cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Multi-centered black holes, scaling solutions and pure-Higgs indices from localization
Creators: name: Beaujard, Guillaume
name: Mondal, Swapnamay
name: Pioline, Boris
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The Coulomb Branch Formula conjecturally expresses the refined Witten index for $N=4$ Quiver Quantum Mechanics as a sum over multi-centered collinear black hole solutions, weighted by so-called `single-centered' or `pure-Higgs' indices, and suitably modified when the quiver has oriented cycles. On the other hand, localization expresses the same index as an integral over the complexified Cartan torus and auxiliary fields, which by Stokes' theorem leads to the famous Jeffrey-Kirwan residue formula. Here, by evaluating the same integral using steepest descent methods, we show the index is in fact given by a sum over deformed multi-centered collinear solutions, which encompasses both regular and scaling collinear solutions. As a result, we confirm the Coulomb Branch Formula for Abelian quivers in the presence of oriented cycles, and identify the origin of the pure-Higgs and minimal modification terms as coming from collinear scaling solutions. For cyclic Abelian quivers, we observe that part of the scaling contributions reproduce the stacky invariants for trivial stability, a mathematically well-defined notion whose physics significance had remained obscure.
description: 45 pages; v2: added subsection 3.4.2 on Abelian quivers with multiple oriented cycles, plus various clarifications and several references. Converted to SciPost style
Η επίδραση της θεραπείας με αλλοπουρινόλη στην εξέλιξη της χρόνιας νεφρίτιδας στη λεϊσμανίωση του σκύλου (Leishmania infantum)
Creators: name: Πλευράκη, Αικατερίνη
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Αλλοπουρινόλη
Νεφρίτιδα
Allopurinol
Nephritis

description: Με σκοπό τη μελέτη της επίδρασης της θεραπείας με αλλοπουρινόλη στην εξέλιξη της χρόνιας νεφρίτιδας στη λεϊσμανίωση του σκύλου, 30 σκύλοι με λεϊσμανίωση υποβλήθηκαν σε θεραπεία με αλλοπουρινόλη (10 mg/kg ΣΒ/12ωρο), ενώ σε 10 ακόμα ζώα με την ίδια νόσο χορηγήθηκε εικονικό φάρμακο για το ίδιο χρονικό διάστημα. Σε όλα τα ζώα έγινε κλινική εξέταση, αιματολογικές, βιοχημικές, ορολογικές εξετάσεις, ανάλυση ούρων και υπολογίσθηκε ο λόγος πρωτεϊνών/κρεατινίνης στα ούρα και ο ρυθμός της σπειραματικής διήθησης, στο χρόνο 0, στον 3ο και στον 6ο μήνα της μελέτης. Στο χρόνο 0 και στον 6ο μήνα όλα τα ζώα υποβλήθηκαν σε βιοψία από τους νεφρούς, ενώ στους ίδιους χρόνους εκτιμήθηκε η ένταση του παρασιτισμού σε επιχρίσματα από το μυελό των οστών. Από τα αποτελέσματα των διαφόρων εργαστηριακών εξετάσεων και της ιστολογικής εξέτασης των βιοψιών από τους νεφρούς, διαπιστώθηκε ότι η αλλοπουρινόλη μπορεί να περιορίσει την πρωτεϊνουρία και να αποτρέψει τη μείωση του ρυθμού της σπειραματικής διήθησης σε σκύλους με λεϊσμανίωση. Επιπλέον η ουσία αυτή μπορεί να οδηγήσει στην υποχώρηση των αλλοιώσεων της διαμεσοσωληναριακής νεφρίτιδας, αλλά δεν έχει καμία επίδραση στην εξέλιξη της σπειραματονεφρίτιδας, ανεξάρτητα από τον ιστολογικό της τύπο.
description: To detect the effect of allopurinol treatment on the progression of chronic nephritis in canine leishmaniosis, 30 dogs with the disease were treated with oral allopurinol (10 mg/kg BID) for 6 months and 10 more dogs with the same disease were put on a starch pill/dog, given twice daily, for the same period of time. Clinical examination, total blood count, biochemical and urine analysis were performed in all dogs and urine protein/creatinine ratio and glomerular filtration rate were measured at the beginning of the trial as well as 3 and 6 months later. Biopsies obtained from the right kidney of every dog at time 0 were repeated at the 6th month from the left kidney. The conclusions of this study were that allopurinol may decrease the level of proteinuria and prevent the decrease of glomerular filtration rate in dogs with leishmaniosis. Allopurinol also may improve the lesions of tubulointerstitial nephritis but it cannot stop or change the progression of glomerulonephritis, irrespective of its histologic type.
Comment on "Classical and Quantum Interaction of the Dipole"
Creators: name: Ivezic, Tomislav
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: In this paper I have presented Comment on Anandan's paper (J. Anandan, Phys. Rev. Lett. 85, 1354 (2000)) [hep-th/9910018].
description: 1 page, revtex; small changes, mainly typos, according to the published version in Phys. Rev. Lett
Denis Michael Searby, Aristotle in the Greek Gnomological Tradition
Creators: name: Overwien, Oliver
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Denis Michael Searby, Aristotle in the Greek Gnomological Tradition (Acta Universitatis Upsaliensis, 19), Uppsala 1998, 314 S.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
Investigation of a quantum mechanical detector model for moving, spread-out particles
Creators: name: Hegerfeldt, Gerhard C.
name: Neumann, Jens Timo
name: Schulman, Lawrence S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate a fully quantum mechanical spin model for the detection of a moving particle. This model, developed in earlier work, is based on a collection of spins at fixed locations and in a metastable state, with the particle locally enhancing the coupling of the spins to an environment of bosons. Appearance of bosons from particular spins signals the presence of the particle at the spin location, and the first boson indicates its arrival. The original model used discrete boson modes. Here we treat the continuum limit, under the assumption of the Markov property, and calculate the arrival-time distribution for a particle to reach a specific region.
description: 19 pages, 1 figure; minor changes, references corrected; accepted for publication in Journal of Physics A: Mathematical and General
Nanoscale decoupling of electronic nematicity and structural anisotropy in FeSe thin films
Creators: name: Ren, Zheng
name: Li, Hong
name: Zhao, He
name: Sharma, Shrinkhala
name: Wang, Ziqiang
name: Zeljkovic, Ilija
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: In a material prone to a nematic instability, anisotropic strain in principle provides a preferred symmetry-breaking direction for the electronic nematic state to follow. This is consistent with experimental observations, where electronic nematicity and structural anisotropy typically appear hand-in-hand. In this work, we discover that electronic nematicity can be locally decoupled from the underlying structural anisotropy in strain-engineered iron-selenide (FeSe) thin films. We use heteroepitaxial molecular beam epitaxy to grow FeSe with a nanoscale network of modulations that give rise to spatially varying strain. We map local anisotropic strain by analyzing scanning tunneling microscopy topographs, and visualize electronic nematic domains from concomitant spectroscopic maps. While the domains form so that the energy of nemato-elastic coupling is minimized, we observe distinct regions where electronic nematic ordering fails to flip direction, even though the underlying structural anisotropy is locally reversed. The findings point towards a nanometer-scale stiffness of the nematic order parameter.
History, Analysis and Anthropology of Medical Dramas: A Literature Review
Creators: name: Rocchi, Marta
Publisher: name: Cinergie – Il Cinema e le altre Arti
Year: 2019
Subjects: Television series; Medical drama; Television genre; Medical anthropology; Medicine and health in fiction

description: The article is dedicated to American TV series that belong to the medical drama genre. The first part of the work is aimed at providing a brief summary of the evolution of the main features of the genre with respect to settings, protagonists and their representation in fictional products. We therefore want to trace the main transformations of the longest-running products among contemporary fictional shows, from the first medical series to the ones still running today. Through literature review, we will then highlight the undisputed interest that popular cultural products, such as medical dramas, have stimulated in researchers working in different fields. In particular, we want to note the attention researchers in the field of medical anthropology have devoted, and are still devoting to this day, media studies.
description: Cinergie – Il Cinema e le altre Arti, N. 15 (2019)
Bibliotheca Teubneriana Latina (BTL-1), B.G. Teubner, Stuttgart/Leipzig und Brepols Publishers, Turnhout 1999. Wissenschaftliche Leitung: P. Tombeur
Creators: name: Lühken, Henning
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Bibliotheca Teubneriana Latina (BTL-1), B.G. Teubner, Stuttgart/Leipzig und Brepols Publishers, Turnhout 1999. Wissenschaftliche Leitung: P. Tombeur, CETEDOC, Université Catholique de Louvain, Louvain-la Neuve. CD-ROM mit viersprachigem Benutzerhandbuch (D, E, I, F).
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
Performance and combustion characteristics of a diesel-pilot gas injection engine
Creators: name: Gunawan, Hardi
Publisher: name: University of British Columbia
Year: 2008

description: High pressure injection of natural gas with diesel liquid pilot fuel has been investigated in a single-cylinder two-stroke diesel engine of low compression ratio. The thermal efficiency and emissions of NOx, CO and HC were determined at 1200RPM as a function of load. Variations of the pilot-diesel energy to total heat energy ratio (in the range 15 -25%) strongly affected efficiency and emissions rate. Gas injection pressure was also shown to be an important variable. The thermal efficiency of the gas-diesel engine was shown to exceed that of the conventional diesel at full load, and is less at low load in the present configuration. The combustion rate analysis has been used to determine the pressure rise (ignition time) delay and combustion duration as well as the characteristic burning pattern. At low load late burning high cyclic variations, and incomplete combustion are associated with peak compression temperature lower than 900 K.
Gregor Maurach, Lateinische Stilübungen. Ein Lehrbuch zum Selbstunterricht
Creators: name: Heine, Rolf
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Gregor Maurach, Lateinische Stilübungen. Ein Lehrbuch zum Selbstunterricht, Wissenschaftliche Buchgesellschaft, Darmstadt 1997. VII + 160 Seiten.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
Symbiotic Hybrid Neural Network Watchdog For Outlier Detection
Creators: name: Bui, Justin
name: Marks, Robert J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Neural networks are largely black boxes. A neural network trained to classify fruit may classify a picture of a giraffe as a banana. A neural network watchdog's job is to identify such inputs, allowing a classifier to disregard such data. We investigate whether the watchdog should be separate from the neural network or symbiotically attached. We present empirical evidence that the symbiotic watchdog performs better than when the neural networks are disjoint.
description: 10 Pages, 25 References, 10 Figures, 5 Tables
Συμβολή στη διερεύνηση της παθογένειας της ατροφίας των μασητηρίων και σκελετικών μυών στη λεϊσμανίωση του σκύλου (Leishmania infantum)
Creators: name: Βαμβακίδης, Χρήστος Δ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003

description: Σκοπός της μελέτης αυτής ήταν η διερεύνηση της παθογένειας της μυϊκής ατροφίας που παρατηρείται συχνά στη Λεϊσμανίωση του σκύλου (ΛΣ) και είναι ιδιαίτερα εμφανής και εντονότερη στους κροταφίτες μυς. Για το λόγο αυτό έγιναν διάφορες βιοχημικές (δραστηριότητα CK και LDH στον ορό του αίματος), ηλεκτροδιαγνωστικές (ΗΜΓ, ηλεκτροσπυρογράφημα), ιστοπαθολογικές, ανοσοϊστοχημικές και ιστοχημικές εξετάσεις. Στη συνέχεια τα αποτελέσματα του ΗΜΓ, και της ιστοπαθολογικής, ανοσοϊστοχημικής, και ιστοχημικής εξέτασης συγκρίθηκαν μεταξύ των μασητηρίων και των σκελετικών μυών προκειμένου να εξακριβωθεί αν η υποκείμενη μυοπάθεια εντοπίζεται αποκλειστικά στους πρώτους ή είναι γενικευμένη. Η μελέτη περιλάμβανε 48 κλινικά περιστατικά ΛΣ, η διάγνωση των οποίων στηρίχθηκε στις ορολογικές εξετάσεις (IFA, ELISA) ή/και την ανεύρεση των αμαστιγοφόρων μορφών του παρασίτου σε επιχρίσματα από οπό λεμφογαγγλίου. Για συγκριτικούς λόγους χρησιμοποιήθηκαν και 4 κλινικά υγιείς σκύλοι (μάρτυρες), που ορολογικά και παρασιτολογικά ήταν αρνητικοί στη L. infantum. Τα σπουδαιότερα συμπεράσματα που απορρέουν από τη μελέτη αυτή είναι: Στη ΛΣ η μυϊκή ατροφία οφείλεται οφείλεται σε χρόνια πολυμυϊτιδα, η οποία συνήθως είναι ασυνπτωματική. Η προέλευση της χρόνιας αυτής πολυμυϊτιδας είναι κυρίως ανοσολογική και προσβάλλονται όλοι οι τύποι των μυϊκών ινών. Στην παθογένεια της πολυμυϊτιδας αυτής φαίνεται να υπεισέρχεται και η άμεση δράση του παρασίτου, καθώς και η παρατηρούμενη ουδετεροφιλική αγγειϊτιδα.
description: The purpose of the present study was to investigate the pathogenesis of muscular atrophy, a fairly common clinical manifestation of canine leishmaniosis (CL), that is more prominent and severe in temporalis muscles. To that cause, a panel of biochemical (serum CK and LDH activities), electrodiagnostic (EMGs, electroneurograms), histopathological, immunohistochemical and histochemical techniques was employed. The relevant results obtained in the masticatory muscles were compased with those in skeletal muscles to determine whether the myopathy is localized or generalized. The study material included 48 natural CL cases, the diagnosis of which was confirmed with serology (IFA, ELISA) and lymph node cytology. Four clinically healthy dogs (controls), that had been tested negative for L. infantum with the aid of the above methods, were also used for comparative reasons. The main conclusions that could be drawn out from this study are: Muscular atrophy in CL is the result of chronic polymyositis, which may be quite asymptomatic. The origin of this myopathy is quite likely immunological with no selective injury of myofibre types. In the pathogenesis of CL polymyositis may also contribute the direct muscular injury from the parasite and the neutrophilic vasculitis found in the histopathological sections of the biopsied muscles.
Group-invariant soliton equations and bi-Hamiltonian geometric curve flows in Riemannian symmetric spaces
Creators: name: Anco, Stephen C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Universal bi-Hamiltonian hierarchies of group-invariant (multicomponent) soliton equations are derived from non-stretching geometric curve flows $\map(t,x)$ in Riemannian symmetric spaces $M=G/H$, including compact semisimple Lie groups $M=K$ for $G=K\times K$, $H={\rm diag} G$. The derivation of these soliton hierarchies utilizes a moving parallel frame and connection 1-form along the curve flows, related to the Klein geometry of the Lie group $G\supset H$ where $H$ is the local frame structure group. The soliton equations arise in explicit form from the induced flow on the frame components of the principal normal vector $N=\covder{x}\mapder{x}$ along each curve, and display invariance under the equivalence subgroup in $H$ that preserves the unit tangent vector $T=\mapder{x}$ in the framing at any point $x$ on a curve. Their bi-Hamiltonian integrability structure is shown to be geometrically encoded in the Cartan structure equations for torsion and curvature of the parallel frame and its connection 1-form in the tangent space $T_\map M$ of the curve flow. The hierarchies include group-invariant versions of sine-Gordon (SG) and modified Korteweg-de Vries (mKdV) soliton equations that are found to be universally given by curve flows describing non-stretching wave maps and mKdV analogs of non-stretching Schrodinger maps on $G/H$. These results provide a geometric interpretation and explicit bi-Hamiltonian formulation for many known multicomponent soliton equations. Moreover, all examples of group-invariant (multicomponent) soliton equations given by the present geometric framework can be constructed in an explicit fashion based on Cartan's classification of symmetric spaces.
description: Published version, with a clarification to Theorem 4.5 and a correction to the Hamiltonian flow in Proposition 5.10
Μοντελοποίηση και ανάλυση συστημάτων με υβριδικά αυτόματα
Creators: name: Κοτίνη, Ισαβέλλα Ι.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Υβριδικά αυτόματα
Υβριδικά συστήματα
Φορμαλιστικές μέθοδοι
Προδιαγραφή συστήματος
Επαλήθευση απαιτήσεων
Μοντελοποίηση και ανάλυση
Hybrid automata
Hybrid systems
Formal methods
System specification
Requirements verification
Modelling and analysis

description: Αντικείμενο της παρούσας διατριβής είναι η μελέτη υβριδικών συστημάτων, που συνδιάζουν διακριτά στοιχεία προερχόμενα από υπολογιστικά συστήματα ελέγχου και συνεχή στοιχεία προερχόμενα από φυσικά συστήματα με μεγάλο βαθμό αλληλεπίδρασης. Στα πλαίσια αυτής της διατριβής εξετάζονται οι διάφορες προσεγγίσεις μοντελοποίησης και ανάλυσης των υβριδικών συστημάτων. Γίνεται παρουσίαση των υβριδικών αυτομάτων που επιλέχθηκαν ως η καλύτερη λύση μοντελοποίησης και ανάλυσης και ακολουθεί παρουσίαση των προβλημάτων επίλυσης των υβριδικών αυτομάτων. Στη συνέχεια, προτείνονται μέθοδοι και αλγόριθμοι επίλυσης για κάθε κατηγορία των υβριδικών αυτομάτων και δίνονται παραδείγματα εφαρμογής των προτεινόμενων μεθόδων. Ακόμη, προτείνεται μια μεθοδολογία που ολοκληρώνει τα βήματα μελέτης των υβριδικών συστημάτων και ακολουθεί η εφαρμογή της μεθοδολογίας σε δύο φυσικά συστήματα. Από την πειραματική εφαρμογή των προτεινόμενων μεθόδων, αλγορίθμων προκύπτει ότι δίνεται ικανοποιητική λύση στα προβλήματα επίλυσης των υβριδικών αυτομάτων και από την πειραματική εφαρμογή της συνολικής μεθοδολογίας προκύπτει επιβεβαίωση της εφαρμοσιμότητας καθώς και η αποτελεσματικότητα των προτεινόμενων μεθόδων.
description: This dissertations aims to study hybrid systems, which compine discrete components derived from controlling computer systems and continuous components derived from highly interactive physical systems. In the context of this dissertation, a variety of approaches to modelling and analyzing hybrid systems are examined. Hybrid automata, which have been selected as a well promising formal method for modeling and analysing as well as a number of problems in solving hybrid automata, are discussed. We then propose a number of methods and algorithms for solving each one category of hybrid automata and we present corresponding examples that demonstrate the applicability of the proposals. In addition, we propose a step-by-step methodology, which integrates the above proposed methods and we present its application in two different physical systems. The experimental application of the proposed methods and algorithms results in providing a satisfying solution to the problems of solving hybrid automata, while the application of the proposed methodology results in verifying the applicability and the effeciency of the proposals.
Aligned Natural Inflation in the Large Volume Scenario
Creators: name: Angus, Stephen
name: Choi, Kang-Sin
name: Shin, Chang Sub
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We embed natural inflation in an explict string theory model and derive observables in cosmology. We achieve this by compactifying the type IIB string on a Calabi-Yau orientifold, stabilizing moduli via the Large Volume Scenario, and configuring axions using D7-brane stacks. In order to obtain a large effective decay constant, we employ the Kim-Nilles-Peloso alignment mechanism, with the required multiple axions arising naturally from anisotropic bulk geometries. The bulk volumes, and hence the axion decay constants, are stabilized by generalized one-loop corrections and subject to various conditions: the Kähler cone condition on the string geometry; the convex hull condition of the weak gravity conjecture; and the constraint from the power spectrum of scalar perturbations. We find that all constraints can be satisfied in a geometry with relatively small volume and thus heavy bulk axion mass. We also covariantize the convex hull condition for the axion-dilaton-instanton system and verify the normalization of the extremal bound.
description: 54 pages, 8 figures
E. Olshausen – H. Sonnabend (Hrsgg.), Stuttgarter Kolloquium zur historischen Geographie des Altertums 6, 1996: "Naturkatastrophen in der antiken Welt"
Creators: name: Meier, Mischa
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: E. Olshausen – H. Sonnabend (Hrsgg.), Stuttgarter Kolloquium zur historischen Geographie des Altertums 6, 1996: "Naturkatastrophen in der antiken Welt" (Geographica Historica 10). Stuttgart (Steiner) 1998, 485 S.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
Gomez's Hamburger (IRAS 18059-3211): A pre main-sequence A-type star
Creators: name: Bujarrabal, V.
name: Young, K.
name: Fong, D.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the nature of Gomez's Hamburger (IRAS 18059-3211), a nebula that has been proposed to be a post-AGB object. Such a classification is not confirmed; instead, we argue that it will be a key object in the study of disks rotating around young stars. We present high resolution SMA maps of CO J=2--1 in Gomez's Hamburger. The data are analyzed by means of a code that simulates the emission of a nebula showing a variety of physical conditions and kinematics. Our observations clearly show that the CO emitting gas in Gomez's Hamburger forms a spectacular disk in keplerian rotation. Model calculations undoubtly confirm this result. The central (mainly stellar) mass is found to be high, ~ 4 Mo for a distance of 500 pc. The mass and (relatively low) luminosity of the source are, independent of the assumed distance, very different from those possible in evolved stars. Gomez's Hamburger is probably a transitional object between the pre-MS and MS phases, still showing interstellar material around the central star or stellar system.
description: 8 pages, 4 figures, + aa.cls + bbl file; typos + language corrections
Ο μύθος του Ορφέα στο έργο του Νίκου Εγγονόπουλου ως φορέας της στάσης του απέναντι στο Γαλλικό υπερρεαλισμό
Creators: name: Δεγερμεντζίδης, Συμεών
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Συγκριτική γραμματολογία
Γαλλικός υπερρεαλισμός
Ελληνικός υπερρεαλισμός
Δημιουργός
Comparative literature
French surrealism
Greek surrealism
Creator

description: Η παρούσα διατριβή έχει ως στόχο να αναδείξει το αινιγματικά συγκαλημμένο πρότυπο του Ορφέα ως συνδετικού κρίκου δύο αλληλοπροσδιορίσιμων πεδίων αναφοράς, του ορφισμού και του ορφικού μύθου. Συνθέτοντας κριτικές θέσεις των Frye, Durand, Barthes, Cohen και Deguy, προχωρούμε στη συγκρότηση του ηθικο-αρχετυπικού μοντέλου σύγκρισης, ενός ευέλικτου μεθοδολογικού εργαλείου το οποίο χρησιμοποιούμε τόσο στην ανίχνευση της κυρίαρχης ορφικής εκδοχής μεταξύ ένδεκα μοτίβων στο έργο του έλληνα ποιητή όσο και στην ανάλυση εννέα συγκριτολογικών συνάψεων με τα έργα των Novalis, Holderlin, Rilke, Segalen, Cocteau, Anouilh, Jouve, Emmanuel και Williams σε αντίστιξη με τον εγγονοπούλειο μύθο, ώστε να αναδειχθεί η ιδιαίτερη ορφική ταυτότητά του. Επιπλέον, αναφορικά με την επαλήθευση των πορισμάτων που εξάγουμε από την ενδογενή και εξωγενή ποιητική σύγκριση στην εικαστική παραγωγή του δημιουργού, προστρέχουμε σε ένα μετεξελιγμένο μοντέλο ρηματικής και εικαστικής διακειμενικότητας, εδραιωμένο στη θεωρία του Riffaterre. Τονίζουμε ακόμη, ότι ιδιαίτερη σημασία ως προς το αισθητικό βίωμα αποδίδουμε στη θεωρία του Iser, ώστε να αποκατασταθεί ο επικοινωνιακός ρόλος του δέκτη. Το τριμερές σχήμα μουσικής-ποίησης-εικόνας ταυτίζεται με το τριμερές μοντέλο μουσικής-εικόνας-ποίησης μέσω του ενιαίου τριμερούς ορφικού μοντέλου ποίησης-μουσικής-εικόνας.
description: This thesis aims at shedding light on the enigmatically disguised prototype of Orpheus as a bond between two mutually determinable points of reference, i.e. Orphism and the Orphean myth. Reviewing the critical views of Frye, Durand, Barthes, Cohen and Deguy, we proceed to the creation of an ethical-archetypical model of comparison, a flexible methodological tool used both in detecting the dominent Orphean version among eleven motives in the work of the Greek poet and in analyzing nine comparative conclusions drawn from the works of Novalis, Holderlin, Rilke, Segalen, Cocteau, Anouilh, Jouve, Emmanuel and Williams as opposed to the myth of Eggonopoulos, in order to show his unique Orphean identity. In addition, regarding the verification of the results drawn from the endogenous and exogenous poetic comparison in the visual production of the creator, we resort to a post-evolutionary model of verbal and visual intertextuality, based on the theory of Riffaterre. It is also underlined that the theory of Iser is of great importance for the aesthetic experience, in order to restore the communicative role of the receiver in our model. The trilateral music-poetry-image schema is identified with the trilateral music-image-poetry model through a unique trilateral Orphean poetry-music-image model.
Magnetic flares in Active Galactic Nuclei: Modeling the iron Kalpha-line
Creators: name: Goosmann, R. W.
name: Czerny, B.
name: Mouchet, M.
name: Karas, V.
name: Dovciak, M.
name: Ponti, G.
name: Rozanska, A.
name: Dumont, A. -M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The X-ray spectra of Active Galactic Nuclei (AGN) are complex and vary rapidly in time as seen in recent observations. Magnetic flares above the accretion disk can account for the extreme variability of AGN. They also explain the observed iron Kalpha fluorescence lines. We present radiative transfer modeling of the X-ray reflection due to emission from magnetic flares close to the marginally stable orbit. The hard X-ray primary radiation coming from the flare source illuminates the accretion disk. A Compton reflection/reprocessed component coming from the disk surface is computed for different emission directions. We assume that the density structure remains adjusted to the hydrostatic equilibrium without external illumination because the flare duration is only a quarter-orbit. The model takes into account the variations of the incident radiation across the hot spot underneath the flare source. The integrated spectrum seen by a distant observer is computed for flares at different orbital phases close to the marginally stable orbit of a Schwarzschild black hole and of a maximally rotating Kerr black hole. The calculations include relativistic and Doppler corrections of the spectra using a ray tracing technique. We explore the practical possibilities to map out the azimuthal irradiation pattern of the inner accretion disks and conclude that the next generation of X-ray satellites should reveal this structure from iron Kalpha line profiles and X-ray lightcurves.
description: 4 pages, 4 figures, accepted for publication in Astronomische Nachrichten, proceedings of the ESAC Workshop "Variable and Broad Iron Lines around Black Holes"
The Kinematic Richness of Star Clusters - II. Stability of Spherical Anisotropic Models with Rotation
Creators: name: Breen, Philip G.
name: Rozier, Simon
name: Heggie, Douglas C.
name: Varri, Anna Lisa
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We study the bar instability in collisionless, rotating, anisotropic, stellar systems, using N-body simulations and also the matrix technique for calculation of modes with the perturbed collisionless Boltzmann equation. These methods are applied to spherical systems with an initial Plummer density distribution, but modified kinematically in two ways: the velocity distribution is tangentially anisotropic, using results of Dejonghe, and the system is set in rotation by reversing the velocities of a fraction of stars in various regions of phase space, a la Lynden-Bell. The aim of the N-body simulations is first to survey the parameter space, and, using those results, to identify regions of phase space (by radius and orbital inclination) which have the most important influence on the bar instability. The matrix method is then used to identify the resonant interactions in the system which have the greatest effect on the growth rate of a bar. Complementary series of N-body simulations examine these processes in relation to the evolving frequency distribution and the pattern speed. Finally, the results are synthesised with an existing theoretical framework, and used to consider the old question of constructing a stability criterion.
description: 17 pages, 18 figures, accepted for publication in MNRAS
Identities of the Periphery: the construction and the collective prodigy in Chicano/a writings
Creators: name: Εμμανουηλίδου, Σοφία,
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Ταυτότητα
Πολιτική
Ποιητική-Λογοτεχνική κριτική
Μυθογραφία
Ερμηνευτική Τόπου και Χρόνου
Αυτοβιογραφία
Identity-Subjectivity
Politics
Poetics-Literary criticism
Mythography
Spatial and temporal hermeneutic
Autobiography-Heterotopias-Emplacements

description: Η διατριβή "Ταυτότητες της Περιφέρειας: η κατασκευή και το συλλογικό θαύμα στη λογοτεχνία των Μεξικάνων-Αμερικάνων" είναι μία εξερεύνηση της ταυτότητας των Chicano και μία προσπάθεια να διαφωτιστούν τα αινίγματα της ζωής των μεταμοντέρνων εθνοτήτων/μειονοτήτων. Τα κείμενα που ερευνούνται στη συγκεκριμένη διατριβή χειρίζονται την έννοια του εαυτού ως μία διαρκή πορεία προς τον ορισμό του Εγώ και ως ένα επιχείρημα κατά των ηγεμόνων. Η παρούσα διατριβή κοιτάζει τους τρόπους με τους οποίους ο λογοτεχνικός/κοινωνικο-πολιτικός λόγος των Μεξικάνων-Αμερικάνων αψηφά την δύναμη των ισχυρών Λευκών, συντάσσει το δικό του μανιφέστο ύπαρξης και δείχνει ότι περιφερειακή ομάδα των Chicano καταργεί το ισχύον καθεστώς με σκοπό τη διμιουργία μίας νέας έννοιας του Εγώ.
description: "Identities of the periphery: the construction and the collective prodigy in Chicano/a writings" is a specifically identity-focused exploration of Chicano subjectivity and an attempt to enlighten the enigmas of the postmodern ethic self. Mexican-Americans, the given marginal group under discussion in this study, approach life as a constant pilgrimage to self-identification and as an argument to extraneous definitions of the self. This study explores the ways in which the Chicano peripheral subject delineates him/herself in relation to the hegemonic center(s), looks into how Mexican-Americans form their own manifesto of existence and shows that the marginal subject-group of Chicanos abolish the status quo in order to form a new self-concept.
Robert Leighton, Sicily before History. An Archaeological Survey from the Palaeolithic to the Iron Age
Creators: name: Siegmund, Frank
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Robert Leighton, Sicily before History. An Archaeological Survey from the Palaeolithic to the Iron Age. Duckworth, London 1999. VIII + 312 Seiten, 148 Abbildungen und 4 Tabellen.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
Ακολουθία του ανοσίου τραγογένη σπανού: χαρακτήρας και χρονολόγηση: μια ερμηνευτική προσέγγιση
Creators: name: Καραναστάσης, Τ. Α.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Ακολουθία (Εκκλησιαστική)
Παρωδία
Σπανός
Λαογραφία ελληνική (Ανατ. Θράκη)
Ιούδας
Εβραίοι (στην Οθωμανική Αυτοκρατορία)
Akolouthia (Office in commemoration of a saint)
Parody
Spanos (Man with scanty beard or beardless Man)
Folklore, Greek (Eastern Thrace)
Judas
Jews (in the Ottoman Empire)

description: Η ακολουθία του ανοσίου τραγογένη σπανού είναι μια ανώνυμη βωμολοχική, κυρίως σκατολογική, παρωδία ακολουθίας εις μνήμην αγίου, που περιλαμβάνει εσπερινό και όρθρο, με κάθισμα, τροπάρια, κ.ά., καθώς και τον Επιτάφιο Θρήνο του Σωτήρος, που ψάλλεται στον Όρθρο του Μεγ. Σαββάτου. Σώζεται σε τρεις παραλλαγές χρονολογημένες το α' μισό του 16ου αι. Στη διατριβή εξετάζεται ο χαρακτήρας και η χρονολόγηση του αρχικού κειμένου. Ο συγγραφέας υποστηρίζει ότι προκειται για τελετουργική συλλογική λοιδωρία που συνδέεται με το παλιό έθιμο του "καψίματος του Ιούδα-"Οβριού"" το βράδυ της Μεγ. Παρασκευής στα νότια παράλια της Ανατ. Θράκης. Προτείνει επίσης ότι το αρχικό κείμενο συντέθηκε στην περιοχή αυτή μετά το 1492 με αφορμή τον ερχομό των Σπανών=Ισπανών (Sephardim) Εβραίων στην Κωνσταντινούπολη και την Οθωμανική Αυτοκρατορία, μετά την εκδίωξη τους από την Ισπανία.
description: The Akolouthia tou anosiou tragogene spanou (Office of the Unholy Goat-bearded Beardless man) is an anonymous obscene, mostly scatological, parody of an office in commemoration of a saint, including vespers and orthros, with troparia etc., and also epitaphios threnos, the cament for the Burial of Christ procession at the Holy Saturday orthros. It survives in three versions dating to the first half of the 16th C. The dissertation concerns the character and the dating of the original text. The author argues that it is a ritual collective reproach connected with the old custom of the "burning of Judas-Jew" on the evening of Good Friday in some places of the south coast of Eastern Thrace. He proposes that the original text was produced in this area after 1492, date on which the arrival of Spanoi=Spaniards (Sephardim) Jews in Constantinople and the Ottoman Empire began, after their expulsion from Spain.
Nuclear and electronic coherence in superfluid helium
Creators: name: Poluektov, Yu. M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: A semi-phenomenological model of a many-particle system of 4He atoms is proposed, in which a helium atom is considered as a complex consisting of a nucleus and a bound pair of electrons in the singlet state. At zero temperature, there are two Bose-Einstein condensates of particles with opposite charges, namely, a condensate of positively charged nuclei and a condensate of negatively charged electron pairs. It is shown that in such a system there exist two excitation branches: sound and optical. On the basis of this model an interpretation of experiments on the study of the eltctrical activity of superfluid heliun is proposed. The frequency at which the resonant absorption of a microwave radiation is observed is interpreted as a gap in the optical branch. It is shown that the distribution of the electric potential in a standing wave in a resonator is similar to that observed experimentally.
description: 8 pages, 2 figures
Dieter Kaufmann / Paul Tiedemann, Internet für Althistoriker und Altphilologen. Eine praxisorientierte Einführung
Creators: name: Schäfer, Christoph
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Dieter Kaufmann / Paul Tiedemann, Internet für Althistoriker und Altphilologen. Eine praxisorientierte Einführung. Darmstadt 1999, XII + 186 S.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
A Unified Approach to the Minimal Unitary Realizations of Noncompact Groups and Supergroups
Creators: name: Gunaydin, Murat
name: Pavlyk, Oleksandr
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the minimal unitary representations of non-compact groups and supergroups obtained by quantization of their geometric realizations as quasi-conformal groups and supergroups. The quasi-conformal groups G leave generalized light-cones, defined by a quartic norm, invariant and have maximal rank subgroups of the form H X SL(2,R) such that G/H X SL(2,R) are para-quaternionic symmetric spaces. We give a unified formulation of the minimal unitary representations of simple non-compact groups of type A_2, G_2, D_4, F_4, E_6, E_7, E_8 and Sp(2n,R). The minimal UIRs of Sp(2n,R) are simply the singleton representations and correspond to a degenerate limit of the unified construction. The minimal unitary representations of the other noncompact groups SU(m,n), SO(m,n), SO*(2n) and SL(m,R) are also given explicitly. We extend our formalism to define and construct the corresponding minimal representations of non-compact supergroups G whose even subgroups are of the form H X SL(2,R). If H is noncompact then the supergroup G does not admit any unitary representations, in general. The unified construction with H simple or Abelian leads to the minimal representations of G(3), F(4) and OSp(n|2,R) (in the degenerate limit). The minimal unitary representations of OSp(n|2,R) with the even subgroup SO(n) X SL(2,R) are the singleton representations. We also give the minimal realization of one parameter family of Lie superalgebras D(2,1;σ).
description: Minor revision to improve the presentation. Typos corrected. Version to appear in JHEP. 35 pages; Latex file
Ανάπτυξη ηλεκτροχημικών DNA-βιοαισθητήρων και η εφαρμογή τους στη χημική ανάλυση περιβαλλοντικών και βιολογικών δειγμάτων
Creators: name: Γκέργκη, Ιωάννα
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Πορτοκαλόχρουν της Ακριδίνης
Βρωμιούχο αιθίδιο
Ακτινομυκίνη D
DNA βιοαισθητήρες
Ηλεκτρόδιο πάστας άνθρακα
Ηλεκτρόδιο κρεμάμενης σταγόνας υδραργύρου
Acridine orange
Ethidium bromide
Actinomycin C
DNA biosensors
Carbon paste electrode
Hanging mercury drop electrode

description: Σ'αυτή την εργασία αναπτύσσονται ηλεκτροχημικοί DNA-βιοαισθητήρες σε ηλεκτρόδιο πάστας άνθρακα (CPE) και σε ηλεκτρόδιο κρεμάμενης σταγόνας υδραργύρου (HMDE). Στο CPE το DNA (δίκλωνο και μονόκλωνο) δίνει κορυφές οξείδωσης λόγω των καταλοίπων γουανίνης και αδενίνης σε pH=5 και pH=7,4. Στο HMDE το δίκλωνο DNA δίνει τρείς κορυφές αναγωγής (1,2,3), το μονόκλωνο την κορυφή 1 και 3, το πλασμιδιακό την κορυφή 1 και το χαλαρωμένο την κορυφή 1 και 3. Με τους βιοαισθητήρες αυτούς έγινε μελέτη αλληλεπίδρασης γνωστών παρεμβόλιμων ουσιών (πορτοκαλόχρουν της ακριδίνης, βρωμιούχο αιθίδιο και ακτινομωκίνη D) με τις διάφορες μορφές DNA στις παραπάνω συνθήκες. Οι διαφοροποιήσεις όσον αφορά στην εμφάνιση της κορυφής 3 στο HMDE, καθώς και οι αυξομειώσεις της κορυφής οξείδωσης γουανίνης στο CPE, μπορούν να δώσουν σημαντικά στοιχεία για το μηχανισμό δράσης των ουσιών αυτών. Μελετήθηκε η αλληλεπίδραση μεταξύ δίκλωνου DNA και ακτινομυκ. με χρωματογραφία αποκλεισμού και υπολογίστηκε η σταθερά αγχιστείας. Ο DNA-βιοαισθητήρας σε CPE εφαρμόστηκε για τον προσδιορίσμό ακτινομ. σε ορό βοοειδούς. Ο sc-DNA αισθητήρας σε HMDE αξιοποιήθηκε για τη μελέτη δράσεων πολυμερών ουσιών που χρησιμοποιήθηκαν στη γονιδιακή θεραπεία.
description: This thesis is focused on the development of electrochemical DNA-biosensors by using a carbon paste electrode (CPE) and a hanging mercury drop electrode (HMDE) in order to study the interaction between DNA and potent intercalative compounds, such as acridine orange (AO), ethidium bromide (EB) and actinomycin D (ACTD). DsDNA and ssDNA are electrochemically oxidizable on a CPE surface due to their adenine and guanine content at pH=5,0 and pH=7,4. On the HMDE surface dsDNA yields three peaks (1,2,3), ssDNA yields peak 1 and 3, plasmid DNA (sc) yields peak 1 and open circular (oc) yields peak 1 and 3. The differentiations concerning the appearance of peak 3 on HMDE and those concerning the increase or decrease of guanine peak on CPE can give great evidence concerning the reaction mechanism of intercalators. The interaction between dsDNA and ACTD was also studied by size exclusion chromatography and the binding constant was determined. The dsDNA-sensor was applied to the detection of ACTD in serum samples. The scDNA-sensor was applied to the study of interaction between DNA and polymer compounds used as vectors in gene therapy.
Investigating the Relationship and Potential Interactions of CD108131 and SGCE
Creators: name: Jamieson-Williams, Rhiannon
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2019
Subjects: neuroscience
genetics
myoclonus
dystonia
lncRNA
CRISPR

description: Myoclonus dystonia (MD) is a rare autosomal-dominant combined dystonia movement disorder characterised by quick, involuntary muscle jerks (myoclonus) paired with sustained muscular contraction (dystonia). Although known to be genetically heterogeneous, the most common genetic factor is mutations within SGCE, the gene encoding ε-sarcoglycan, accounting for approximately 45% of cases. Previous linkage analyses conducted on a family displaying inherited MD without SGCE mutations lead to the identification of another critical region, DYT15. Preliminary data suggested that mutations within the long non-coding RNA (lncRNA) CD108131, found within the DYT15 locus, resulted in decreased expression of both the SGCE transcript, as well as the SGCE protein. Validation of the remaining variants of interest yielded no new candidate genes. A low coverage area coinciding with the entire sequence of TMEM200C was discovered, however subsequent sequencing data revealed no potential disease-causing variants. Therefore, to further characterise the relationship between CD108131 and SGCE suggested by the preliminary data, a CRISPR-Cas9 knockout was developed in HEK293 cells using a double-cut strategy that allowed for complete excision of the CD108131 gene. Stable CD108131 knockout mutant cell lines were examined for differences in gene expression. QRT-PCR analysis was conducted and revealed a significant decrease in SGCE expression in the absence of CD108131. Additionally, expression also trended towards a decrease for ZBTB14, however ARHGAP28 and RPPH1 were not significantly altered. This data demonstrates that the lncRNA CD108131 is likely to have a regulatory effect on SGCE, and perhaps ZBTB14, transcription.
Keith Hopwood, Ed., Organised Crime in Antiquity
Creators: name: Grünewald, Thomas
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Keith Hopwood, Ed., Organised Crime in Antiquity. London: Duckworth 1999. XV + 278 S.
description: Göttinger Forum für Altertumswissenschaft, Bd. 2 (1999): Göttinger Forum für Altertumswissenschaft
A New Derivation of the Propagator's Path Integral for Spinless Elementary Particles
Creators: name: Napoletani, Domenico
name: Struppa, Daniele C.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce a notion of isolated units, elementary particles or more general physical phenomena that do not significantly affect their surrounding environment, and we build a primitive ontology to describe their evolution and interaction. We further introduce a notion of indistinguishability of distinct spacetime paths of a unit, for which the evolution of the state variables of the unit is the same, and a generalization of the equivalence principle based on indistinguishability. Under a time invertibility condition on the whole set of indistinguishable paths of a unit, we show that the quantization of motion of spinless elementary particles in a general potential field can be derived in this framework, in the limiting case of weak fields and low velocities. Extrapolating this approach to include weak relativistic effects, we explore possible experimental consequences.
description: 34 pages., minor corrections, added new references and a conclusion
Autoionizing Polaritons in Attosecond Atomic Ionization
Creators: name: Harkema, Nathan
name: Cariker, Coleman
name: Lindroth, Eva
name: Argenti, Luca
name: Sandhu, Arvinder
Publisher: name: arXiv
Year: 2021
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences
subject: J.2.9
subject: 81.10

description: Light-induced states are commonly observed in the photoionization spectra of laser-dressed atoms. The properties of autoionizing polaritons, entangled states of light and Auger resonances, however, are largely unexplored. We employ attosecond transient-absorption spectroscopy to study the evolution of autoionizing states in argon, dressed by a tunable femtosecond laser pulse. The avoided crossings between the $3s^{-1}4p$ and several light-induced states indicates the formation of polariton multiplets. We measure a controllable stabilization of the polaritons against ionization, in excellent agreement with \emph{ab initio} theory. Using an extension of the Jaynes-Cummings model to autoionizing states, we show that this stabilization is due to the destructive interference between the Auger decay and the radiative ionization of the polaritonic components. These results give new insights into the optical control of electronic structure in the continuum, and unlock the door to applications of autoionizing polaritons in poly-electronic systems.
description: 5 pages, 3 figures