cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Η επίδραση της χορήγησης ριβοζίδιου του νικοτιναμίδιου στην οξειδοαναγωγική ομοιοστασία και τη σωματική απόδοση σε νέους και ηλικιωμένους
Creators: name: Δολόπικου, Χριστίνα Φωτίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Αντιοξειδωτικά
Συμπληρώματα διατροφής
Ριβοζίδιο του Νικοτιναμίδιου
Antioxidants
Nutrition supplements
Nicotinamide Riboside

description: Δεδομένα μαρτυρούν πως τα άτομα τρίτης ηλικίας εμφανίζουν χαμηλά επίπεδα NAD(P)H. Έχει βρεθεί ότι η χορήγηση ριβοζίδιου του νικοτιναμίδιου (NR), μιας πρόδρομης ουσίας του NAD(P)(H) η οποία αυξάνει την απόδοση σε νεαρούς επίμυες. Ταυτόχρονα, πολλές μελέτες υποστηρίζουν πως η χορήγηση αντιοξειδωτικών συμπληρωμάτων έχει εργογόνο δράση μόνο σε άτομα που εμφανίζουν έλλειψη. Επομένως, προκύπτει η υπόθεση ότι τα άτομα τρίτης ηλικίας πιθανόν να επωφεληθούν μετά από τη χορήγηση NR. Σκοπός της παρούσας μελέτης ήταν να διερευνήσει την επίδραση της οξείας χορήγησης ριβοζιδίου του νικοτιναμίδιου στην οξειδοαναγωγική ομοιοστασία και τη σωματική απόδοση σε νέους και ηλικιωμένους. Δώδεκα νέοι και 12 ηλικιωμένοι υγιείς άνδρες έλαβαν NR ή placebo (500mg) σε μια διπλά τυφλή τυχαιοποιημένη μελέτη. Πριν και δύο ώρες μετά τη χορήγηση του NR ή του placebo πραγματοποιήθηκε η συλλογή δειγμάτων αίματος και ούρων, ενώ μετά τη δεύτερη συλλογή των δειγμάτων έλαβαν χώρα οι δοκιμασίες απόδοσης (VO2max, μυϊκής δύναμης και αντοχής). Τα αποτελέσματα έδειξαν ότι στην ηρεμία τα άτομα τρίτης ηλικίας εμφάνισαν χαμηλότερα επίπεδα NAD(P)H, υψηλότερη συγκέντρωση F2-ισοπροστανιών και χαμηλότερα επίπεδα γλουταθειόνης συγκριτικά με τους νέους (P
description: Recent experimental evidence indicates that older individuals suffer from low NADH levels. Our group has previously reported that nicotinamide riboside [NR; a NAD(P)(H) precursor] administration impaired exercise performance in young rats. Moreover, it has been suggested that supplementation of agents able to alter blood and tissue redox status exerts ergogenic effect only in deficient individuals. Thus, we hypothesized that NR supplementation would more likely benefit old individuals than their young counterparts. The aim of the present study was to investigate the effect of acute NR supplementation on redox homeostasis and physical performance in young and old individuals. Twelve young and twelve old men received NR or placebo (500 mg) in a double-blind cross over design. Before and two hours after NR or placebo supplementation blood and urine samples were collected, while physical performance (VO2max, muscle strength and fatigue) was assessed after the second blood sample collection. At rest, old individuals exhibited lower erythrocyte NAD(P)H levels, higher urine F2-isoprostanes and lower erythrocyte glutathione levels compared to young (P
Semantic elicitation: "Think"
Creators: name: Kipkoech, Linus
name: Bossi, Madeline
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: sgc

description: One .m4a file and one .pdf file. Elicitation of various reminding contexts with pɑr vs. pwɑɑt "think".
Stiff Neural Ordinary Differential Equations
Creators: name: Kim, Suyong
name: Ji, Weiqi
name: Deng, Sili
name: Ma, Yingbo
name: Rackauckas, Christopher
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: Machine Learning (cs.LG)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Neural Ordinary Differential Equations (ODE) are a promising approach to learn dynamic models from time-series data in science and engineering applications. This work aims at learning Neural ODE for stiff systems, which are usually raised from chemical kinetic modeling in chemical and biological systems. We first show the challenges of learning neural ODE in the classical stiff ODE systems of Robertson's problem and propose techniques to mitigate the challenges associated with scale separations in stiff systems. We then present successful demonstrations in stiff systems of Robertson's problem and an air pollution problem. The demonstrations show that the usage of deep networks with rectified activations, proper scaling of the network outputs as well as loss functions, and stabilized gradient calculations are the key techniques enabling the learning of stiff neural ODE. The success of learning stiff neural ODE opens up possibilities of using neural ODEs in applications with widely varying time-scales, like chemical dynamics in energy conversion, environmental engineering, and the life sciences.
Роль эпохи правления императора Адриана в поэме Ц.К. Норвида «Quidam»
Creators: name: Шевченко, Екатерина
Publisher: name: ООО Цифра
Year: 2024
Subjects: Polish literature
romanticism
historical plots
ancient Rome
польская литература
романтизм
исторические сюжеты
Древний Рим

description: Russian Linguistic Bulletin, Выпуск 2 (50) 2024
Calogero-Sutherland eigenfunctions with mixed boundary conditions and conformal field theory correlators
Creators: name: Doyon, Benjamin
name: Cardy, John
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct certain eigenfunctions of the Calogero-Sutherland hamiltonian for particles on a circle, with mixed boundary conditions. That is, the behavior of the eigenfunction, as neighbouring particles collide, depend on the pair of colliding particles. This behavior is generically a linear combination of two types of power laws, depending on the statistics of the particles involved. For fixed ratio of each type at each pair of neighboring particles, there is an eigenfunction, the ground state, with lowest energy, and there is a discrete set of eigenstates and eigenvalues, the excited states and the energies above this ground state. We find the ground state and special excited states along with their energies in a certain class of mixed boundary conditions, interpreted as having pairs of neighboring bosons and other particles being fermions. These particular eigenfunctions are characterised by the fact that they are in direct correspondence with correlation functions in boundary conformal field theory. We expect that they have applications to measures on certain configurations of curves in the statistical O(n) loop model. The derivation, although completely independent from results of conformal field theory, uses ideas from the "Coulomb gas" formulation.
description: 35 pages, 9 figures
Grammatical elicitation: Fronting with ne and ko
Creators: name: Yegon, Kiplangat
name: Bossi, Madeline
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: sgc

description: One .mp4 file and one .pdf file. Elicitation of non-verb-initial constructions with ne and ko. Exploration of island sensitivity and scope possibilities with both particles.
МОДЕРНИЗМ Э. Э. КАММИНГСА: ДЕКОНСТРУКЦИЯ ТЕКСТА И СЛОВОТВОРЧЕСТВО
Creators: name: Безруков, Андрей
Publisher: name: ООО Цифра
Year: 2024
Subjects: word creation
hybridization
immediacy of perception
deconstruction of language
словотворчество
гибридизация
непосредственность восприятия
деконструкция языка

description: Russian Linguistic Bulletin, Выпуск 2 (50) 2024
The Foaming Three-Charge Black Hole
Creators: name: Bena, Iosif
name: Wang, Chih-Wei
name: Warner, Nicholas P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We find a very large set of smooth horizonless geometries that have the same charges and angular momenta as the five-dimensional, maximally-spinning, three-charge, BPS black hole (J^2 = Q^3). Our solutions are constructed using a four-dimensional Gibbons-Hawking base space that has a very large number of two-cycles. The entropy of our solutions is proportional to Q^(1/2). In the same class of solutions we also find microstates corresponding to zero-entropy black rings, and these are related to the microstates of the black hole by continuous deformations.
description: 14 pages, harvmac
Αγωγή περί κλήρου-Η δικονομική της θεώρηση
Creators: name: Γαλλιού, Μαρία Ιωάννη
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: αγωγή περί κλήρου
pro herede κληρονόμος
νομέας κληρονομίας
inheritance lawsuit
pro herede inheritor
possessor of the inheritance

description: Στην παρούσα μελέτη, εξετάζεται η ειδική εμπράγματη αγωγή του κληρονόμου, η επονομαζόμενη «αγωγή περί κλήρου», που έχει σκοπό να προστατεύσει o κληρονόμος το κληρονομικό του δικαίωμα από τρίτο, ο οποίος κατακρατεί αντικείμενα ή ποσοστό της κληρονομίας, προβάλλοντας κληρονομικό δικαίωμα και ρυθμίζεται στο Κεφάλαιο Ε’ του πέμπτου βιβλίου του Αστικού Κώδικα και συγκεκριμένα στο άρθρο 1871ΑΚ. Στο πρώτο κεφάλαιο παραθέτεται η ιστορική διαδρομή της αγωγής περί κλήρου μέχρι την θέσπιση του Αστικού Κώδικα και στο δεύτερο κεφάλαιο, εξετάζεται η ειδική εμπράγματη αγωγή ως προς τις προϋποθέσεις που θέτει ο νόμος, προκειμένου να μπορέσει ο κληρονόμος να ενεργοποιήσει την προστασία που έχει ταχθεί από το νόμο υπέρ αυτού κατά του νομέως της κληρονομίας, ως προς τις προϋποθέσεις του παραδεκτού και του βασίμου αλλά και προς το αίτημα αυτής, οι δυνατότητες άμυνας του εναγομένου κατ’αυτού και τέλος τα αποτελέσματα, δηλαδή οι έννομες συνέπειες που αυτή επιφέρει στις έννομες σχέσεις των διαδίκων
description: Τhe present study seeks to examine the civil rights claim of the inheritor, the so-called inheritance lawsuit, which aims at the protection of the inheritor’s right against a third person, who retains percentage of the inheritance, claiming separate inheritance right. The above-mentioned issue is regulated in chapter E of' fifth book of Greek Civil Code and concretely in the articles 1871. In the first chapter, the historical evolution of inheritance lawsuit is presented until the establishment of Civil Code and in the second chapter, the civil rights claim is examined not only in the light of all legal prerequisites, so as the inheritor would activate the protection set up the legal framework, in order to defend his rights against the possessor of the inheritance, but also under the prerequisites of the admissibility and soundness of the demand, the possibilities of defense, and finally the results, that is to say the legal consequences that this involve in the legal relations of suitors
Q-Learning Lagrange Policies for Multi-Action Restless Bandits
Creators: name: Killian, Jackson A.
name: Biswas, Arpita
name: Shah, Sanket
name: Tambe, Milind
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Multi-action restless multi-armed bandits (RMABs) are a powerful framework for constrained resource allocation in which $N$ independent processes are managed. However, previous work only study the offline setting where problem dynamics are known. We address this restrictive assumption, designing the first algorithms for learning good policies for Multi-action RMABs online using combinations of Lagrangian relaxation and Q-learning. Our first approach, MAIQL, extends a method for Q-learning the Whittle index in binary-action RMABs to the multi-action setting. We derive a generalized update rule and convergence proof and establish that, under standard assumptions, MAIQL converges to the asymptotically optimal multi-action RMAB policy as $t\rightarrow{}\infty$. However, MAIQL relies on learning Q-functions and indexes on two timescales which leads to slow convergence and requires problem structure to perform well. Thus, we design a second algorithm, LPQL, which learns the well-performing and more general Lagrange policy for multi-action RMABs by learning to minimize the Lagrange bound through a variant of Q-learning. To ensure fast convergence, we take an approximation strategy that enables learning on a single timescale, then give a guarantee relating the approximation's precision to an upper bound of LPQL's return as $t\rightarrow{}\infty$. Finally, we show that our approaches always outperform baselines across multiple settings, including one derived from real-world medication adherence data.
description: 13 pages, 6 figures, to be published in Proceedings of the 27th ACM SIGKDD Conference on Knowledge Discovery and Data
Individual or Group Representation: Native Trustees on Boards of Education in Ontario
Creators: name: Brady, Patrick
Publisher: name: Canadian Journal of Native Education
Year: 2021

description: Since the release ofIndianControlofIndianEducation(National Indian Brotherhood, 1972) the number of Native students attending educational institutions operated by First Nations educational authorities has increased significantly. However, close to 50% of all Native elementary and secondary school students in Canada attend schools operated by provincial ministries of education. Although a number of provinces make provision for Na­tive representation on public and separate school boards of education, legislative restrictions and the mechanics of the electoral system often work against any meaningful Native repre­ sentation on these bodies. This article examines the impediments to Native representation on boards of education in Ontario and suggests a possible remedy to this situation.
description: Canadian Journal of Native Education, Vol. 19 No. 1 (1992)
Kosterlitz-Thouless behavior in layered superconductors: the role of the vortex-core energy
Creators: name: Benfatto, L.
name: Castellani, C.
name: Giamarchi, T.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In layered superconductors with small interlayer Josephson coupling vortex-antivortex phase fluctuations characteristic of quasi two-dimensional (2D) Kosterlitz-Thouless (KT) behavior are expected to be observable at some energy scale $T_d$. While in the 2D case $T_d$ is uniquely identified by the KT temperature $T_{KT}$ where the universal value of the superfluid density is reached, we show that in a generic anisotropic 3D system $T_d$ is controlled by the vortex-core energy, and can be significantly larger than the 2D scale $T_{KT}$. These results are discussed in relation to recent experiments in cuprate superconductors, which represent a typical experimental realization of layered anisotropic superconductors.
description: Final version, to appear on Physical Review Letters
Dimensional crossover in quantum networks: from macroscopic to mesoscopic Physics
Creators: name: Schopfer, Félicien
name: Mallet, François
name: Mailly, Dominique
name: Texier, Christophe
name: Montambaux, Gilles
name: Bäuerle, Christopher
name: Saminadayar, Laurent
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report on magnetoconductance measurements of metallic networks of various sizes ranging from 10 to $10^{6}$ plaquettes, with anisotropic aspect ratio. Both Altshuler-Aronov-Spivak (AAS) $h/2e$ periodic oscillations and Aharonov-Bohm (AB) $h/e$ periodic oscillations are observed for all networks. For large samples, the amplitude of both oscillations results from the incoherent superposition of contributions of phase coherent regions. When the transverse size becomes smaller than the phase coherent length $L_ϕ$, one enters a new regime which is phase coherent (mesoscopic) along one direction and macroscopic along the other, leading to a new size dependence of the quantum oscillations.
description: 4 pages, to appear in Phys. Rev. Lett
Luminosity and redshift dependent quasar clustering
Creators: name: Porciani, Cristiano
name: Norberg, Peder
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present detailed clustering measurements for a flux limited sample of 14,000 quasars extracted from the 2dF QSO Redshift Survey (2QZ) in the redshift range 0.81.3. On the other hand, a number of tests based on information theory and Bayesian statistics show only marginal evidence for luminosity dependent clustering. Anyway, the quality of the data is not good enough to accurately quantify how quasar biasing depends on luminosity. We critically discuss the limitations of our dataset and show that a much larger sample is needed to rule out current models for luminosity segregation. Studying the evolution of the clustering amplitude with redshift, we detect an increase of the quasar correlation length with lookback time at the 99.3 per cent confidence level. Adopting the concordance cosmological model, we discuss the evolution of quasar biasing with cosmic epoch and show that quasars are typically hosted by dark matter haloes with mass ~10^{13} M_sol.
description: MNRAS in press, 12 pages, 5 figures
Quantifying non-Markovianity via conditional mutual information
Creators: name: Huang, Zhiqiang
name: Guo, Xiao-Kan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper, we study measures of quantum non-Markovianity based on the conditional mutual information. We obtain such measures by considering multiple parts of the total environment such that the conditional mutual information can be defined in this multipartite setup. The benefit of this approach is that the conditional mutual information is closely related to recovery maps and Markov chains; we also point out its relations with the change of distinguishability. We study along the way the properties of leaked information which is the conditional mutual information that can be back flowed, and we use this leaked information to show that the correlated environment is necessary for nonlocal memory effect.
description: 10 pages, 3 figures
Oxovanadium(IV) and (V) complexes with naturally-occurring molecules
Creators: name: Zhou, Ying
Publisher: name: University of British Columbia
Year: 2008

description: Complexes with naturally-occurring ligating moieties were prepared and studied aspart of an overall process to understand the coordination chemistry of vanadium. Bis(kojato) oxovanadium(IV), VO(ka)2, bis(3-oxy-1,2-dimethy1-4-pyridinonato)-oxovanadium(IV), VO(dpp)2, bis(2-hydroxymethy1-5-oxy-1-methy1-4-pyridinonato)-oxovanadium(IV), VO(hmp)2, bis[2-(2'-oxypheny1)-2-oxazolinato]oxovanadium(IV),VO(oz)2, bis[2-(2'-oxypheny1)-2-thiazolinato]oxovanadium(IV), VO(thz)2.0.5H20 and bis(benzohydroxamato) oxovanadium(IV), VO(bz)2 were prepared and characterized. In addition, two oxovanadium(V) complexes, bis(benzohydroxamato) methoxo-oxovanadium(V), V0(OCH3)(bz)2 and bis(benzohydroxamato) ethoxooxovanadium(V), VO(0C2H5)(bz)2 were also prepared from VO(bz)2. All eight complexes were prepared in one step processes, in particular V0(dpp)2 and V0(hmp)2 which were prepared directly from maltol and kojic acid, respectively, using vanadyl and methylamine in a one-potsynthesis method. All oxovanadium complexes were characterized by infrared spectroscopy, mass spectrometry, elemental analyses and room temperature magnetic susceptibility measurements, and whenever possible, by UV-Visible spectrophotometry. 1H and 51VNMR were also used to characterize the two oxovanadium(V) complexes,VO(OCH3)(bz)2 and VO(0C2H5)(bz)2. Single crystal X-ray diffraction studies ofVO(oz)2 and V0(thz)2 were also performed by the departmental facility. Characterization of the oxovanadium(IV) complexes revealed them to be 5-coordinate square pyramidal bis(ligand) oxovanadium(IV) complexes with each ligand binding in a bidentate fashion to the central vanadium atom. VO(OCH3)(bz)2 and V0(0C2H5)(bz)2 were found to be 6-coordinate bis(ligand) oxovanadium(V) complexes. Comparison of the infrared stretching frequencies of the vanadium-oxo bond revealed that the strength of the vanadium-oxo bond in the eight complexes was consistent with bond strength observed in other oxovanadium complexes. Single crystal X-ray diffraction studies of VO(0z)2 and VO(thz)2 showed them to be isostructural. The bidentate ligands are bonded to the vanadium center through the phenolate oxygen and the oxazoline orthiazoline ring nitrogen. The two complexes are both regular square pyramids with the bidentate ligands coordinated in a trans fashion. The vanadium atoms in these complexes are elevated by approximately 0.6 A from the basal square planes defined by the four ligand 0 and N donors. The average V=0 bond length is 1.6 A.
Rogue waves on an elliptic function background in complex modified Korteweg-de Vries equation
Creators: name: Sinthuja, N.
name: Manikandan, K.
name: Senthilvelan, M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: With the assistance of one fold Darboux transformation formula, we derive rogue wave solutions of the complex modified Korteweg-de Vries equation on an elliptic function background. We employ an algebraic method to find the necessary squared eigenfunctions and eigenvalues. To begin we construct the elliptic function background. Then, on top of this background, we create a rogue wave. We demonstrate the outcome for three distinct elliptic modulus values. We find that when we increase the modulus value the amplitude of rogue waves on the dn-periodic background decreases whereas it increases in the case of cn-periodic background.
description: 17 pages, 5 figures and Accepted for Publication in Physica Scripta Journal (2021)
An Ant-Based Model for Multiple Sequence Alignment
Creators: name: Guinand, Frédéric
name: Pigné, Yoann
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantitative Methods (q-bio.QM)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: Multiple sequence alignment is a key process in today's biology, and finding a relevant alignment of several sequences is much more challenging than just optimizing some improbable evaluation functions. Our approach for addressing multiple sequence alignment focuses on the building of structures in a new graph model: the factor graph model. This model relies on block-based formulation of the original problem, formulation that seems to be one of the most suitable ways for capturing evolutionary aspects of alignment. The structures are implicitly built by a colony of ants laying down pheromones in the factor graphs, according to relations between blocks belonging to the different sequences.
Definable groups for dependent and 2-dependent theories
Creators: name: Shelah, Saharon
Publisher: name: arXiv
Year: 2007
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics

description: Let $T$ be a (first order complete) dependent theory, ${\mathfrak{C}}$ a $\barκ$-saturated model of $T$ and $G$ a definable subgroup which is abelian. Among subgroups of bounded index which are the union of $
description: Version of 2017
Children and the Future: Indian Education at Wallaceburg District Secondary School
Creators: name: Danziger, Edmund J.
Publisher: name: Canadian Journal of Native Education
Year: 2021

description: Ontario's Walpole Island First Nation and neighboring Wallaceburg District Secondary School have cooperatively improved the educational environment for Indian students at the Wallaceburg school. In this case study, interviews and archival records form the basis for a description of improved relations between the school and the reserve and the creation of a climate for an observed improvement in student achievement. A great deal of the credit for the improvement is due to the vision and work of the Walpole Island education counselors who work in the school and to a school administration that makes visible efforts to make schooling relevant for Indian secondary students. Nonetheless, problems and unresolved is­ sues remain and are addressed in a series of recommendations in the conclusion.
description: Canadian Journal of Native Education, Vol. 19 No. 1 (1992)
Electronic Properties of Alkali- and Alkaline-Earth-Intercalated Silicon Nanowires
Creators: name: Sirichantaropass, S.
name: García-Suárez, V. M.
name: Lambert, C. J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present a first-principles study of the electronic properties of silicon clathrate nanowires intercalated with various types of alkali or alkaline-earth atoms. We find that the band structure of the nanowires can be tuned by varying the impurity atom within the nanowire. The electronic character of the resulting systems can vary from metallic to semiconducting with direct band gaps. These properties make the nanowires specially suitable for electrical and optoelectronic applications.
description: 5 pages, 4 figures, 1 table
Construction of a unique metric in quasi-Hermitian quantum mechanics: non-existence of the charge operator in a 2 x 2 matrix model
Creators: name: Znojil, Miloslav
name: Geyer, Hendrik B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: For a specific exactly solvable 2 by 2 matrix model with a PT-symmetric Hamiltonian possessing a real spectrum, we construct all the eligible physical metrics and show that none of them admits a factorization CP in terms of an involutive charge operator C. Alternative ways of restricting the physical metric to a unique form are briefly discussed.
description: 13 pages
Photon polarization tensor in a magnetized plasma: Absorptive part
Creators: name: Wang, Xinyang
name: Shovkovy, Igor
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We calculate the absorptive part of the photon polarization tensor in a hot magnetized relativistic plasma. In the derivation, we utilize a Landau-level representation for the fermion Green's function in a mixed coordinate-momentum space and obtain a closed-form expression for the one-loop polarization tensor. At the leading order in the coupling, its absorptive part is determined by particle and antiparticle splitting processes ($e^{-} \leftrightarrow e^{-}+γ$ and $e^{+} \leftrightarrow e^{+}+γ$, respectively), as well as by particle-antiparticle annihilation processes ($e^{-} + e^{+}\leftrightarrow γ$). The interpretation in terms of quantum transitions between Landau levels is also given. By making use of the photon polarization tensor, we study the differential photon emission rate in the quantum limit of magnetized relativistic plasma. At low energies, the photon emission has a prolate profile with the symmetry axis along the line of the magnetic field. At high energies, on the other hand, the photon emission has an oblate profile. The underlying reasons for such emission profiles are given in both regimes. The general result for the photon polarization tensor is also used to calculate the longitudinal and transverse components of magneto-optical conductivity.
description: 31 pages, 15 multipanel figures; published version
GraphStream: A Tool for bridging the gap between Complex Systems and Dynamic Graphs
Creators: name: Pigné, Yoann
name: Dutot, Antoine
name: Guinand, Frédéric
name: Olivier, Damien
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mathematical Software (cs.MS)
subject: FOS: Computer and information sciences

description: The notion of complex systems is common to many domains, from Biology to Economy, Computer Science, Physics, etc. Often, these systems are made of sets of entities moving in an evolving environment. One of their major characteristics is the emergence of some global properties stemmed from local interactions between the entities themselves and between the entities and the environment. The structure of these systems as sets of interacting entities leads researchers to model them as graphs. However, their understanding requires most often to consider the dynamics of their evolution. It is indeed not relevant to study some properties out of any temporal consideration. Thus, dynamic graphs seem to be a very suitable model for investigating the emergence and the conservation of some properties. GraphStream is a Java-based library whose main purpose is to help researchers and developers in their daily tasks of dynamic problem modeling and of classical graph management tasks: creation, processing, display, etc. It may also be used, and is indeed already used, for teaching purpose. GraphStream relies on an event-based engine allowing several event sources. Events may be included in the core of the application, read from a file or received from an event handler.
Περί της ισοπεριμετρικής ανισότητας
Creators: name: Ανδρούτσου, Ιοκάστη Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Ισοπεριμετρική ανισότητα
Γεωμετρία
Ισοπεριμετρικές σταθερές
Isoperimetric inequality
Geometry
Isoperimetric constants

description: Σκοπός της μεταπτυχιακής εργασίας ήταν η μελέτη της ισοπεριμετρικής ανισότητας. Αρχικά, δώσαμε αποδείξεις για το κλασικό ισοπεριμετρικό πρόβλημα στο Ευκλείδιο επίπεδο, δηλαδή στο διδιάστατο ευκλείδειο χώρο. Στη συνέχεια, επεκτείναμε τη μελέτη μας σε ευκλείδειους χώρος μεγαλύτερης διάστασης. Εκεί, εξετάσαμε την ισοπεριμετρική ανισότητα ανάλογα με την κλάση διαφορισιμότητας του συνόρου του χωρίου. Επιπρόσθετα, αναφερθήκαμε στην αντιμετώπιση του ισοπεριμετρικού προβλήματος σε μια γενικότερη κλάση χωρίων, στα συμπαγή χωρία. Επίσης, παρουσιάσαμε αποτελέσματα σχετικά με τις ισοπεριμετρικές σταθερές σε πολλαπλότητες Riemann, καθώς και στις ειδικές περιπτώσεις των ελαχιστικών επιφανειών και των πολλαπλοτήτων Riemannμε μη θετική καμπυλότητα τομής
description: The aim of the present thesis was the study of the isoperimetric inequality. First,we gave proofs of the classical isoperimetric problem in Euclidean plane, namely the two-dimensional Euclidean space. Then we extended our study in Euclidean space of higher dimension. There, we examined the isoperimetric inequality depending on the smoothness of the boundary of the domain. Furthermore, we referred to the isoperimetric inequality for general compact sets. We also presented results on the isoperimetric constants on Riemannian manifolds, as well as results on minimal surfaces and on Riemannian manifolds of non positive sectional curvature
The Computers and Culture Project: A Multimedia Approach to the Preservation of Native History, Language, and Culture
Creators: name: Wilson, Jim
Publisher: name: Canadian Journal of Native Education
Year: 2021

description: This article describes a project in which a group of secondary school students used computer and video technology to archive cultural information, language and history of the Carrier of central British Columbia. The Computers and Culture project won a 1990 Asia Pacific Foundation Multicultural Award and a 1991 Northern Telecom Award for "outstanding use of information and communications technology as a learning tool for students." The project is presented as a model for other First Nations culture and language preservation projects.
description: Canadian Journal of Native Education, Vol. 19 No. 1 (1992)
Καταλογισμός σε ενοχή (άρ. 33, 34, 36 ΠΚ)
Creators: name: Καλαμάρα, Μαρία Σταύρου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Καταλογισμός σε ενοχή
Διαταραχή
Σύγκρουση καθηκόντων
Imputation of guilt
Disorder
Conflict of duties

description: Σκοπός της διατριβής ήταν η μελέτη του καταλογισμού σε ενοχή μετά τον νόμο 4619/2019 και την ισχύ του νέου ποινικού κώδικα. Αρχικά παρατίθενται οι βασικοί προβληματισμοί περί ενοχής καθώς και τα θεμέλια της στο ελληνικό ποινικό σύστημα, βασισμένα στην ποινική δογματική. Πιο συγκεκριμένα, εξετάζεται η αρχή της ενοχής σχετικά με το κράτος δικαίου, οι θεωρίες που διαμόρφωσαν τη σημερινή έννοια, το έρεισμα της στον ποινικό κώδικα καθώς και η δικαιολογητική βάση του καταλογισμού σε ενοχή. Στη συνέχεια, μετά την επεξεργασία 178 δικανικών κρίσεων, της τελευταίας δεκαετίας ως επί το πλείστον, καταγράφεται η νομολογιακή ερμηνεία και εφαρμογή της ικανότητας για καταλογισμό (άρ.34,36 ΠΚ) και της σύγκρουσης καθηκόντων λόγω τραγικού διλήμματος, ως λόγος άρσης καταλογισμού εκτός του τεθειμένου δικαίου. Καταγράφηκαν νομολογιακά σχετικά με την ικανότητα για καταλογισμό ο τρόπος προβολής του αυτοτελούς ισχυρισμού, η ψυχιατρική πραγματογνωμοσύνη και η αιτιολόγηση τους, ως λόγοι αναίρεσης. Επίσης, ομαδοποιούνται οι δικανικές κρίσεις ανάλογα με τη διαταραχή, ψυχική/διανοητική ή συνειδησιακή, και το βαθμό επιρροής στον καταλογισμό, πλήρη ή μειωμένο. Τη σκυτάλη παραλαμβάνουν οι λόγοι άρσης του καταλογισμού εκτός του τεθειμένου δικαίου, η νομολογιακή εκτίμηση τους και η αποκωδικοποίηση του νέου άρθρου 33 ΠΚ. Τέλος, στο τρίτο μέρος γίνεται σύνοψη όσων έχουν ειπωθεί και παρατίθενται δικαιοπολιτικές εκτιμήσεις που απορρέουν κατά την οπτική της γράφουσας.
description: The purpose of the present thesis was to study the imputation of guilt after the law 4619/2019 and the new Criminal Code. Initially, the main concerns of guilt and its foundations in the Greek penal system, based on criminal doctrine, are listed. More specifically, the principle of guilt in relation to the rule of law, the theories that shaped the present concept, its basis in the penal code and the justification for the imputation of guilt are examined. Subsequently, following the processing of 178 judicial judgments, of the last decade for the most part, the case law interpretation and application of the imputation capacity (Art. 34,36) and the conflict of duty due to a tragic dilemma which until now was not included in statutory law as a reason for non-imputation, are recorded. There have been case-law on the ability to impute the way in which the self-claim, the psychiatric expertise and the reasons for their appeal are presented, as grounds of appeal. Also, are grouped the forensic judgments according to the disorder, mental or conscious, and the degree of influence on imputation, complete or reduced. The reasons for the removal of the imputation outside the applicable law, their case-law assessment and the decoding of the new Article 33 CC are taken up. Finally, the third part summarizes what has been said and listed the critical judgments that emerge from the author's point of view.
Dissipative transformation of non-nucleated dwarf galaxies into nucleated systems
Creators: name: Bekki, Kenji
name: Couch, Warrick J.
name: Shioya, Yasuhiro
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Recent photometric observations by the {\it Hubble Space Telescope (HST)} have revealed the physical properties of stellar galactic nuclei in nucleated dwarf galaxies in the Virgo cluster of galaxies. In order to elucidate the formation processes of nucleated dwarfs, we numerically investigate gas dynamics, star formation, and chemical evolution within the central 1 kpc of gas disks embedded within the galactic stellar components of non-nucleated dwarfs. We find that high density, compact stellar systems can be formed in the central regions of dwarfs as a result of dissipative, repeated merging of massive stellar and gaseous clumps developed from nuclear gaseous spiral arms as a result of local gravitational instability. The central stellar components are found to have stellar masses which are typically $~$5% of their host dwarfs and show very flattened shapes, rotational kinematics, and central velocity dispersions significantly smaller than those of their host dwarfs. We also find that more massive dwarfs can develop more massive, more metal-rich, and higher density stellar systems in their central regions, because star formation and chemical enrichment proceed more efficiently owing to the less dramatic suppression of star formation by supernovae feedback effects in more massive dwarfs. Based on these results, we suggest that gas-rich, non-nucleated dwarfs can be transformed into nucleated ones as a result of dissipative gas dynamics in their central regions. We discuss the origin of the observed correlations between physical properties of stellar galactic nuclei and those of their host galaxies.
description: 13 pages, 4 figures (1 color), ApJL in press
Sequential Quantum Cloning
Creators: name: Delgado, Y.
name: Lamata, L.
name: Leon, J.
name: Salgado, D.
name: Solano, E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Not all unitary operations upon a set of qubits can be implemented by sequential interactions between each qubit and an ancillary system. We analyze the specific case of sequential quantum cloning 1->M and prove that the minimal dimension D of the ancilla grows linearly with the number of clones M. In particular, we obtain D = 2M for symmetric universal quantum cloning and D = M+1 for symmetric phase-covariant cloning. Furthermore, we provide a recipe for the required ancilla-qubit interactions in each step of the sequential procedure for both cases.
description: 4 pages, no figures. New version with changes. Accepted in Physical Review Letters
Grammatical elicitation: Questions and embedded questions
Creators: name: Yegon, Kiplangat
name: Bossi, Madeline
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: sgc

description: One .mp4 file and one .pdf file. Elicitation of different types of questions with and without embedding. Elicitation of long-distance wh-questions.
Synthesis characterization, and reactivity of ruthenium maltolato complexes
Creators: name: Jonker, Michael J.
Publisher: name: University of British Columbia
Year: 2008

description: The goal of this project was to synthesize and analyze some new ruthenium maltolato complexes as well as to explore their viability as homogeneous catalysts, particularly inaqueous media. The compounds Ru(ma)2(PPh3)2 (1), Ru(ma)2(DMS0)2 (2), Ru(ma)2(COD) (3) and RuH(ma)(C0)(PPh3)2 (4) (where Hma is maltol) were prepared by the interaction of potassium maltolate with RuC12(PPh3)4, RuC12(DMS0)4, [RuC12(COD)ln, andRuHC1(C0)(PPh3)3, respectively. All of these complexes were analyzed by 1H, OH } 13C and, where appropriate, (1H} 31P NMR spectroscopy. In addition, compounds 2 and 3 yielded crystals suitable for study by X-ray crystallography. Comparisons are made between the compounds prepared in this project and other previously synthesized maltolato complexes. The ambidentate nature of dimethyl sulfoxide (DMSO), where it has the ability to coordinate via the sulfur or the oxygen moiety, is also discussed. The DMSO complex, 2, was found to contain two sulfur-bound DMSO ligands, which is the coordination mode expected for a Ru(II) compound. The structure of the DMSO fragment of compound 2 is discussed with respect to structures reported for other DMSO derivatives. The triphenyl phosphine compound, 1, has been found to have the ability to catalyze the dimerization of phenylacetylene to a 1:1 mixture of E- and Z-1,4-diphenylbutenyne.Possible reactions of terminal acetylenes with transition metal complexes are discussed and a mechanism for the dimerization reaction is proposed.
Attribute Alignment: Controlling Text Generation from Pre-trained Language Models
Creators: name: Yu, Dian
name: Yu, Zhou
name: Sagae, Kenji
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Large language models benefit from training with a large amount of unlabeled text, which gives them increasingly fluent and diverse generation capabilities. However, using these models for text generation that takes into account target attributes, such as sentiment polarity or specific topics, remains a challenge. We propose a simple and flexible method for controlling text generation by aligning disentangled attribute representations. In contrast to recent efforts on training a discriminator to perturb the token level distribution for an attribute, we use the same data to learn an alignment function to guide the pre-trained, non-controlled language model to generate texts with the target attribute without changing the original language model parameters. We evaluate our method on sentiment- and topic-controlled generation, and show large performance gains over previous methods while retaining fluency and diversity.
FED-BOS: The Federally Controlled Band Operated School and the No-Policy Policy
Creators: name: Hall, Denis R.
Publisher: name: Canadian Journal of Native Education
Year: 2021

description: This essay suggests a more precise set of definitions for the terms used to describe adminis­trative issues in situations where Indian bands operate schools on reserves. Referring to other critical literature and to experience in order to critique the federal government's claims about the locus of control in band-operated schools, the author suggests that primari­ly because of fiscal policy constraints, in most cases that are said to be band "controlled," control is in fact retained by the federal government: band councils simply administer federal government policy, and band education committees only advise. A first step toward a remedy is suggested, the articulation by the band of formal, written, and specific educa­tional policy.
description: Canadian Journal of Native Education, Vol. 19 No. 1 (1992)
Magnetism and Spin Dynamics in Room-Temperature van der Waals Magnet Fe$_5$GeTe$_2$
Creators: name: Alahmed, Laith
name: Nepal, Bhuwan
name: Macy, Juan
name: Zheng, Wenkai
name: Sapkota, Arjun
name: Jones, Nicholas
name: Mazza, Alessandro R.
name: Brahlek, Matthew
name: Jin, Wencan
name: Mahjouri-Samani, Masoud
name: Zhang, Steven S. L.
name: Mewes, Claudia
name: Balicas, Luis
name: Mewes, Tim
name: Li, Peng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Two-dimensional (2D) van der Waals (vdWs) materials have gathered a lot of attention recently. However, the majority of these materials have Curie temperatures that are well below room temperature, making it challenging to incorporate them into device applications. In this work, we synthesized a room-temperature vdW magnetic crystal Fe$_5$GeTe$_2$ with a Curie temperature T$_c = 332$ K, and studied its magnetic properties by vibrating sample magnetometry (VSM) and broadband ferromagnetic resonance (FMR) spectroscopy. The experiments were performed with external magnetic fields applied along the c-axis (H$\parallel$c) and the ab-plane (H$\parallel$ab), with temperatures ranging from 300 K to 10 K. We have found a sizable Landé g-factor difference between the H$\parallel$c and H$\parallel$ab cases. In both cases, the Landé g-factor values deviated from g = 2. This indicates contribution of orbital angular momentum to the magnetic moment. The FMR measurements reveal that Fe$_5$GeTe$_2$ has a damping constant comparable to Permalloy. With reducing temperature, the linewidth was broadened. Together with the VSM data, our measurements indicate that Fe$_5$GeTe$_2$ transitions from ferromagnetic to ferrimagnetic at lower temperatures. Our experiments highlight key information regarding the magnetic state and spin scattering processes in Fe$_5$GeTe$_2$, which promote the understanding of magnetism in Fe$_5$GeTe$_2$, leading to implementations of Fe$_5$GeTe$_2$ based room-temperature spintronic devices.
On the infant weight loss of low- to intermediate-mass star clusters
Creators: name: Weidner, C.
name: Kroupa, P.
name: Nuernberger, D. E. A.
name: Sterzik, M. F.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Star clusters are born in a highly compact configuration, typically with radii of less than about 1 pc roughly independently of mass. Since the star-formation efficiency is less than 50 per cent by observation and because the residual gas is removed from the embedded cluster, the cluster must expand. In the process of doing so it only retains a fraction f_st of its stars. To date there are no observational constrains for f_st, although Nbody calculations by Kroupa et al. (2001) suggest it to be about 20-30 per cent for Orion-type clusters. Here we use the data compiled by Testi et al. (1997, 1998, 1999) for clusters around young Ae/Be stars and by de Wit et al. (2004, 2005) around young O stars and the study of de Zeeuw et al. (1999) of OB associations and combine these measurements with the expected number of stars in clusters with primary Ae/Be and O stars, respectively, using the empirical correlation between maximal-stellar-mass and star-cluster mass of Weidner & Kroupa (2006). We find that f_st < 50 per cent with a decrease to higher cluster masses/more-massive primaries. The interpretation would be that cluster formation is very disruptive. It appears that clusters with a birth stellar mass in the range 10 to 10^3 Msun keep at most 50 per cent of their stars.
description: 17 pages, 5 figures, to be published in MNRAS
Quantum critical "opalescence" around metal-insulator transitions
Creators: name: Misawa, Takahiro
name: Yamaji, Youhei
name: Imada, Masatoshi
Publisher: name: arXiv
Year: 2006
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Divergent carrier-density fluctuations equivalent to the critical opalescence of gas-liquid transitions emerge around a metal-insulator critical point at a finite temperature. In contrast to the gas-liquid transitions, however, the critical temperature can be lowered to zero, which offers a challenging quantum phase transition. We present a microscopic description of such quantum critical phenomena in two dimensions. The conventional scheme of phase transitions by Ginzburg, Landau and Wilson is violated and an unconventional universality appears. It offers a clear insight into the criticalities of metal-insulator transitions associated with Mott or charge-order transitions. Fermi degeneracy involving the diverging density fluctuations generates emergent phenomena near the endpoint of the first-order transition and must shed new light on remarkable phenomena found in correlated metals like unconventional cuprate superconductors. It indeed accounts for otherwise puzzling criticality of the Mott transition recently discovered in an organic conductor. We propose to measure enhanced dielectric fluctuations at small wavenumbers by accurate probes.
description: 10 pages including 4 figures
Grammatical elicitation: Complementizer agreement
Creators: name: Kipkoech, Linus
name: Bossi, Madeline
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: sgc

description: One .mp4 file and one .pdf file. Elicitation of different contexts with and without complementizer agreement. Partial complementizer agreement paradigm for "hear" and "tell".
Nuclear Superconductivity in Compact Stars: BCS Theory and Beyond
Creators: name: Sedrakian, Armen
name: Clark, John W.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Theory (nucl-th)
subject: Astrophysics (astro-ph)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: This chapter provides a review of microscopic theories of pairing in nuclear systems and neutron stars. Special attention is given to the mean-field BCS theory and its extensions to include effects of polarization of the medium and retardation of the interactions. Superfluidity in nuclear systems that exhibit isospin asymmetry is studied. We further address the crossover from the weak-coupling BCS description to the strong-coupling BEC limit in dilute nuclear systems. Finally, within the observational context of rotational anomalies of pulsars, we discuss models of the vortex state in superfluid neutron stars and of the mutual friction between superfluid and normal components, along with the possibility of type-I superconductivity of the proton subsystem.
description: 41 pages, 16 figures. Chapter contributed to "Pairing in Fermionic Systems: Basic Concepts and Modern Applications", World Scientific