cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Towards a Model-Independent Analysis of Rare $B$ Decays
Creators: name: Ali, A.
name: Giudice, G. F.
name: Mannel, T.
Publisher: name: arXiv
Year: 1994
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Motivated by the experimental accessibility of rare $B$ decays in the ongoing and planned experiments, we propose to undertake a model-independent analysis of the inclusive decay rates and distributions in the processes \bgamaxs~ and \Bsell ~($B=B^\pm$ or $B^0_d$). We show how measurements of the decay rates and distributions in these processes would allow us to extract the magnitude and sign of the dominant Wilson coefficients of the magnetic moment operator $\mb \bar{s}_L σ_{μν} b_R F^{μν}$ and the four-fermion operators $(\bar{s}_L γ_μb_L)(\bar{\ell} γ^μ \ell)$ and $(\bar{s}_L γ_μb_L)(\bar{\ell} γ^μγ^5 \ell)$. Non-standard-model effects could thus manifest themselves at low energy in rare $B$ decays through the Wilson coefficient having values distinctly different from their standard-model counterparts. We illustrate this possibility using the examples of the two-doublet Higgs models and the minimal supersymmetric models. The dilepton invariant mass spectrum and the forward-backward asymmetry of $\ell^+$ in the centre-of-mass system of the dilepton pair in the decay \Bsell ~are also worked out for the standard model and some representative solutions for the other two models.
description: LaTeX, 36 pages, 11 figures appended after \end{document} as uu-encoded and compressed .eps files, uses epsf, CERN-TH.7346/94
The Scatter in the Relationship between Redshift and the Radio-to-Submm Spectral Index
Creators: name: Carilli, C. L.
name: Yun, M. S.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We derive the scatter in the relationship between redshift and radio-to-submm spectral index, alpha^{350}_{1.4}, using the observed spectral energy distributions of 17 low redshift star forming galaxies. A mean galaxy model is derived, along with the rms scatter in alpha^{350}_{1.4}. The scatter is roughly constant with redshift. Constant rms scatter, combined with the flattening of the mean alpha^{350}_{1.4} -- z relationship with increasing redshift, leads to increasing uncertainty for redshift estimates at high redshifts. Normalizing by the dust temperature in the manner proposed by Blain decreases the scatter in alpha^{350}_{1.4} for most of the sample, but does not remove outliers, and free-free absorption at rest frequencies above 1.4 GHz is not likely to be a dominant cause for scatter in the alpha^{350}_{1.4} -- z relationship. We re-derive the cumulative redshift distribution of the 14 field galaxies in a recent submm and radio source sample of Smail et al.. The most likely median redshift for the distribution is 2.7, with a conservative lower limit of z = 2, as was also found by Smail et al. based on the original alpha^{350}_{1.4} -- z models. The normalization and shape of the redshift distribution for the faint submm sources are consistent with those expected for forming elliptical galaxies.
description: Added Erratum, standard AAS LATEX format
Καλλιτεχνική έρευνα: μέθοδοι και κατευθύνσεις, IV: Επιστροφή από το μακριά, από το πάντα, και από το χωρίς: «Μεγαλύτερες» γυναίκες στο musical theatre
Creators: name: Ρηγοπούλου, Φαίη
Publisher: name: Σκηνή
Year: 2021
Subjects: musical theatre; πρακτική ως έρευνα (Practice as Research); «μεγαλύτερες» ηθοποιοί; vocality (ενσώματη φωνητική παρουσία); παραστατική/επιτελεστική ανάλυση

description: Το κείμενο παρουσιάζει μια πρόταση για το πώς η «πρακτική ως έρευνα» (Practice as Research) μπορεί να χρησιμοποιηθεί ως βασική μεθοδολογία ακαδημαϊκών διερευνήσεων πάνω στις συνθήκες ταυτοτικής παραγωγής χαρακτήρων στο musical theatre που προορίζονται για «μεγαλύτερες» σε ηλικία γυναίκες, από τη συγγραφική/στιχουργική και μουσική τους σύλληψη στη σκηνική τους πραγμάτωση.
description: Σκηνή, No 12 (2020)
title: ADCO, Privilèges de l'Ordre de Cîteaux en matière de succession (Fin XVe siècle), Cart. 176 (11 H 8), f. 0014
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2017
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Privilèges de l'Ordre de Cîteaux en matière de succession (Fin XVe siècle), Archives départementales de la Côte-d'Or, Cart. 176 (11 H 8), f. 0014, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Privilèges de l'Ordre de Cîteaux en matière de succession (Fin XVe siècle), Archives départementales de la Côte-d'Or, Cart. 176 (11 H 8), f. 0014, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: http://www.wikidata.org/entity/Q843261
description: Provenance: abbaye de Cîteaux
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
Special cubulation of strict hyperbolization
Creators: name: Lafont, Jean-François
name: Ruffoni, Lorenzo
Publisher: name: arXiv
Year: 2022
Subjects: subject: Group Theory (math.GR)
subject: Differential Geometry (math.DG)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 20F67, 53C23, 20E26, 57Q05

description: We prove that the Gromov hyperbolic groups obtained by the strict hyperbolization procedure of Charney and Davis are virtually compact special, hence linear and residually finite. Our strategy consists in constructing an action of a hyperbolized group on a certain dual CAT(0) cubical complex. As a result, all the common applications of strict hyperbolization are shown to provide manifolds with virtually compact special fundamental group. In particular, we obtain examples of closed negatively curved Riemannian manifolds whose fundamental groups are linear and virtually algebraically fiber.
description: 70 pages, 32 figures, comments are welcome. v2: Corollary 1.6 in v1 needed a relative version of our main theorem, so it has been moved to arXiv:2304.14946. v3: Theorem 1.2 has been improved and now works for any compact simplicial complex. Various minor edits to improve the exposition. Figure 20 is new. v4: minor edits. Final version to appear in Inventiones Mathematicae
Cerrando puertas: la postura del gobierno argentino frente al exilio político español y la movilización social pro-republicana en el período de entreguerras
Creators: name: Barbecho, Lidia Bocanegra
Publisher: name: Zenodo
Year: 2018
Subjects: Spanish republican exile
Exilio republicano español
Argentina
Ayuda humanitaria

description: Durante el conflicto español, 1936-1939, el gobierno argentino estuvo bajo la presidencia conservadora de Agustín Pedro Justo (1932-1938) y Roberto Marcelino Ortiz (1938-1940) quienes, junto con el Comité Ejecutivo de turno, se resguardaron detrás de una posición de prescindencia con respecto al conflicto de España. Esta actitud contrastaba fuertemente con la opinión social argentina y la oposición política, quienes a grandes rasgos solicitaban el rechazo del Comité de No Intervención, ayuda material al gobierno de la República y, por último, acogida para los miles de refugiados republicanos ubicados en los campos de concentración franceses peninsulares y coloniales. Pese a declararse Argentina un Estado neutral, pese a inhibir los partidos y sindicatos de izquierda, la sociedad argentina, politizada o no, respondió desafiando al gobierno a través de las ayudas humanitarias pro-republicanas. Varios son los factores que condicionaron esa conducta: por un lado, la conexión cultural-sanguínea de la propia colonia inmigrante española, núcleo del movimiento solidario y numéricamente mayoritaria dentro de aquel mosaico poblacional inmigratorio argentino; por otro lado, la propensión al asociacionismo de esa colonia la cual venía produciéndose desde la segunda mitad del siglo XIX y que dio lugar a la creación de clubes, centros regionales y casas de Socorros Mutuos, colaborando a estructurar aquel movimiento solidario. Unido a este factor, el asociacionismo obrero que dio lugar a la creación de diferentes sindicatos y gremios aglutinados a través de la Confederación General del Trabajo (CGT), ayudando a organizar y captar fondos para el auxilio pro-republicano.
Bayesian optimization for computationally extensive probability distributions
Creators: name: Tamura, Ryo
name: Hukushima, Koji
Publisher: name: arXiv
Year: 2018
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: An efficient method for finding a better maximizer of computationally extensive probability distributions is proposed on the basis of a Bayesian optimization technique. A key idea of the proposed method is to use extreme values of acquisition functions by Gaussian processes for the next training phase, which should be located near a local maximum or a global maximum of the probability distribution. Our Bayesian optimization technique is applied to the posterior distribution in the effective physical model estimation, which is a computationally extensive probability distribution. Even when the number of sampling points on the posterior distributions is fixed to be small, the Bayesian optimization provides a better maximizer of the posterior distributions in comparison to those by the random search method, the steepest descent method, or the Monte Carlo method. Furthermore, the Bayesian optimization improves the results efficiently by combining the steepest descent method and thus it is a powerful tool to search for a better maximizer of computationally extensive probability distributions.
description: 13 pages, 5 figures
On some building blocks of hypergraphs
Creators: name: Banerjee, Anirban
name: Parui, Samiron
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: Primary 05C65, 05C69, 05C15, 05C50, Secondary 05C12, 05C70, 05C81, 05C30, 05C07

description: In this study, we explore the interrelation between hypergraph symmetries represented by equivalence relations on the vertex set and the spectra of operators associated with the hypergraph. We introduce the idea of equivalence relation compatible operators related to hypergraphs. Some eigenvalues and the corresponding eigenvectors can be computed directly from the equivalence classes of the equivalence relation. The other eigenvalues can be computed from a quotient operator obtained by identifying each equivalence class as an element. We provide an equivalence relation $\mathfrak{R}_s$ on the vertex set of a hypergraph such that the Adjacency, Laplacian, and signless Laplacian operators associated with that hypergraph become $\mathfrak{R}_s$-compatible. The $\mathfrak{R}_s$-equivalence classes are named as units. Using units, we find some more symmetric substructures of hypergraphs called twin units, regular sets, co-regular sets, and symmetric sets. We collectively classify them as building blocks of hypergraphs. We show that the presence of these building blocks leaves certain traces in the spectrum and the corresponding eigenspaces of the $\mathfrak{R}_s$-compatible operators associated with the hypergraph. We also show that, conversely, some specific footprints in the spectrum and the corresponding eigenvectors retrace the presence of some of these building blocks in the hypergraph. Besides the spectra of $\mathfrak{R}_s$-compatible operators, building blocks are also interrelated with hypergraph colouring, distances in hypergraphs, hypergraph automorphisms, and random walks on hypergraphs.
description: Title is changed and some new section added. Linear and Multilinear Algebra (2024)
Critical Analysis of Theoretical Estimates for $B$ to Light Meson Form Factors and the $B \to ψK(K^{\ast})$ Data
Creators: name: Aleksan, R.
name: Yaouanc, A. Le
name: Oliver, L.
name: Pène, O.
name: Raynal, J. -C.
Publisher: name: arXiv
Year: 1994
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We point out that current estimates of form factors fail to explain the non-leptonic decays $B \to ψK(K^{\ast})$ and that the combination of data on the semi-leptonic decays $D \to K(K^{\ast})\ell ν$ and on the non-leptonic decays $B \to ψK(K^{\ast})$ (in particular recent po\-la\-ri\-za\-tion data) severely constrain the form (normalization and $q^2$ dependence) of the heavy-to-light meson form factors, if we assume the factorization hypothesis for the latter. From a simultaneous fit to \bpsi and \dk data we find that strict heavy quark limit scaling laws do not hold when going from $D$ to $B$ and must have large corrections that make softer the dependence on the masses. We find that $A_1(q^2)$ should increase slower with \qq than $A_2, V, f_+$. We propose a simple parametrization of these corrections based on a quark model or on an extension of the \hhs laws to the \hl case, complemented with an approximately constant $A_1(q^2)$. We analyze in the light of these data and theoretical input various theoretical approaches (lattice calculations, QCD sum rules, quark models) and point out the origin of the difficulties encountered by most of these schemes. In particular we check the compatibility of several quark models with the heavy quark scaling relations.
description: 48 pages, DAPNIA/SPP/94-24, LPTHE-Orsay 94/15
Peculiar magnetic properties of NC6 and NC12 layered compounds from first principles
Creators: name: Matar, Samir F
Publisher: name: arXiv
Year: 2018
Subjects: subject: Computational Physics (physics.comp-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In the context of characterizing nitrogen poor carbo-nitrides for different applications, identification of an unusual onset of spin polarization of N(p) states has been shown. A full saturation up to 3 Bohr magnetons is demonstrated in extended two-dimensional carbon networks of C6N and C12N hexagonal structures refined based on density functional theory calculations. From establishing the energy-volume equations of states in both compounds assuming spin degenerate (non spin polarized) and spin-polarized configurations, the ground state is identified as ferromagnetic. The variation of magnetization with volume points to strongly ferromagnetic behavior
description: 15 pages; 1 table 6 figures
Analytic understanding and control of dynamical friction
Creators: name: Panizon, Emanuele
name: Santoro, Giuseppe E.
name: Tosatti, Erio
name: Riva, Gabriele
name: Manini, Nicola
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Recent model simulations discovered unexpected non-monotonic features in the wear-free dry phononic friction as a function of the sliding speed. Here we demonstrate that a rather straight- forward application of linear-response theory, appropriate in a regime of weak slider-substrate in- teraction, predicts frictional one-phonon singularities which imply a non-trivial dependence of the dynamical friction force on the slider speed and/or coupling to the substrate. The explicit formula which we derive reproduces very accurately the classical atomistic simulations when available. By modifying the slider-substrate interaction the analytical understanding obtained provides a practical means to tailor and control the speed dependence of friction with substantial freedom.
Additional file 1: of Combination therapy as a potential risk factor for the development of type 2 diabetes in patients with schizophrenia: the GOMAP study
Creators: name: Mamakou, Vasiliki
name: Hackinger, Sophie
name: Zengini, Eleni
name: Tsompanaki, Evgenia
name: Marouli, Eirini
name: Serafetinidis, Ioannis
name: Prins, Bram
name: Karabela, Athina
name: Glezou, Eirini
name: Southam, Lorraine
name: Rayner, Nigel
name: Kuchenbaecker, Karoline
name: Klea Lamnissou
name: Vassilis Kontaxakis
name: Dedoussis, George
name: Fragiskos Gonidakis
name: Thanopoulou, Anastasia
name: Tentolouris, Nikolaos
name: Zeggini, Eleftheria
Publisher: name: figshare
Year: 2018
Subjects: subject: Space Science
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology
subject: Computational Biology

description: Combination therapy as a potential risk factor for the development of type 2 diabetes in patients with schizophrenia: the GOMAP study. Description of survey flow. Diagnostic assessment of T2D and psychiatric disease. Physical assessments. Table S1. T2D occurrence based on simple logistic regression modelling among patients with SCZ. Figure S1. Manhattan plot of association results from a GWAS on T2D in individuals receiving a combination of three or more psychotropic drugs, including one FGA and one SGA. For each of the 9,565,382 analysed variants the –log10 of the p-value is plotted against its chromosomal position. Blue and red lines indicate suggestive (p
Stabilizer quantum codes defined by trace-depending polynomials
Creators: name: Galindo, Carlos
name: Hernando, Fernando
name: Martín-Cruz, Helena
name: Ruano, Diego
Publisher: name: arXiv
Year: 2022
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Quantum error-correcting codes with good parameters can be constructed by evaluating polynomials at the roots of the polynomial trace. In this paper, we propose to evaluate polynomials at the roots of trace-depending polynomials (given by a constant plus the trace of a polynomial) and show that this procedure gives rise to stabilizer quantum error-correcting codes with a wider range of lengths than in other papers involving roots of the trace and with excellent parameters. Namely, we are able to provide new binary records and non-binary codes improving the ones available in the literature.
The Phoenix radio survey: the angular correlation function
Creators: name: Georgakakis, A.
name: Mobasher, B.
name: Cram, L.
name: Hopkins, A.
name: Rowan-Robinson, M.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using the Phoenix radio survey, a homogeneous survey selected at 1.4GHz and covering an area of ~3deg^2, we analyse the clustering of the sub-mJy radio population using angular correlation function analysis. Extensive simulations are carried out to investigate the significance of the estimated angular correlation amplitudes. Our analysis show that for the S_1.4>0.5mJy sub-samples the radio source distribution is anisotropic at the 2$σ$ significance level. Additionally, we estimate upper limits for the angular correlation amplitudes that, despite the large uncertainties, are in good agreement with the amplitude estimates for sources brighter than 1mJy, detected in the FIRST radio survey (Cress {et al.} 1997). Adopting a radio luminosity function and assuming an evolving spatial correlation function of the form ξ(r)=(r/r_{o})^{-γ} (1+z)^{-(3+ε)}, with the evolution parametrised by ε, we find an upper limit for the angular correlation length r_{o}~9h^-1Mpc for S_1.4>0.5mJy and γ=2.1. This agrees well with the value r_{o}~6-8h^-1Mpc estimated from the FIRST radio survey for sources brighter than 1mJy. Additionally, we quantify the characteristics, in terms of areal coverage and limiting flux density, of future deep radio surveys to yield a significant correlation amplitude detection and to explore possible changes of the correlation amplitude with flux density.
description: 13 pages, 11 figures, accepted for publication in A&AS
Rigorous QCD-Potential for the $t\bar{t}$-System at Threshold
Creators: name: Kummer, W.
name: Moedritsch, W.
Publisher: name: arXiv
Year: 1994
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Recent evidence for the top mass in the region of 160 $GeV$ for the first time provides an opportunity to use the full power of relativistic quantum field theoretical methods, available also for weakly bound systems. Because of the large decay width $\G$ of the top quark individual energy-levels in "toponium" will be unobservable. However, the potential for the $t\bar{t}$ system, based on a systematic expansion in powers of the strong coupling constant $\a_s$ can be rigorously derived from QCD and plays a central role in the threshold region. It is essential that the neglect of nonperturbative (confining) effects is fully justified here for the first time to a large accuracy, also just {\it because} of the large $\G$. The different contributions to that potential are computed from real level corrections near the bound state poles of the $t\bar{t}$-system which for $\G \ne 0$ move into the unphysical sheet of the complex energy plane. Thus, in order to obtain the different contributions to that potential we may use the level corrections at that (complex) pole. Within the relevant level shifts we especially emphasize the corrections of order $O(\a_s^4 m_t)$ and numerically comparable ones to that order also from electroweak interactions which may become important as well.
description: 36 pages (mailer uncorrupted version), TUW-94-14
Consequences of a Two-Time Relativistic Bohmian Model
Creators: name: Raguní, Giuseppe
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Physics (physics.gen-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Effects of a Bohmian type quantum-relativistic theory are explored. The model is obtained by introducing a new and independent time parameter whose relative motions are not directly observable and cause the quantum uncertainties of the physical observables. Unlike the usual de Broglie-Bohm theories, the Quantum Potential does not affect directly the observable motion but determines the one that is relative to the new time variable. It turns out that the Zitterbewegung of a free particle, of which a more general law is obtained, is the key example of these hidden motions and, through it, it seems possible to give physical reality to the Feynman's paths. A relativistic revision of the uncertainty principle also derives from the theory.
description: 11 pag, 2 figs
title: ADCO, Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome V, Cart. 189 (11 H 74), 316 folios, f. 0142v
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2012
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: cartulaire

description: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome V, Archives départementales de la Côte-d'Or, Cart. 189 (11 H 74), 316 folios, f. 0142v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome V, Archives départementales de la Côte-d'Or, Cart. 189 (11 H 74), 316 folios, f. 0142v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Θεωρητικές προσεγγίσεις, Ι: Θέατρο, επιτέλεση και ιστορία. Τόποι μιας φλεγόμενης χρονικότητας
Creators: name: Χάγερ, Φίλιππος
Publisher: name: Σκηνή
Year: 2021
Subjects: σπουδές επιτέλεσης; ιστορία; μνήμη; χρονικότητα; ενσώματο ρεπερτόριο; Δεκέμβρης 2008; Benjamin; Nova Melancholia

description: Στο παρόν κείμενο ανιχνεύω τη χρονικότητα της ιστορίας σε συνάρτηση με μια επιτελεστική τοπογραφία που αποτελείται από θεατρικές, κοινωνικές, πολιτισμικές και πολιτικές πρακτικές, και αναπτύσσω μερικές σκέψεις για τη σημασία της στροφής προς τη μελέτη της σχέσης μεταξύ ιστορίας και επιτέλεσης. Αφετηρίες για αυτή τη μελέτη είναι η συζήτηση περί τέλους της ιστορίας, όπως διαμορφώθηκε στον απόηχο των επιχειρημάτων του Francis Fukuyama, οι προτάσεις των θεωρητικών των σπουδών επιτέλεσης –με ιδιαίτερη έμφαση στις ιδέες της Diana Taylor και της MauryaWickstrom– και, τέλος, κάποια γεγονότα από το πρόσφατο ελληνικό παρελθόν: η περφόρμανς Walter Benjamin: θέσεις για τη φιλοσοφία της Ιστορίας (Nova Melancholia, Bios, 2009) και μια σειρά παρεμβάσεων σε θεατρικές παραστάσεις που έλαβαν χώρα κατά τη διάρκεια του Δεκεμβρίου του 2008 και ο δημόσιος διάλογος γύρω από αυτές. Καθώς στη σκέψη μου και στο θεωρητικό πλαίσιο των σπουδών επιτέλεσης στο οποίο αυτή εντάσσεται η επιτέλεση είναι ταυτόχρονα αντικείμενο ανάλυσης και μεθοδολογική προσέγγιση, τα παραδείγματα είναι ταυτόχρονα οδηγοί μου, αναλυτικά εργαλεία και τόποι πάνω στους οποίους χτίζονται τα επιχειρήματά μου.
description: Σκηνή, No 12 (2020)
Εξυπνάδα, χιούμορ, επικαιρότης και γλυκεία μουσική. Το θέατρο στη Θεσσαλονίκη την περίοδο της Κατοχής μέσα από τον δωσιλογικό τύπο. Μια πρώτη καταγραφή και αποτίμηση
Creators: name: Αγγελόπουλος, Τάσος
Publisher: name: Σκηνή
Year: 2021
Subjects: Θεσσαλονίκη; Κατοχή (1941-1944); θεατρική δραστηριότητα; μουσικό θέατρο; παραστασιογραφία; θέατρο-ιστορία

description: Το κείμενο βασίζεται στην καταγραφή και κριτική αποτίμηση της θεατρικής δραστηριότητας στη Θεσσαλονίκη την περίοδο της Κατοχής (1941-1944), όπως παρουσιάζεται μέσα από τις σελίδες του δωσιλογικού τύπου. Από εδώ η έρευνα αντλεί στοιχεία για τη μεγάλη άνθηση του μουσικού θεάτρου και της επιθεώρησης στην πόλη, για την, για πρώτη και τελευταία φορά, δραστηριοποίηση τόσων πολλών ντόπιων συγγραφέων, για το κατοχικό Κρατικό Θέατρο, αλλά και για την απόπειρα καλλιέργειας, διαμέσου του θεάτρου, μιας επίφασης κανονικότητας υπό τον ναζιστικό ζυγό. Το άρθρο συνοδεύεται από παράρτημα παραστασιογραφίας στην πόλη της Θεσσαλονίκης κατά τη διάρκεια της Κατοχής.
description: Σκηνή, No 12 (2020)
MOESM4 of Endogenous gene selection for relative quantification PCR and IL6 transcript levels in the PBMCâ s of severe and non-severe dengue cases
Creators: name: Vigneshwari Kumar
name: Cleetus Cherupanakkal
name: Catherine, Minna
name: Tamilarasu Kadhiravan
name: Narayanan Parameswaran
name: Soundravally Rajendiran
name: Agieshkumar Pillai
Publisher: name: figshare
Year: 2018
Subjects: subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 4: Figure S3. Gel image of GAPDH.
title: ADCO, Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome VIII, Cart. 192 (11 H 77), 295 folios, f. 0149v
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2012
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome VIII, Archives départementales de la Côte-d'Or, Cart. 192 (11 H 77), 295 folios, f. 0149v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome VIII, Archives départementales de la Côte-d'Or, Cart. 192 (11 H 77), 295 folios, f. 0149v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Plane sections of Fermat surfaces over finite fields
Creators: name: Borges, H.
name: Cook, G.
name: Coutinho, M.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: In this paper, we characterize all curves over $\mathbb{F}_q$ arising from a plane section $$ \mathcal{P} : X_3-e_0X_0-e_1X_1-e_2X_2 = 0 $$ of the Fermat surface $$ \mathcal{S} : X_0^d + X_1^d + X_2^d +X_3^d = 0, $$ where $q = p^{h} = 2d+1$ is a prime power, $p >3$, and $e_0, e_1, e_2 \in \mathbb{F}_q$. In particular, we will prove that any nonlinear component $\mathcal{G} \subseteq \mathcal{P} \cap \mathcal{S} $ is a smooth classical curve of degree $n\leqslant d$ attaining the Stöhr-Voloch bound $$ \# \mathcal{G}(\mathbb{F}_q) \leqslant \frac{1}{2} n(n+q-1) - \frac{1}{2} i(n-2), $$ with $i \in \{0,1,2,3,n,3n\}$.
Θεωρητικές προσεγγίσεις, ΙΙ: Τέσσερις θέσεις για τη φωνή: έρευνα και καλλιτεχνική πρακτική «μετά» τις διεπιστημονικές φωνητικές σπουδές
Creators: name: Θωμαΐδης, Κωνσταντίνος
Publisher: name: Σκηνή
Year: 2021
Subjects: φωνή; λογοκεντρισμός; φωνητικό ενδιάμεσο; πρόσληψη; διατομές ταυτότητας; λόγος; διεπιστημονικές φωνητικές σπουδές

description: Στη διεθνή βιβλιογραφία και σκηνική πράξη η φωνή επανέρχεται ως πρόβλημα και ερωτηματικό. Το άρθρο εντοπίζει απόλυτες προϋποθέσεις (κατά Collingwood) που έχουν καθορίσει την αντιμετώπιση και παραστασιακή πραγμάτωση της φωνής, και αντιπροτείνει τέσσερις θέσεις για την επαναδιαπραγμάτευσή της: την απομάκρυνση από τη λογοκεντρική μεταφυσική· τη στροφή στο υλικό σώμα που παράγει τη φωνή και τις ταυτοτικές διατομές του· την επικέντρωση στην περιοχή του φωνητικού ενδιάμεσου· και την προσέγγιση της φωνής ως συμβάντος, διεργασίας και πολλαπλότητας. Η επιστημολογική τακτική του άρθρου είναι η παράλληλη συζήτηση τάσεων στις διεπιστημονικές φωνητικές σπουδές και παραδειγμάτων από μουσικές, θεατρικές και ηχητικές περφόρμανς, καθώς και συστημάτων διαπαιδαγώγησης, με στόχο την κατάδειξη της ενσώματης, υλικά απολαύσιμης, διυποκειμενικής και πολλαπλά κατασκευασμένης φωνής ως πεδίου μη τετελεσμένου αλλά πρόσφορου προς περαιτέρω διερεύνηση. Ο τρόπος γραφής είναι έμφωνος: η λίστα-μανιφέστο, πρωτοπρόσωπα παραθέματα, υπερσύνδεσμοι, άμεσες ερωτήσεις και μία playlist αξιοποιούνται ως ευκαιρίες αποκατάστασης της φωνής στον χώρο της επιστημονικής δημοσίευσης. Συνολικά, το άρθρο διαπιστώνει πως η επανεξέταση της φωνής με τους παραπάνω τρόπους διαμορφώνει ευκαιρίες ρήξεων με ό,τι έχει καθιερωθεί ως (σκηνικά ή όχι) φωνητικά αυτονόητο.
description: Σκηνή, No 12 (2020)
Η ιδεολογική χρήση του Καραγκιόζη στην κριτική διαμάχη περί λογοτεχνίας των Π. Σπανδωνίδη και Π. Ωρολογά στη Θεσσαλονίκη (1938)
Creators: name: Κουτσογιάννης, Θανάσης
Publisher: name: Σκηνή
Year: 2021
Subjects: Σπανδωνίδης; Ωρολογάς; λογοτεχνία; Καραγκιόζης; Μεσοπόλεμος

description: Το άρθρο αναφέρεται στην αντιμετώπιση του Καραγκιόζη από δύο κριτικούς της Θεσσαλονίκης κατά τα τελευταία χρόνια του Μεσοπολέμου. Οι Πέτρος Σπανδωνίδης και Πέτρος Ωρολογάς, δύο εξέχοντες κριτικοί της πόλης, διασταυρώνοντας τα ξίφη τους για τη λογοτεχνία επεκτείνονται και στον Καραγκιόζη, ο οποίος, χωρίς να βρίσκεται στον πυρήνα της θεωρητικής τους διαμάχης, χρησιμοποιείται, μέσα από τη διαφορετική ιδεολογική οπτική γωνία του καθενός, ως αρνητικό παράδειγμα της πνευματικής ζωής του τόπου. Ο Καραγκιόζης κρίνεται με ιδεολογικά και όχι θεατρικά κριτήρια και απορρίπτεται ως αξιόλογη θεατρική περσόνα και ως κοινωνιότυπος, γιατί δεν συνάδει με το αισθητικό και ιδεολογικό πρότυπο που ο καθένας τους πρεσβεύει. Οι θέσεις που διατυπώνουν για τον Καραγκιόζη αποτυπώνουν παράλληλα και το γενικότερο πνευματικό κλίμα και τις πνευματικές αντιπαραθέσεις της εποχής στην πόλη.
description: Σκηνή, No 12 (2020)
Using Multivariate Linear Regression for Biochemical Oxygen Demand Prediction in Waste Water
Creators: name: Mutai, Isaiah K.
name: Van Laerhoven, Kristof
name: Karuri, Nancy W.
name: Tewo, Robert K.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Other Quantitative Biology (q-bio.OT)
subject: Machine Learning (cs.LG)
subject: Applications (stat.AP)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: There exist opportunities for Multivariate Linear Regression (MLR) in the prediction of Biochemical Oxygen Demand (BOD) in waste water, using the diverse water quality parameters as the input variables. The goal of this work is to examine the capability of MLR in prediction of BOD in waste water through four input variables: Dissolved Oxygen (DO), Nitrogen, Fecal Coliform and Total Coliform. The four input variables have higher correlation strength to BOD out of the seven parameters examined for the strength of correlation. Machine Learning (ML) was done with both 80% and 90% of the data as the training set and 20% and 10% as the test set respectively. MLR performance was evaluated through the coefficient of correlation (r), Root Mean Square Error (RMSE) and the percentage accuracy in prediction of BOD. The performance indices for the input variables of Dissolved Oxygen, Nitrogen, Fecal Coliform and Total Coliform in prediction of BOD are: RMSE=6.77mg/L, r=0.60 and accuracy 70.3% for training dataset of 80% and RMSE=6.74mg/L, r=0.60 and accuracy of 87.5% for training set of 90% of the dataset. It was found that increasing the percentage of the training set above 80% of the dataset improved the accuracy of the model only but did not have a significant impact on the prediction capacity of the model. The results showed that MLR model could be successfully employed in the estimation of BOD in waste water using appropriately selected input parameters.
A 450-day light curve of the radio afterglow of GRB 970508: Fireball calorimetry
Creators: name: Frail, D. A.
name: Waxman, E.
name: Kulkarni, S. R.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report on the results of an extensive monitoring campaign of the radio afterglow of GRB 970508, lasting 450 days after the burst. The spectral and temporal radio behavior indicate that the fireball has undergone a transition to sub-relativistic expansion at t~100 days. This allows us to perform "calorimetry" of the explosion. The derived total energy, ~5\times 10^{50} erg, is well below the ~5\times 10^{51} erg inferred under the assumption of spherical symmetry from gamma-ray and early afterglow observations. A natural consequence of this result, which can also account for deviations at t<100 days from the spherical relativistic fireball model predictions, is that the fireball was initially a wide-angle jet of opening angle ~30 degrees. Our analysis also allows to determine the energy fractions carried by electrons and magnetic field, and the density of ambient medium surrounding the fireball. We find that during the sub-relativistic expansion electrons and magnetic field are close to equipartition, and that the density of the ambient medium is ~1/cm^3. The inferred density rules out the possibility that the fireball expands into a strongly non-uniform medium, as would be expected, e.g., in the case of a massive star progenitor.
description: 33 pages, including 7 figures, submitted to ApJ
MOESM3 of Endogenous gene selection for relative quantification PCR and IL6 transcript levels in the PBMCâ s of severe and non-severe dengue cases
Creators: name: Vigneshwari Kumar
name: Cleetus Cherupanakkal
name: Catherine, Minna
name: Tamilarasu Kadhiravan
name: Narayanan Parameswaran
name: Soundravally Rajendiran
name: Agieshkumar Pillai
Publisher: name: figshare
Year: 2018
Subjects: subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 3: Figure S2. Gel image of COX and IL-6.
Mechanisms of pyroelectricity in three- and two-dimensional materials
Creators: name: Liu, Jian
name: Pantelides, Sokrates T.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Pyroelectricity is a very promising phenomenon in three- and two-dimensional (2D) materials, but first-principles calculations have not so far been used to elucidate the underlying mechanisms. Here we report density-functional theory (DFT) calculations based on the Born-Szigeti theory of pyroelectricity, by combining fundamental thermodynamics and the modern theory of polarization. We find satisfactory agreement with experimental data in the case of bulk benchmark materials, showing that the so-called electron-phonon renormalization, whose contribution has been viewed as negligible, is important. We predict out-of-plane pyroelectricity in the recently synthesized Janus MoSSe monolayer and in-plane pyroelectricity in the group-IV monochalcogenide GeS monolayer. It is notable that the so-called secondary pyroelectricity is found to be dominant in GeS monolayer. The present work opens a theoretical route to study the pyroelectric effect using DFT and provides a valuable tool in the search for new candidates for pyroelectric applications.
Poster : Improving Text Preprocessing For Student Complaint Document Classification Using Sastrawi
Creators: name: Rosid, Mochamad Alfan
name: Fitriani, Arif Senja
name: Astutik, Ika Ratna Indra
name: Mulloh, Nasrudin Iqrok
name: Gozali, Haris Ahmad
Publisher: name: Zenodo
Year: 2019
Subjects: Sastrawi
Preprocessing
Student

description: This material presented in 1st ICESE 2019, Kuala Lumpur, Malaysia
Giant Dipole Resonance Parameters of Ground-State Photoabsorption: Experimental Values with Uncertainties
Creators: name: Plujko, V. A.
name: Gorbachenko, O. M.
name: Capote, R.
name: Dimitriou, P.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Updated values and corresponding uncertainties of Isovector Giant Dipole Resonance (GDR) parameters which are obtained by the least-squares fitting of theoretical photoabsorption cross sections to experimental data are presented. The theoretical photoabsorption cross sections are taken as a sum of the components corresponding to the excitation of the GDR and quasideuteron photodisintegration. The current compilation is an extension and improvement of the earlier compilations of Lorentzian parameters for ground-state photoneutron and photoabsorption cross sections and covers experimental data made available up to June 2017.
description: 69 pages, 162 figures; accepted for publication in "Atomic Data and Nuclear Data Tables"
Θεωρητικές προσεγγίσεις, ΙΙΙ: Οι ζωές των «Άλλων»: Το θέατρο της επισφάλειας
Creators: name: Φράγκου, Μαρίσια
Publisher: name: Σκηνή
Year: 2021
Subjects: επισφάλεια; βιοπολιτική; θέατρο της επισφάλειας; συν-αισθηματική στροφή; ευάλωτη ζωή; κοινωνικό θέατρο; τριτοβάθμια εκπαίδευση

description: Το παρόν άρθρο προσεγγίζει την επισφάλεια ως έννοια με πολλαπλές διαστάσεις, η οποία αποτυπώνει τις πολύπλοκες σχέσεις ταυτότητας στον σύγχρονο κόσμο. Με αφετηρία τη φεμινιστική θεώρηση της επισφάλειας από τις Judith Butler και Lauren Berland, το άρθρο προτείνει τον όρο «θέατρο της επισφάλειας» για να μιλήσει για τη σύγχρονη αναπαράσταση της ευάλωτης ζωής στο πλαίσιο του επονομαζόμενου «κοινωνικού θεάτρου» και ερευνά τις δυνατότητες που προσφέρει ως εργαλείο στη μελέτη και ανάλυση του θεατρικού κειμένου και της παράστασης. Το άρθρο κλείνει με τη σύντομη καταγραφή των δυνατοτήτων που προσφέρει η επισφάλεια στο πλαίσιο των σύγχρονων πανεπιστημιακών σπουδών ως εργαλείο διδασκαλίας και διαμόρφωσης των φοιτητών ως αυριανών πολιτών.
description: Σκηνή, No 12 (2020)
Additional file 5: of Dissection and fine-mapping of two QTL for grain size linked in a 460-kb region on chromosome 1 of rice
Creators: name: Dong, Qing
name: Zhang, Zhen-Hua
name: Wang, Lin-Lin
name: Zhu, Yu-Jun
name: Ye-Yang Fan
name: Tong-Min Mou
name: Liang-Yong Ma
name: Zhuang, Jie-Yun
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Plant Biology
subject: Computational Biology

description: Figure S4. Transcript levels of annotated genes in the qGS1-35.2 region. The experiment was performed using panicles of 1 cm (P1) and 8 cm (P8) collected from NILZS97 and NILMY46 for qGS1-35.2. The expression levels were normalized to Actin1 and related to P1 of NILZS97. Data are presented in mean ± s.e.m. (n = 3). A Student’s t-test was used to generate the P values. (PDF 2579 kb)
Neutralino Mass Bounds in the Next-To-Minimal Supersymmetric Standard Model
Creators: name: Franke, F.
name: Fraas, H.
name: Bartl, A.
Publisher: name: arXiv
Year: 1994
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We analyze the experimental data from the search for new particles at LEP 100 and obtain mass bounds for the neutralinos of the Next--To--Minimal Supersymmetric Standard Model (NMSSM). We find that for $\tanβ\gsim 5.5$ a massless neutralino is still possible, while the lower mass bound for the second lightest neutralino corresponds approximately to that for the lightest neutralino in the Minimal Supersymmetric Standard Model (MSSM).
description: 9 pages LATEX, 4 figures available upon request to fabian@physik.uni-wuerzburg.de, UWITP-94/2, UWThPh-1994-17
Ανταπόκριση από τη Σερβία: Το Μάστερ Εφαρμοσμένου Θεάτρου στην Ακαδημία Τεχνών του Νόβι Σαντ
Creators: name: Μουρατίδου, Χριστίνα
Publisher: name: Σκηνή
Year: 2021
Subjects: εφαρμοσμένο θέατρο; Σερβία; Ακαδημία Τεχνών; Νόβι Σαντ; μεταπτυχιακό πρόγραμμα

description: Το Μεταπτυχιακό Πρόγραμμα Εφαρμοσμένου Θεάτρου της Ακαδημίας Τεχνών του Νόβι Σαντ αποτελεί το μοναδικό πανεπιστημιακό τμήμα Εφαρμοσμένου Θεάτρου στη Σερβία και από τα ελάχιστα στα Βαλκάνια, και δημιουργήθηκε εκ του μηδενός από την απόφοιτη του Τμήματος Θεάτρου Χριστίνα Μουρατίδου. Η ίδια γράφει στο παρόν άρθρο για ό,τι έχει επιτευχθεί στα τέσσερα χρόνια της λειτουργίας του και παρουσιάζει εν περιλήψει ορισμένα προγράμματα που σχεδιάστηκαν και εκτελέστηκαν από τους φοιτητές.
description: Σκηνή, No 12 (2020)
Bounds on photon scattering
Creators: name: Häring, Kelian
name: Hebbar, Aditya
name: Karateev, Denis
name: Meineri, Marco
name: Penedones, João
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study 2-to-2 scattering amplitudes of massless spin one particles in $d=4$ space-time dimensions, like real world photons. We define a set of non-perturbative observables (Wilson coefficients) which describe these amplitudes at low energies. We use full non-linear unitarity to construct various novel numerical bounds on these observables. For completeness, we also rederive some bounds using positivity only. We discover and explain why some of these Wilson coefficients cannot be bounded.
description: 39 pages + appendices, 20 figures
Geometric Aspects and Testing of the Galactic Center Distance Determination from Spiral Arm Segments
Creators: name: Nikiforov, I. I.
name: Veselova, A. V.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We consider the problem of determining the geometric parameters of a Galactic spiral arm from its segment by including the distance to the spiral pole, i.e., the distance to the Galactic center ($R_0$). The question about the number of points belonging to one turn of a logarithmic spiral and defining this spiral as a geometric figure has been investigated numerically and analytically by assuming the direction to the spiral pole (to the Galactic center) to be known. Based on the results obtained, in an effort to test the new approach, we have constructed a simplified method of solving the problem that consists in finding the median of the values for each parameter from all possible triplets of objects in the spiral arm segment satisfying the condition for the angular distance between objects. Applying the method to the data on the spatial distribution of masers in the Perseus and Scutum arms (the catalogue by Reid et al. (2014)) has led to an estimate of $R_0 = 8.8 \pm 0.5$ kpc. The parameters of five spiral arm segments have been determined from masers of the same catalogue. We have confirmed the difference between the spiral arms in pitch angle. The pitch angles of the arms revealed by masers are shown to generally correlate with $R_0$ in the sense that an increase in $R_0$ leads to a growth in the absolute values of the pitch angles.
description: 32 pages, 15 figures, 7 tables. Published in Astronomy Letters (AL)
New curtachalasin from the Xylaria sp. DO 1801
Creators: name: Wang, Jia
name: Sang, Yining
name: Tang, Siqi
name: Zhang, Peng
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Cancer
subject: Plant Biology

description: One new cytochalasin, named curtachalasin Q (1), together with 8 known cytochalasins were isolated from the ethyl acetate extract of the Xylaria sp. DO1801. The structure of the new compound was elucidated on the basis of IR, UV, HR-ESI-MS, NMR spectra and X-ray diffraction. Compound 1 and 2 were not cytotoxic (IC50>50uM) against four tumour cell lines (SW-1990, ASPC-1, HepG2 and Hep3B).
Topological Transitions with an Imaginary Aubry-Andre-Harper Potential
Creators: name: Zhu, Bofeng
name: Lang, Li-Jun
name: Wang, Qiang
name: Wang, Qi Jie
name: Chong, Y. D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We study one-dimensional lattices with imaginary-valued Aubry-Andre-Harper (AAH) potentials. Such lattices can host edge states with purely imaginary eigenenergies, which differ from the edge states of the Hermitian AAH model and are stabilized by a non-Hermitian particle-hole symmetry. The edge states arise when the period of the imaginary potential is a multiple of four lattice constants. They are topological in origin, and can manifest on domain walls between lattices with different modulation periods and phases, as predicted by a bulk polarization invariant. Interestingly, the edge states persist and remain localized even if the real line gap closes. These features can be used in laser arrays to select topological lasing modes under spatially extended pumping.
Nonribbon 2-links all of whose components are trivial knots and some of whose band-sums are nonribbon knots
Creators: name: Ogasa, Eiji
Publisher: name: arXiv
Year: 2018
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: There is a nonribbon 2-link all of whose components are trivial 2-knots and one of whose band-sums is a nonribbon 2-knot.
description: 15 pages, 7 figures