirm the planetary nature of the transit signal, which has a period of P_b=0.6691403+0.0000023-0.0000021 d, using precise radial velocity measurements taken with the CARMENES spectrograph. From the joint photometry and radial velocity analysis, we estimate the following parameters for TOI-1685 b: a mass of M_b=3.78+/-0.63 M_Earth, a radius of R_b=1.70+/-0.07 R_Earth, which together result in a bulk density of rho_b=4.21+0.95-0.82 g/cm3, and an equilibrium temperature of Teq_b=1069+/-16 K. TOI-1685 b is the least dense ultra-short period planet around an M dwarf known to date. TOI-1685 b is also one of the hottest transiting Earth-size planets with accurate dynamical mass measurements, which makes it a particularly attractive target for thermal emission spectroscopy. Additionally, we report a further non-transiting planet candidate in the system, TOI-1685[c], with an orbital period of P_[c]=9.02+0.10-0.12 d.
description: 18 pages, 15 figures
Τα σχολεία της πρωτοβάθμιας εκπαιδεύσεως στον καζά Θεσσαλονίκης και στον καζά Λαγκαδά (1850-1912)
Creators: name: Βαχάρογλου, Ευστράτιος Θ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2002
Subjects: Κοινότητες στον καζά Θεσσαλονίκης και στον καζά Λαγκαδά
Τελευταία έτη της οθωμανικής κυριαρχίας (1850-1912)
Νομοθετικά πλαίσια και στάση του οθωμανικού κράτους
Απόπειρα μετάβασης από το μακρο-ιστορικό στο μικρο-ιστορικό
Greek communities in the regions of Thessaloniki and Lagathas
Last years of the Ottoman Empire (1850-1912)
The Ottoman laws for education in the Greek communities
An attempt of transition from the makro-historical to micro-historical

description: Η διδακτορική διατριβή με τίτλο "Τα σχολεία της πρωτοβάθμιας εκπαιδεύσεως στον καζά Θεσσαλονίκης και στον καζά Λαγκαδά (1850-1912)", έχει σαν σκοπό την ανάδειξη των προσπαθειών για την οργάνωση της εκπαίδευσης στις μικρότερες κοινότητες-δορυφόρους του σημαντικού κέντρου της Θεσσαλονίκης. Η Θεσσαλονίκη ήταν την περίοδο της Τουρκοκρατίας, το σπουδαιότερο εκκλησιαστικό κέντρο της Μακεδονίας, λόγω της θέσης και της σπουδαιότητας της πόλης και η Μητρόπολη Θεσσαλονίκης κατείχε πάντοτε σημαντική θέση στη σειρά των Μητροπόλεων του Οικουμενικού θρόνου. Η οργάνωση του υλικού της διατριβής έχει ως σημείο αναφοράς και τις επισκοπές του Οικουμενικού Πατριαρχείου, τις υποκείμενες στο γενικό πλαίσιο της Επισκοπικής Συνόδου Θεσσαλονίκης, καθώς και στις οδηγίες του ελεύθερου Ελληνικού Κράτους μέσω του Υπουργείου Εξωτερικών. Στα τέλη του 19ου και στις αρχές του 20ου αιώνα, αναδείχτηκαν σπουδαία εκπαιδευτικά κέντρα, όπως του Ασβεστοχωρίου, της Επανομής, των Βασιλικών, του Αειβατίου, του Λειβαδίου Χαλκιδικής, του Σωχού. Βασικοί στόχοι της παρούσας εργασίας είναι: Μια απόπειρα μετάβασης από το μακρο-ιστορικό στο μικρο-ιστορικό, ανάδειξης της προσφοράς των ελληνικών κοινοτήτων στους εθνικούς αγώνες και της αδιάλειπτης προσπάθειας για πρόοδο και ανάπτυξη, συμμετοχή των κοινοτήτων στη διαμόρφωση των εθνικών εκπαιδευτικών δρώμενων.
description: The doctorate study under the title: "Schools of primary education in the region of Thessaloniki and the region of Lagathas (1850-1912)" aims at pointing out the attempts made to organise education in minor communities around the significant city of Thessaloniki. During the Turkish occupation, Thessaloniki was the major church centre in Macedonia because of its geographical place and the significance of the town and the Metropolis of Thessaloniki had an important part to play among the Metropolis of the Oecumenical Patriarchate. The material of this study referes to the Bishops of the Oecumenical Patriarchate which were subjected to the general status of the Episcopal Synod, as well as, some orders sent by the Greek government through the foreign Office. The basic target of the present study is: An attempt of transition from makro-historical to micro-historical, that is to make known the contribution of Greek communities to the national struggle for liberation and the continious effort for progress and development.
Διερεύνηση των δυνατοτήτων εφαρμογής νέων μεθόδων συγκέντρωσης και περισυλλογής οικιακών απορριμμάτων
Creators: name: Bayouk, Samir,
Publisher: name: Aristotle University of Thessaloniki
Year: 2004
Subjects: Απορρίμματα, Οικιακά, Στερεά, Καθαριότητα
Συγκέντρωση, Περισυλλογή, Διαχείριση
Προσωπικό, Ειδικό, Απορριμματοφόρο, Κάδος, Πολυκατοικία
Νέο Σύστημα, Περίπτερο
Κατακόρυφος, Αγωγός
Συμπίεση, Υποπίεση
Waste, Urban, Solid, Cleansing
Concentration, Storage, Collection, Management
Crew, Special, Vehicle, Container, Building
New System, Cabin
Refuse Chute
Subpressure, Compression

description: Στο υπάρχον σύστημα συγκέντρωσης και περισυλλογής των οικιακών απορριμμάτων υπάρχουν πολλά προβλήματα, όπως: η άσκοπη μετακίνηση των κάδων, η υπερφόρτωσή τους, ο αναποτελεσματικός καθαρισμός τους και η ελλιπής συντήρησή τους. Το αντικείμενο της παρούσας διατριβής στοχεύει στην αποτελρσματικότερη συγκέντρωση και περισυλλογή των οικιακών απορριμμάτων, ώστε να εξασφαλίζονται κατά την αποκομιδή τους καλύτεροι όροι υγιεινής και αισθητικής. Στη διερεύνηση των δυνατοτήτων εφαρμογής νέων μεθόδων, μελετήθηκαν έντεκα λύσεις (8 νέα Συστήματα και 3 παραλλαγές): Ηκριτική σύγκριση των προτεινόμενων συστημάτων βασίζεται στο συσχετισμό της τεχνικής αρτιότητας, της αισθητικής και του κόστους λειτουργίας τους. Το συμπέρασμα που εξάγεται απ'αυτήν, είναι ότι το Σύστημα 8, το "Περίπτερο απορριμμάτων", είναι το πλέον κατάλληλο για τη σημερινή πραγματικότητα, για το λόγο αυτό και αναλύεται διεξοδικότερα. Η εφαρμογή του νέου προτεινόμενου συστήματος, θα συμβάλλει στη μείωση του κόστους αποκομιδής των απορριμμάτων, στην αισθητική αναβάθμιση των κοινόχρηστων χώρων της πόλης, στην ευαισθητοποίηση και ανάπτυξη της περιβαλλοντικής συνείδησης των πολιτών και την εδραίωσή της στην καθημερινή πράξη.
description: The existing system of concentration, storage and collection of urban solid waste (USW), suffurs from many problems, like: unreasonable removal of containers, their overloading, their ineffective cleaning, and their insufficient maintenance. The object of this study aims at the more effective concentration, storage and collection of USW, so that healthy and aesthetic collection is attained. In the investigation of possibilities of application of new methods, eleven solutions were studied (8 new systems and 3 variants). The critical comparison of the proposed systems is based on the correlation of technical perfection, aesthetics and cost of operation. The conclusion is that System 8, the "USW Cabin", is the most suitable for the current reality, and for this reason is analyzed more extensively. The application of the new proposed system, will contribute to the reduction of the cost for the collection of USW, in the improvement of communal places of cities, as well as in the development of environmental conscience of citizens and its application in daily practice.
The Debye Length and the Running Coupling of QCD: a Potential and Phenomenological Approach
Creators: name: Campos, S. D.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper, one uses a damped potential to present a description of the running coupling constant of QCD in the confinement phase. Based on a phenomenological perspective for the Debye screening length, one compares the running coupling obtained here with both the Brodsky-de Téramond-Deur and the Richardson approaches. The results seem to indicate the model introduced here corroborate the Richardson approach. Moreover, the Debye screening mass in the confinement phase depends on a small parameter, which tends to vanish in the non-confinement phase of QCD.
description: Minor misprints corrected. Accepted for publication in Int. J. Mod. Phys. A36, 2150084 (2021)
Optical Vortices during a Super-Resolution Process in a Metamaterial
Creators: name: D'Aguanno, G.
name: Mattiucci, N.
name: Bloemer, M.
name: Desyatnikov, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We show that a super-resolution process with 100% visibility is characterized by the formation of a point of phase singularity in free space outside the lens in the form of a saddle with topological charge equal to -1. The saddle point is connected to two vortices at the end boundary of the lens, and the two vortices are in turn connected to another saddle point inside the lens. The structure saddle-vortices-saddle is topologically stable. The formation of the saddle point in free space explains also the negative flux of energy present in a certain region of space outside the lens. The circulation strength of the power flow can be controlled by varying the position of the object plane with respect to the lens.
28 -- 40 GHz variability and polarimetry of bright compact sources in the QUIJOTE cosmological fields
Creators: name: Perrott, Yvette C.
name: López-Caniego, Marcos
name: Génova-Santos, Ricardo T.
name: Rubiño-Martín, Jose Alberto
name: Ashdown, Mark
name: Herranz, Diego
name: Lähteenmäki, Anne
name: Lasenby, Anthony N.
name: López-Caraballo, Carlos H.
name: Poidevin, Frédérick
name: Tornikoski, Merja
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We observed 51 sources in the Q-U-I JOint TEnerife (QUIJOTE) cosmological fields which were brighter than 1 Jy at 30 GHz in the Planck Point Source Catalogue (version 1), with the Very Large Array at 28 -- 40 GHz, in order to characterise their high-radio-frequency variability and polarization properties. We find a roughly log-normal distribution of polarization fractions with a median of 2%, in agreement with previous studies, and a median rotation measure (RM) of $\approx$ 1110 rad m$^{-2}$ with one outlier up to $\approx$ 64000 rad m$^{-2}$ which is among the highest RMs measured in quasar cores. We find hints of a correlation between the total intensity flux density and median polarization fraction. We find 59% of sources are variable in total intensity, and 100% in polarization at $3σ$ level, with no apparent correlation between total intensity variability and polarization variability. This indicates that it will be difficult to model these sources without simultaneous polarimetric monitoring observations and they will need to be masked for cosmological analysis.
description: 17 pages, 14 figures, accepted to MNRAS
Παϊσιος, Μητροπολίτης Ρόδου, Αγιαποστολίτης: συμβολή στη μελέτη του έργου ενός λόγιου του ιστ' αιώνα
Creators: name: Σαρμάνης, Ευτύχιος
Publisher: name: Aristotle University of Thessaloniki
Year: 2002
Subjects: Παϊσιος Αγιαποστολίτης
Σινά
Ομιλίες
Paissios Agiapostolites
Sina
Speeches

description: Η μελέτη διαιρείται σε τρία κεφάλαια. Στο πρώτο κεφάλαιο παραθέτω τα βιογραφικά στοιχεία του Παϊσιου και πληροφορίες περί μελών της οικογένειάς του τις οποίες εύρηκα μετά από έρευνα στα αρχεία της Βενετίας. Στο δεύτερο κεφάλαιο εξετάζω το συγγραφικό του έργο. Στο τρίτο κεφάλαιο διαπραγματεύομαι τα θέματα που προκύπτουν από την μελέτη των ανέκδοτων ομιλιών του : δογματικά, ηθικά, ερμηνευτικά και τέλος λαογραφικά και κοινωνικά. Η μελέτη μου συμβάλλει στην έρευνα προσκομλιζοντας στοιχεία βιογραφικά άγνωστα μέχρι τώρα και αποκαθιστά την ιστορική αλήθεια σχετικά με την περίοδο αρχιερατείας του στην Ρόδο καθώς και την ημερομηνία του θανάτου του. Ανεκάλυψα τις πηγές του έργου του Παϊσιου ιστορία του Αγίου Ορους Σινά και των περιχώρων του και των μέχρι τώρα ανέκδοτων ομιλιών του. Θέτοντας την προσωπικότητα του Παϊσιου στο ιστορικό πλάισιο συνεισφέρω στην καλύτερη μελέτη του ίδιου και της εποχής
description: The thesis is composed of three chapters. The first on presents unpublished onformation about Paissios and his family which was discovered in the archives of Venice. The second examines his writings, and the third one his preaching on dogma, ethics, hermeneutics, social issues and folklore. This study contribuites to our knowledge of Paissios by offering new biographical data which establish the historical facts of his bishoprie in Rhodes, as well as of the date of his death and by revealing the sources of his work the history of Holy Mount Sinai and its proper historical setting, we achieve an accurate portrait of the man and his age
Non-existence of self-similar solutions containing a black hole in a universe with a stiff fluid or scalar field or quintessence
Creators: name: Harada, Tomohiro
name: Maeda, Hideki
name: Carr, B. J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider the possible existence of self-similar solutions containing black holes in a Friedmann background with a stiff fluid or a scalar field. We carefully study the relationship between the self-similar equations in these two cases and emphasize the crucial role of the similarity horizon. We show that there is no self-similar black hole solution surrounded by an exact or asymptotically flat Friedmann background containing a massless scalar field. This result also applies for a scalar field with a potential, providing the universe is decelerating. However, if there is a potential and the universe is accelerating (as in the quintessence scenario), the result only applies for an exact Friedmann background. This extends the result previously found in the stiff fluid case and strongly suggests that accretion onto primordial black holes is ineffective even during scalar field domination. It also contradicts recent claims that such black holes can grow appreciably by accreting quintessence. Appreciable growth might be possible with very special matter fields but this requires {\it ad hoc} and probably unphysical conditions.
description: 17 pages, 6 figures, Accepted for Publication in Phys. Rev. D, Minor Correction
Current-Induced Magnetic Domain-Wall Motion by Spin Transfer Torque: Collective Coordinate Approach with Domain-Wall Width Variation
Creators: name: Jung, Soon-Wook
name: Lee, Hyun-Woo
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The spin transfer torque generated by a spin-polarized current can induce the shift of the magnetic domain-wall position. In this work, we study theoretically the current-induced domain-wall motion by using the collective coordinate approach [Gen Tatara and Hiroshi Kohno, Phys. Rev. Lett. 92, 86601 (2004)]. The approach is extended to include not only the domain-wall position and the polarization angle changes but also the domain-wall width variation. It is demonstrated that the width variation affects the critical current.
description: 13 pages, 3 figures
Στοματική κατάσταση σε άτομα με σύνδρομο Down: μελέτη ευαισθητοποιών παραγόντων
Creators: name: Αραποστάθης, Κωνσταντίνος Ν.
Publisher: name: Aristotle University of Thessaloniki
Year: 2004
Subjects: Τερηδόνα
Περιοδοντικοί νόσοι
Caries
Periodontal diseases
Microbiology of dental plaque

description: Ο σκοπός της διδακτορικής αυτής διατριβής είναι να καταγράψει τις παραμέτρους που σχετίζονται με την στοματική κατάσταση των παιδιών, εφήβων και νεαρών ενηλίκων με σύνδρομο Down στην Ελλάδα και να αναλύσει τους παράγοντες που επηρεάζουν και διαφοροποιούν τη στοματική κατάσταση των ατόμων αυτών από το γενικό πληθυσμό καθώς και από άλλες ειδικές ομάδες ασθενών
description: The purpose of the present research is to regiater the parameters connected with the oral condition of children, adolescents and young adults with Down syndrome in Greece and to analyse the factors influencing and differing the oral condition of these persons from that the general population as well as from other groups of persons with special needs
Το οικιστικό δίκτυο της Χαλκιδικής κατά την περίοδο 1912-1960: ζητήματα και διαδικασίες εξέλιξης σε συνάρτηση με φυσικές, οικονομικές και ιστορικές παραμέτρους
Creators: name: Λιλιμπάκη-Σπυροπούλου, Μαρία,
Publisher: name: Aristotle University of Thessaloniki
Year: 2002

description: Στόχος της διατριβής είναι να καταγράψει τις παραμέτρους φυσικού σχεδιασμού και να ανιχνεύσει την οικιστική πολιτική που εφαρμοζόταν σε αγροτικές περιοχές την περίοδο 1916-1960. Ο σκοπός τηε έρευνας ήταν μετά τον εντοπισμό των δεδομένων να καταγραφεί η διαδικασία επίδρασής τους στον χώρο και να μελετηθεί η αλληλουχία και η αποτελεσματικότητα των πολιτικών στην διαμόρφωση της φυσιογνωμίας του τόπου. Η παραγωγή του χώρου προκύπτει από γεγονότα-τομές τα οποία θεωρούνται μέσα από ιστορικές, φυσικές και οικονομικές παραμέτρους, έτσι ώστε να τεκμηριωθούν οι επιπτώσεις τους στον χώρο και να αποδοθεί η σταδιακή διαμόρφωση του οικιστικού δικτύου. Αντίστοιχα οι οικισμοί της Χαλκιδικής διακρίνονται σε προσφυγικοί, εργατικοί, αυτούς που προέκυψαν μετά τον σεισμό του 1932, αυτούς που προήλθαν από μετακινήσεις στην "Ανασυγκρότηση". Οι ιδιαιτερότητες που προκάλεσαν ειδικές πολιτικές διαχείρισης ήταν η απαλλοτρίωση των μεταλλείων, η μετακίνηση και επέκταση των οικισμών μετά το 1932, η αξιοποίηση των μεταλλείων κ.ά. Συνέπεια αυτών ήταν η πύκνωση του οικιστικού δικτύου, η κατοίκηση των παραλιών και η συμβολή στη διατήρηση οικισμών
description: The aim of the dissertation is to record the parameters of natural design and to detect the buildings policy that was applied to rural areas over the reference period of 1912-60 in Chalkidiki. The intention of the research, after locating the date was to record the process of their impact on space and to study the seduence as well as the effectiveness of policies on the formation of the physiognomy of the place. The production of space results from key-events in the evolution of the place which are initialled through historical matural and financial parameters after their appreciation in order to substantiate their repercussions in space and to convey the gradual configuration of the settlement network. Generally, certain peculiarities are ascertained in Chalkidiki which have caused special procedures and administrative policies for the place. A result of all these was the condensive of the settlement network, the duvelling of the coast and the contribution in preserving the settlements
Strafgefangene und Verwahrte in den Justizvollzugsanstalten Thüringens am 31.3.2016
Creators: name: (:Unkn) Unknown
Publisher: name: Universität Tübingen
Year: 2016
Subjects: subject: Strafvollzug , Thüringen , Statistik
subject: 360

description: Die Strafvollzugsstatistik erfasst die Gefangenen und Verwahrten in den Justizvollzugsanstalten auf der Grundlage ihres so genannten Buchwerkes, getrennt für Männer und Frauen sowie im offenen und geschlossenen Vollzug einschließlich Jugendstrafvollzug. Thüringen verfügt zur Zeit über insgesamt fünf Justizvollzugsanstalten sowie eine Jugendstrafanstalt und eine Jugendarrestanstalt. Es besteht bei vier Justizvollzugsanstalten und der Jugendstrafanstalt eine Abteilung des offenen Vollzugs. Ab 1995 werden die weiblichen Gefangenen auf der Grundlage einer Vereinbarung zwischen den Freistaaten Sachsen und Thüringen zum Vollzug der Freiheitsstrafe vorwiegend nach Sachsen verlegt. Rechtsgrundlage der Strafvollzugsstatistik sind die Nummern 56 Abs. 1-3 und 57 der Vollzugsgeschäftsordnung (VGO). Zum Stichtag 31. März eines jeden Jahres werden Strukturdaten nach verschiedenen demographischen und kriminologischen Aspekten aller wegen Verbüßung einer Freiheitsstrafe (einschließlich Ersatzfreiheitsstrafe) oder Jugendstrafe einsitzenden Gefangenen erfasst. Erste Veröffentlichungen dazu erfolgten im Februar 1995 für die Berichtsjahre 1991 bis 1994. Seitdem erscheint jährlich ein statistischer Bericht über die Stichtagserhebung zum 31. März. Alle im Laufe eines Jahres eingewiesenen und entlassenen Personen (Gefangenenbewegung) werden in einem gesonderten Statistischen Bericht jeweils Anfang eines jeden Jahres veröffentlicht.
Variable-Grasping-Mode Gripper With Different Finger Structures For Grasping Small-Sized Items
Creators: name: Watanabe, Tetsuyou
name: Morino, Kota
name: Asama, Yoshitatsu
name: Nishitani, Seiji
name: Toshima, Ryo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: This letter presents a novel small gripper capable of grasping various types of small-sized items from flat surfaces for the assembly of small devices. Using a single actuator, the proposed gripper realizes two grasping modes: parallel-grip and turn-over modes. The gripper's mode can be switched via contact with a flat surface, such as a table. Handling thin thicknesses and light weights are the key challenges faced in attempts to grasp small-sized items. Although parallel grippers are effective in handling small items, there is a limit to the thinness of objects that can be grasped by parallel grippers. Accordingly, the turn-over mode was adopted to grasp items that exceeded this threshold. In the turn-over mode, one finger lifts the item, while another finger holds the item from above to keep it from flicking out. The proposed gripper is capable of picking up several types of items from a table, including thin (0.05 mm) and lightweight (0.007 g) items.
description: 8 pages, 12 figures
Relations Between the Luminosity, Mass, and Age Distributions of Young Star Clusters
Creators: name: Fall, S. Michael
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We derive and interpret some relations between the luminosity, mass, and age distributions of star clusters, denoted here by phi(L), psi(M), and chi(tau), respectively. Of these, phi(L) is the easiest to determine observationally, whereas psi(M) and chi(tau) are more informative about formation and disruption processes. For populations of young clusters, with a relatively wide range of ages, phi(L) depends on both psi(M) and chi(tau) and thus cannot serve as a proxy for psi(M) in general. We demonstrate this explicitly by four illustrative examples with specific forms for either psi(M) or chi(tau). In the special case in which psi(M) is a power law and is independent of chi(tau), however, phi(L) is also a power law with the same exponent as psi(M). We conclude that this accounts for the observed similarity between phi(L) and psi(M) for the young clusters in the Antennae galaxies. This result reinforces our picture in which clusters form with psi(M) propto M^{-2} and are then disrupted rapidly at a rate roughly independent of their masses. The most likely disruptive process in this first stage is the removal of interstellar matter by the energy and momentum input from young stars (by photoionization, winds, jets, and supernovae). The few clusters that avoid this "infant mortality" are eventually disrupted in a second stage by the evaporation of stars driven by two-body relaxation, a process with a strong dependence on mass. We suspect this picture may apply to many, if not all, populations of star clusters, but this needs to be verified observationally by determinations of psi(M) and chi(tau) in more galaxies.
description: Ten pages. Astrophysical Journal. Submitted 2005 October 20. Accepted 2006 August 15. V2--Minor improvements for consistency with published article
Data-Driven Inference of High-Accuracy Isostable-Based Dynamical Models in Response to External Inputs
Creators: name: Wilson, Dan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: Isostable reduction is a powerful technique that can be used to characterize behaviors of nonlinear dynamical systems in a basis of slowly decaying eigenfunctions of the Koopman operator. When the underlying dynamical equations are known, previously developed numerical techniques allow for high-order accuracy computation of isostable reduced models. However, in situations where the dynamical equations are unknown, few general techniques are available that provide reliable estimates of the isostable reduced equations, especially in applications where large magnitude inputs are considered. In this work, a purely data-driven inference strategy yielding high-accuracy isostable reduced models is developed for dynamical systems with a fixed point attractor. By analyzing steady state outputs of nonlinear systems in response to sinusoidal forcing, both isostable response functions and isostable-to-output relationships can be estimated to arbitrary accuracy in an expansion performed in the isostable coordinates. Detailed examples are considered for a population of synaptically coupled neurons and for the one-dimensional Burgers' equation. While linear estimates of the isostable response functions are sufficient to characterize the dynamical behavior when small magnitude inputs are considered, the high-accuracy reduced order model inference strategy proposed here is essential when considering large magnitude inputs.
Statistical Mechanics of Vortices from D-branes and T-duality
Creators: name: Eto, Minoru
name: Fujimori, Toshiaki
name: Nitta, Muneto
name: Ohashi, Keisuke
name: Ohta, Kazutoshi
name: Sakai, Norisuke
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose a novel and simple method to compute the partition function of statistical mechanics of local and semi-local BPS vortices in the Abelian-Higgs model and its non-Abelian extension on a torus. We use a D-brane realization of the vortices and T-duality relation to domain walls. We there use a special limit where domain walls reduce to gas of hard (soft) one-dimensional rods for Abelian (non-Abelian) cases. In the simpler cases of the Abelian-Higgs model on a torus, our results agree with exact results which are geometrically derived by an explicit integration over the moduli space of vortices. The equation of state for U(N) gauge theory deviates from van der Waals one, and the second virial coefficient is proportional to 1/sqrt{N}, implying that non-Abelian vortices are "softer" than Abelian vortices. Vortices on a sphere are also briefly discussed.
description: 20 pages, 18 figures
On the transcendental solutions of Fermat type delay-differential and c-shift equations with some analogous results
Creators: name: Banerjee, Abhijit
name: Biswas, Tania
Publisher: name: arXiv
Year: 2021
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 39B32, 34M05, 30D35

description: In this paper, we mainly investigate on the finite order transcendental entire solutions of two Fermat types delay-differential and one Fermat type c-shift equations, as these types were not considered earlier. Our results improve those of [13] in some sense. In addition, we also extend some recent results obtained in [18]. A handful number of examples have been provided by us to justify our certain assertion as and when required.
description: 13 pages
Δημιουργία και πειραματική εφαρμογή ενός μοντέλου διδασκαλίας της ιστορίας της μουσικής στη δευτεροβάθμια εκπαίδευση
Creators: name: Ανδρούτσος, Πολύβιος
Publisher: name: Aristotle University of Thessaloniki
Year: 2002
Subjects: Μοντέλο διδασκαλίας
Ιστορία της μουσικής
Στρατηγική διδασκαλίας
Δευτεροβάθμια εκπαίδευση
Teaching model
History of music
Secondary education

description: Στόχος της έρευνας ήταν η δημιουργία και πειραματική εφαρμογή ενός μοντέλου διδασκαλίας της ιστορίας της μουσικής στη δευτεροβάθμια εκπαίδευση. Διερευνήθηκε εαν και σε ποιό αυτό το μοντέλο(μαζί με τα συστατικά του στοιχεία στρατηγική, μέθοδοι, εργαλεία και υλικό διδασκαλίας), διευκόλυνε την επίδοση μαθητών γ' γυμνασίου των γενικών δημοσίων σχολείων στην ιστορία της μουσικής. Το πλήρες δείγμα της κυρίως έρευνας αποτελούνταν από 176 μαθητές. Το σχέδιο έρευνας που χρησιμοποιηθήκε ήταν το πειραματικό σχέδιο με πειραματική ομάδα και ομάδα ελέγχου, μόνο μετά. Οκτώ άθικτα τμήματα της γ' γυμνασίου κατατάχθηκαν με τυχαία επιλογή στην πειραματική και στην ομάδα ελέγχου, λαμβάνοντας υπόψη και την αντιπροσώπευση αστικών και μη αστικών περιοχών του νομού Θεσ/νικης. Η περίοδος διδασκαλίας ήταν 10 εβδομάδες, στις οποίες καλύφθηκε η ύλη των περιόδων Μπαρόκ και κλασικής. Την 11η εβδομάδα έγινε επανάληψη και ένα τέστ εξάσκησης και την 12η το τέστ αξιολόγησης της μάθησης. Τα αποτελέσματα έδειξαν πως το τέστ ήταν αξιόπιστο και κατέδειξαν την επιτυχία του μοντέλου που αποδείχθηκε χρήσιμο και εφαρμόσιμο, καθώς και τα υλικά διδασκαλίας κατάλληλα για χρήση στα σχολεία. Τα αποτελέσματα έδειξαν επίσης πως η διδασκαλία με μοντέλο επέδρασε σημαντικά θετικά στην επίδοση των αγοριών
description: The purpose of the study was to develop and implement a model of teaching the history of music in secondary education. The researcher investigated whether and to what degree this model facilitated student achievement in the history of music including the development of skills of historic perception, comprehension of historic continuity and listening recognition and placement of musical works in their historic framework. The model consisted of the following elements strategy, methods, tools and teaching material. Subjects were 9th grade public general secondary education students in Greece(N=176). An experimental-control group post-test only design was used. Eight intact classes were randomly assigned to experimental and control groups taking under consideration regional representation. The instruction period for the both groups was 10 weeks, during which the Baroque and Classicak eras of Western art music were covered. During the 11th week a review and format trial test took place and in the 12th week a review and format test, designed by the researcher, was administrated. The results showed the test to be reliable and demonstrated the success of the model and its components, that had a substantial positive effect on male student's achievement. The model proved to be useful and viable and the teaching materials appropriate for actual use in schools
Gluon energy loss in the gauge-string duality
Creators: name: Gubser, Steven S.
name: Gulotta, Daniel R.
name: Pufu, Silviu S.
name: Rocha, Fabio D.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We estimate the stopping length of an energetic gluon in a thermal plasma of strongly coupled N=4 super-Yang-Mills theory by representing the gluon as a doubled string rising up out of the horizon.
description: 33 pages, 8 figures. v2: minor improvements
Novelty Detection via Contrastive Learning with Negative Data Augmentation
Creators: name: Chen, Chengwei
name: Xie, Yuan
name: Lin, Shaohui
name: Qiao, Ruizhi
name: Zhou, Jian
name: Tan, Xin
name: Zhang, Yi
name: Ma, Lizhuang
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

description: Novelty detection is the process of determining whether a query example differs from the learned training distribution. Previous methods attempt to learn the representation of the normal samples via generative adversarial networks (GANs). However, they will suffer from instability training, mode dropping, and low discriminative ability. Recently, various pretext tasks (e.g. rotation prediction and clustering) have been proposed for self-supervised learning in novelty detection. However, the learned latent features are still low discriminative. We overcome such problems by introducing a novel decoder-encoder framework. Firstly, a generative network (a.k.a. decoder) learns the representation by mapping the initialized latent vector to an image. In particular, this vector is initialized by considering the entire distribution of training data to avoid the problem of mode-dropping. Secondly, a contrastive network (a.k.a. encoder) aims to ``learn to compare'' through mutual information estimation, which directly helps the generative network to obtain a more discriminative representation by using a negative data augmentation strategy. Extensive experiments show that our model has significant superiority over cutting-edge novelty detectors and achieves new state-of-the-art results on some novelty detection benchmarks, e.g. CIFAR10 and DCASE. Moreover, our model is more stable for training in a non-adversarial manner, compared to other adversarial based novelty detection methods.
Αναγνώριση και εκτέλεση ερήμην αλλοδαπών αποφάσεων: ελληνικό δίκαιο-διμερείς συμβάσεις-κοινοτικό δίκαιο
Creators: name: Ανθιμος, Απόστολος Μ.,
Publisher: name: Aristotle University of Thessaloniki
Year: 2002
Subjects: Ερήμην 323 αρ. 3 ΚΠολΔ
Αρθρο 27 σημ. 2 ΣυμΒρ
Αρθρο 34 σημ. 2 Κανονισμού 44/2001
Αρθρο 15 Κανονισμού 1347/2000
Κανονισμός 1348/2000
Foreign default judgements
Article 323 Nr. 3 Code of Civil Procedure
Article 27 II of the Brussels Convention
Article 15 Regulation 1347/2000
Article 34 II regulation 44/2001
Regulation 1348/2000

description: Η διατριβή πραγματεύεται το ζήτημα της αναγνώρισης και εκτέλεσης ερήμην αλλοδαπών αποφάσεων σε τρία επίπεδα : στο πρώτο εξετάζεται η προβληματική κατά το ΚπολΔ και τις διμερείς συμβάσεις που έχει συνάψει η χώρα μας. Στο δεύτερο επιχειρείται η συγκριτική παράθεση του ζητήματος στις έννομες τάξεις των ευρωπαϊκών χωρών που απαρτίζουν την ΕΕ και τη ΕΖΕΣ. Τέλος, στο τρίτο επίπεδο παρουσιάζεται το θέμα στο πλαίσιο των Συμβρ/ΣυμΛουγκ, και των καν.44/2001, 1347/2000 και 1348/2000. Το ζητούμενο είναι κοινό και στα τρια επίπεδα και συμπυκνώνεται στο εξής ερώτημα : πως δύναται να διασφαλιστεί το δικαίωμα ακρόασης του εναγόμενου καλού, ο οποίος ερημοδικάζεται στο πρώτο κράτος ή κράτος προέλευσης, χωρίς να ακυρωθεί παράλληλα η αξίωση παροχής έννομης προστασίας του ενάγοντος-αιτούντος στο δεύτερο κράτος ή κράτος υποδοχής; η διατριβή καταλήγει στο συμπέρασμα ότι οι νέες ρυθμίσεις των ανωτέρω κανονισμών κατοχυρώνουν το δικαίωμα ακρόασης του ενάγομένου επαρκώς, ενώ παράλληλα διασφαλίζουν και την αξίωση παροχής έννομης προστασίας του ενάγοντος-αιτούντος την κήρυξη εκτελεστώτητας της αλλοδαπής απόφασης, κατά τρόπο που ακολουθείται πάγια από τον Ελληνικό Κώδικα Πολιτικής Δικονομίας
description: The thesis deals the issue recognition and enforcement of foreigh default judgements on three different levels : firstly from the Greek point of view according to the Greek Code of Civil Procedure, together with the bilateral treaties concluded from Greece. Secondly from a comparative perspective which explored the topic in the European States. Thirdly the same issue is presented in relation to the regulations 44/2001, 1347/2000 and 1348/2000. The problem is at all levels the same and can be formulated as follows : how can we ensure the right to a fair trial for the respondent who didn't appear in the court of the first state without damaging at the same time the right to an efficient protection for the plaintiff in the state, where execution will take place? The thesis reaches the conclusions that the new provisions of the aforementioned regulations are protecting sufficiently the right to a fair hearing for the plaintiff who seeks enforcement of judgements. These provisions followed the direction that prevails in the Greek Civil Procedure and the Greeks junsprudence
Swift, RXTE, and INTEGRAL observation of Swift J1922.7-1716
Creators: name: Falanga, M.
name: Belloni, T.
name: Campana, S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the results of analyzing Swift, RossiXTE, and INTEGRAL data of Swift J1922.7-1716, a likely transient X-ray source discovered by Swift/BAT. Both the fast variability measured by the RXTE/PCA and the combined Swift/XRT, RXTE/PCA, and INTEGRAL/ISGRI (0.5-100 keV) energy spectrum suggest that the system is a neutron-star low-mass X-ray binary or a black-hole candidate at low accretion levels. The non-simultaneous spectra are consistent with the same spectral shape and flux, suggesting little variability over the period July to October 2005, but the analysis of archival INTEGRAL data shows that the source was not detected in 2003-2004, suggesting a transient or strongly variable behavior.
description: 4 pages, 2 figures, accepted for publication on A&A Letters
Playing the Blame Game with Robots
Creators: name: Kneer, Markus
name: Stuart, Michael T.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: Artificial Intelligence (cs.AI)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Recent research shows -- somewhat astonishingly -- that people are willing to ascribe moral blame to AI-driven systems when they cause harm [1]-[4]. In this paper, we explore the moral-psychological underpinnings of these findings. Our hypothesis was that the reason why people ascribe moral blame to AI systems is that they consider them capable of entertaining inculpating mental states (what is called mens rea in the law). To explore this hypothesis, we created a scenario in which an AI system runs a risk of poisoning people by using a novel type of fertilizer. Manipulating the computational (or quasi-cognitive) abilities of the AI system in a between-subjects design, we tested whether people's willingness to ascribe knowledge of a substantial risk of harm (i.e., recklessness) and blame to the AI system. Furthermore, we investigated whether the ascription of recklessness and blame to the AI system would influence the perceived blameworthiness of the system's user (or owner). In an experiment with 347 participants, we found (i) that people are willing to ascribe blame to AI systems in contexts of recklessness, (ii) that blame ascriptions depend strongly on the willingness to attribute recklessness and (iii) that the latter, in turn, depends on the perceived "cognitive" capacities of the system. Furthermore, our results suggest (iv) that the higher the computational sophistication of the AI system, the more blame is shifted from the human user to the AI system.
description: 5 pages, 2 figures, 2 tables, HRI'21
Twisted holography of defect fusions
Creators: name: Oh, Jihwan
name: Zhou, Yehao
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In the twisted M-theory setting, various types of fusion of M2 and M5 branes induce coproducts between the algebra of operators on M2 branes and the algebra of operators on M5 branes. By doing a perturbative computation in the gravity side, which is captured by the 5d topological holomorphic $U(1)$ Chern-Simons theory, we reproduce the non-perturbative coproducts.
description: 41 pages, 13 figures; v2: minor change with some references added
Nonmagnetic-Defect-Induced Magnetism in Graphene
Creators: name: Kumazaki, Hideki
name: Hirashima, Dai S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: It is shown that a strong impurity potential induces short-range antiferromagnetic (ferrimagnetic) order around itself in a Hubbard model on a half-filled honeycomb lattice. This implies that short-range magnetic order is induced in monolayer graphene by a nonmagnetic defect such as a vacancy with full hydrogen termination or a chemisorption defect.
description: 5 pages, 8 figures
Direct Detection Rates of Dark Matter Coupled to Dark Energy
Creators: name: Tetradis, N.
name: Vergados, J. D.
name: Faessler, Amand
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the effect of a coupling between dark matter and dark energy on the rates for the direct detection of dark matter. The magnitude of the effect depends on the strength $κ$ of this new interaction relative to gravity. The resulting isothermal velocity distribution for dark matter in galaxy halos is still Maxwell-Boltzmann (M-B), but the characteristic velocity and the escape velocity are increased by $\sqrt{1+κ^2}$. We adopt a phenomenological approach and consider values of $κ$ near unity. For such values we find that: (i) The (time averaged) event rate increases for light WIMPs, while it is somewhat reduced for WIMP masses larger than 100 GeV. (ii) The time dependence of the rate arising from the modulation amplitude is decreased compared to the standard M-B velocity distribution. (iii) The average and maximum WIMP energy increase proportionally to $1+κ^2$, which, for sufficiently massive WIMPs, allows the possibility of designing experiments measuring $γ$ rays following nuclear de-excitation.
description: 16 pages, 7 figures
Rainfall Forecasting Using Wavelet Transform (Case Study: Rainfall period of West Seram District of Maluku Province-Indonesia)
Creators: name: Rumlawang, Francis Y.
name: Batkunde, Harmanus
Publisher: name: arXiv
Year: 2021
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: West Seram District is an area of Maluku Province that has high rainfall intensity. Trend of erratic weather changes nowadays makes it important to know the information about rainfall intensity. To know this information, we need to know about rainfall period. This will give some contributions to forecast the rainfall later. Rainfall forecasting plays an important role in water resources management. It also can be used to control the unusual event related to rainfall. In this paper, we use Wavelet transform to analyze rainfall data of West Seram District of Maluku Province-Indonesia. The data that we use is data of monthly rainfall from 1991-2016 from Meteorology, Climatology, and Geophysics agency in Ambon-Maluku-Indonesia. We also show some simulation results using Matlab.