cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Transmission resonances in above-barrier reflection of ultra-cold atoms by the Rosen-Morse potential
Creators: name: Ishkhanyan, H. A.
name: Krainov, V. P.
name: Ishkhanyan, A. M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Quantum above-barrier reflection of ultra-cold atoms by the Rosen-Morse potential is analytically considered within the mean field Gross-Pitaevskii approximation. Reformulating the problem of reflectionless transmission as a quasi-linear eigenvalue problem for the potential depth, an approximation for the specific height of the potential that supports reflectionless transmission of the incoming matter wave is derived via modification of the Rayleigh-Schroedinger time-independent perturbation theory. The approximation provides highly accurate description of the resonance position for all the resonance orders if the nonlinearity parameter is small compared with the incoming particles chemical potential. Notably, the result for the first transmission resonance turns out to be exact, i.e., the derived formula for the resonant potential height gives the exact value of the first nonlinear resonances position for all the allowed variation range of the involved parameters, the nonlinearity parameter and chemical potential. This has been shown by constructing the exact solution of the problem for the first resonance. Furthermore, the presented approximation reveals that, in contrast to the linear case, in the nonlinear case reflectionless transmission may occur not only for potential wells but also for potential barriers with positive potential height. It also shows that the nonlinear shift of the resonance position from the position of the corresponding linear resonance is approximately described as a linear function of the resonance order. Finally, a compact (yet, highly accurate) analytic formula for the n-th order resonance position is constructed via combination of analytical and numerical methods.
Herschel è andato in pensione
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2013

E' arrivato il momento degli addii nella sala di controllo dell'ESA, in cui ieri tecnici e ricercatori hanno inviato l'ultimo comando all'osservatorio orbitante dell'ESA, lanciato nel maggio del 2009 e arrivato alla fine della sua missione lo scorso aprile. Il satellite viene ora spostato su un'orbita eliocentrica lontano da noi.
Taglia media per i buchi neri primordiali
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2013

Sarebbero i buchi neri con masse dell'ordine di centomila volte quella del Sole, formatisi quando l'Universo aveva meno di 300 milioni di anni e direttamente dal collasso dei primi aloni di materia primordiale, le sorgenti responsabili delle fluttuazioni di radiazione infrarossa di fondo registrate dai satelliti Spitzer e AKARI. Questi i risultati di uno studio a cui ha partecipato anche Ruben Salvaterra dell'INAF.
Star Trek: cosa cerchiamo lassù?
Creators: Silvia Casu
Publisher: name: Media Inaf
Year: 2013

Organizzati da Sardegna Ricerca e Sissa Medialab, si sono conclusi sabato i Café Scientifici in programma nella Mediateca del Mediterraneo. Ultimo appuntamento con il Direttore dell'INAF-Osservatorio Astronomico di Cagliari, Andrea Possenti, la scrittrice Simona Cerrato e il curatore scientifico del Planetario di Roma, Stefano Giovanardi
Separation of energy scales in undoped YbRh$_2$Si$_2$ under hydrostatic pressure
Creators: name: Tokiwa, Yoshi
name: Gegenwart, Philipp
name: Geibel, Christoph
name: Steglich, Frank
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The temperature ($T$)-magnetic field ($H$) phase diagram of YbRh$_2$Si$_2$ in the vicinity of its quantum critical point is investigated by low-$T$ magnetization measurements. Our analysis reveals that the energy scale $T^\star(H)$, previously related to the Kondo breakdown and terminating at 0.06 T for $T\to 0$, remains unchanged under pressure, whereas the antiferromagnetic critical field increases from 0.06 T ($p=0$) to 0.29 T ($p=1.28$ GPa), resulting in a crossing of $T_N(H)$ and $T^\star(H)$. Our results are very similar to those on Yb(Rh$_{1-x}$Co$_x$)$_2$Si$_2$, proving that the Co-induced disorder can not be the reason for the detachment of both scales under chemical pressure.
Action of the Johnson-Torelli group on Representation Varieties
Creators: name: Goldman, William M.
name: Xia, Eugene Z.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 22D40, 57M05

description: Let Σbe a compact orientable surface with genus g and n boundary components B = (B_1,..., B_n). Let c = (c_1,...,c_n) in [-2,2]^n. Then the mapping class group MCG of Σacts on the relative SU(2)-character variety X_c := Hom_C(π, SU(2))/SU(2), comprising conjugacy classes of representations ρwith tr(ρ(B_i)) = c_i. This action preserves a symplectic structure on the smooth part of X_c, and the corresponding measure is finite. Suppose g = 1 and n = 2. Let J be the subgroup of MCG generated by Dehn twists along null homologous simple loops in Σ. Then the action of J on X_c is ergodic for almost all c.
description: This new version includes a ribbon graph for clarity and corrects some typographic errors and a few misstatements between Remark 3.1 and Lemma 3.2 and between Remark 3.7 and Lemma 3.8 in the previous version
Luce X dai buchi neri
Creators: Antonio Marro
Publisher: name: Media Inaf
Year: 2013

Una nuova scoperta conferma i sospetti degli astronomi su come i buchi neri di massa stellare producano la loro radiazione a più alta energia. I raggi X soft prodotti dal riscaldamento dei gas nel disco di accrescimento vengono "amplificati" da un corona che ruota a velocità prossime a quella della luce.
The optical structure of the starburst galaxy M82 - I: Dynamics of the disk and inner-wind
Creators: name: Westmoquette, M. S.
name: Smith, L. J.
name: Gallagher, J. S.
name: Trancho, G.
name: Bastian, N.
name: Konstantopoulos, I. S.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: [Abridged] We present Gemini-N GMOS-IFU observations of the central starburst clumps and inner wind of M82, together with WIYN DensePak IFU observations of the inner 2x0.9kpc of the disk. These cover the emission lines of H$α$, [NII], [SII], and [SIII]. We were able to accurately decompose the emission line profiles into multiple narrow components (FWHM~30-130kms) superimposed on a broad (FWHM 150-350kms) feature. This paper is the first of a series examining the optical structure of M82's disk and inner wind; here we focus on the ionized gaseous and stellar dynamics and present maps of the relevant emission line properties. Our observations show that ionized gas in the starburst core of M82 is dynamically complex. Localised line splitting of up to 100kms in the narrow component is associated with expanding shells of compressed, cool, photoionized gas. We have been able to associate some of this inner-wind gas with a distinct outflow channel characterised by its dynamics and gas density patterns, and we discuss the consequences of this discovery in terms of the developing wind outflow. The broad optical emission line component is observed to become increasingly important moving outward along the outflow channel, and in general with increasing height above/below the plane. Following our recent work on the origins of this component, we associate it with turbulent gas in wind-clump interface layers and hence sites of mass loading, meaning that the turbulent mixing of cooler gas into the outflowing hot gas must become increasingly important with height, and provides powerful direct evidence for the existence of mass-loading over a large, spatially extended area.
description: 36 pages, 21 figures, accepted for publication in ApJ
L’anello D a stelle e strisce
Creators: Livia Giacomini
Publisher: name: Media Inaf
Year: 2013

Come riuscire a fotografare il fioco anello D di Saturno? La sonda Cassini ci è riuscita con questa immagine scattata ad Aprile, realizzata mentre la sonda e il pianeta ruotavano in sincronia l'uno con l'altra. Le righe lasciate dalle stelle rivelano il lungo tempo di esposizione.
Generalized Bessel function of Type D
Creators: name: Demni, Nizar
Publisher: name: arXiv
Year: 2008
Subjects: subject: Probability (math.PR)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics

description: We write down the generalized Bessel function associated with the root system of type $D$ by means of multivariate hypergeometric series. Our hint comes from the particular case of the Brownian motion in the Weyl chamber of type $D$.
description: This is a contribution to the Special Issue on Dunkl Operators and Related Topics, published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/
Troppo piccolo e troppo distante
Creators: Nicola Nosengo
Publisher: name: Media Inaf
Year: 2013

Attorno alla stella TW Hydrae, una vicina di casa del Sole, un gruppo di astronomi trova indizi di un pianeta molto piccolo e lontanissimo dalla stella. Gli attuali modelli di formazione planetaria non spiegano come abbia potuto formarsi.
Riemann-Hilbert problem for Hurwitz Frobenius manifolds: regular singularities
Creators: name: Korotkin, D.
name: Shramchenko, V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 35Q15, 53D45

description: In this paper we study the Fuchsian Riemann-Hilbert (inverse monodromy) problem corresponding to Frobenius structures on Hurwitz spaces. We find a solution to this Riemann-Hilbert problem in terms of integrals of certain meromorphic differentials over a basis of an appropriate relative homology space, study the corresponding monodromy group and compute the monodromy matrices explicitly for various special cases.
description: final version
Cinque anni di Fermi
Creators: Patrizia Caraveo
Publisher: name: Media Inaf
Year: 2013

Il satellite della NASA Fermi, a cui partecipano ASI, INAF e INFN, compie cinque anni di operatività, con numeri che la dicono lunga sulle sue funzionalità e su quelle di uno strumento italiano, il LAT. In questo editoriale Patrizia Caraveo, Responsabile della missione Fermi per INAF, fa il punto della situazione
title: Matthew Levering / Marcus Plested (Hg.): The Oxford Handbook of the Reception of Aquinas
Creators: name: Knorn, Bernhard
Publisher: name: Zeitschrift für Theologie und Philosophie
Year: 2021
Subjects: subject: FOS: Philosophy, ethics and religion
valueUri: http://www.oecd.org/science/inno/38235147.pdf

description: Zeitschrift für Theologie und Philosophie, 143 (2021) 4, 639-642
title: ÐÐ·Ð°Ð¸Ð¼Ð¾Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ñ Ð¸ ÐÑÐ¿Ð°Ð½Ð¸Ð¸ Ð½Ð° ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð¼ ÑÑÐ°Ð¿Ðµ
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð¢Ð°Ð»ÑÐ³ÑÐµÐ½ , ÐÐ½Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð°
ÐÑÐ¿Ð°Ð½Ð¸Ñ
Ð¸ÑÑÐ¾ÑÐ¸Ñ
Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½ÑÐµ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ð¹ Ð¼ÐµÐ¶Ð´Ñ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð¾Ð¹ Ð¸ ÐÑÐ¿Ð°Ð½Ð¸ÐµÐ¹ Ð½Ð° ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð¼ ÑÑÐ°Ð¿Ðµ. Ð ÐºÐ°ÑÐµÑÑÐ²Ðµ Ð¾Ð±ÑÐµÐºÑÐ° Ð´Ð¸Ð¿Ð»Ð¾Ð¼Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð²ÑÑÑÑÐ¿Ð°ÑÑ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ Ð´Ð²ÑÑ ÑÑÑÐ°Ð½ - ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ñ Ð¸ ÐÑÐ¿Ð°Ð½Ð¸Ð¸ - Ð² Ð´Ð°Ð½Ð½ÑÐ¹ Ð¿ÐµÑÐ¸Ð¾Ð´. ÐÑÐµÐ´Ð¼ÐµÑ ÑÐ°Ð±Ð¾ÑÑ Ð·Ð°ÐºÐ»ÑÑÐ°ÐµÑÑÑ Ð² Ð¿Ð¾Ð´ÑÐ¾Ð±Ð½Ð¾Ð¼ Ð°Ð½Ð°Ð»Ð¸Ð·Ðµ Ð¸ÑÑÐ¾ÑÐ¸ÑÐµÑÐºÐ¸Ñ, ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð¸ Ð¿Ð¾Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ°ÑÑÐµÐ¹ Ð´Ð°Ð½Ð½ÑÑ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ð¹. Ð¥ÑÐ¾Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð¾Ð³ÑÐ°Ð½Ð¸ÑÐµÐ½Ð° ÑÐ»ÐµÐ´ÑÑÑÐ¸Ð¼Ð¸ ÑÐ°Ð¼ÐºÐ°Ð¼Ð¸: Ð½Ð°ÑÐ°Ð»Ð¾ XVI Ð²ÐµÐºÐ° Ð² Ð¼Ð¾Ð¼ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÐµÑÐ²ÑÑ ÐºÐ¾Ð»Ð¾Ð½Ð¸Ð¹ Ð¸ Ð¿Ð¾ Ð½Ð°ÑÑÐ¾ÑÑÐµÐµ Ð²ÑÐµÐ¼Ñ. Ð¦ÐµÐ»Ñ Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð·Ð°ÐºÐ»ÑÑÐ°ÐµÑÑÑ Ð² Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¸ Ð²Ð·Ð°Ð¸Ð¼Ð½ÑÑ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ð¹ Ð¼ÐµÐ¶Ð´Ñ ÐÑÐ¿Ð°Ð½Ð¸ÐµÐ¹ Ð¸ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð¾Ð¹ Ñ Ð½Ð°ÑÐ°Ð»Ð° ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾Ð»Ð¾Ð½Ð¸Ð¹ Ð½Ð° ÑÐµÑÑÐ¸ÑÐ¾ÑÐ¸Ð¸ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð¹ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ñ Ð¸ Ð´Ð¾ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÑ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ð¹ Ð½Ð° Ð¼Ð¸ÑÐ¾Ð²ÑÑ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð¸ Ð¿Ð¾Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð»Ð°ÑÑÐ¾ÑÐ¼Ð°Ñ. Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° Ð¾Ð·Ð½Ð°ÐºÐ¾Ð¼Ð¸ÑÐµÐ»ÑÐ½Ð°Ñ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¾ ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð½Ð° ÑÐµÑÑÐ¸ÑÐ¾ÑÐ¸Ð¹ Ð®Ð¶Ð½Ð¾Ð¹ ÐÐ¼ÐµÑÐ¸ÐºÐ¸ ÐºÐ¾Ð»Ð¾Ð½Ð¸Ð¹ ÐÑÐ¿Ð°Ð½ÑÐºÐ¾Ð¹ ÐÐ¼Ð¿ÐµÑÐ¸Ð¸, Ð²Ð¾ÐµÐ½Ð½ÑÑ Ð¿Ð¾ÑÐ¾Ð´Ð°Ñ, Ð¾ÑÑÑÐµÑÑÐ²Ð»ÑÐµÐ¼ÑÑ Ð¸ÑÐ¿Ð°Ð½ÑÐºÐ¸Ð¼Ð¸ ÐºÐ¾Ð½ÐºÐ¸ÑÑÐ°Ð´Ð¾ÑÐ°Ð¼Ð¸, Ð¾ÑÐºÑÑÑÐ¸Ð¸ Ð½Ð¾Ð²ÑÑ ÑÐµÑÑÐ¸ÑÐ¾ÑÐ¸Ð¹ Ð¸ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ð¸ Ð½Ð¾Ð²ÑÑ Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ², Ð¿Ð¾Ð´ÑÐ¸Ð½ÑÑÑÐ¸ÑÑÑ ÐÑÐ¿Ð°Ð½Ð¸Ð¸. ÐÐ´ÐµÑÑ Ð¾Ð¿Ð¸ÑÑÐ²Ð°ÑÑÑÑ Ð¿ÑÐµÐ´Ð¿Ð¾ÑÑÐ»ÐºÐ¸ Ðº Ð½Ð°ÑÐ°Ð»Ñ Ð²Ð¾Ð¹Ð½Ñ Ð·Ð° Ð½ÐµÐ·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÑ, ÑÐ¾Ð´ ÐµÐµ ÑÐ¾Ð±ÑÑÐ¸Ð¹ Ð¸ Ð¾Ð±ÑÐµÑÐµÐ½Ð¸Ðµ Ð½ÐµÐ·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÐ¸ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð¾Ð¹. ÐÑÐµ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ²ÑÐ·Ð¸ Ð¼ÐµÐ¶Ð´Ñ ÐÑÐ¿Ð°Ð½Ð¸ÐµÐ¹ Ð¸ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð¾Ð¹, ÑÑÐ°ÑÑÐ¸Ðµ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ñ Ð² Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐ¾ÑÐ¾Ð½Ð½Ð¸Ñ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸ÑÑ Ð¸ Ð¸ÑÑÐ¾ÑÐ¸Ñ ÑÐ¾Ð»ÐºÐ»ÐµÐ½Ð´ÑÐºÐ¾Ð³Ð¾ ÐºÐ¾Ð½ÑÐ»Ð¸ÐºÑÐ°. Ð¢Ð°ÐºÐ¶Ðµ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð²Ð½ÐµÑÐ½ÐµÐ¹ Ð¿Ð¾Ð»Ð¸ÑÐ¸ÐºÐ¸ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ñ Ð¿Ð¾ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ Ðº Ð¾ÑÑÐ°Ð»ÑÐ½ÑÐ¼ ÑÑÑÐ°Ð½Ð°Ð¼. Ð ÑÐ°ÐºÐ¶Ðµ - Ð¸ÑÑÐ¾ÑÐ¸Ñ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ð¹ Ð¼ÐµÐ¶Ð´Ñ ÐÑÐ¿Ð°Ð½Ð¸ÐµÐ¹ Ð¸ ÐÑÐ³ÐµÐ½ÑÐ¸Ð½Ð¾Ð¹ Ð² XIX - XXI Ð²ÐµÐºÐ°Ñ, Ð²ÐºÐ»ÑÑÐ°Ñ Ð¸ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÐµ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ñ Ð¼ÐµÐ¶Ð´Ñ ÑÑÐ¸Ð¼Ð¸ ÑÑÑÐ°Ð½Ð°Ð¼Ð¸.
Sussurri di idrogeno
Creators: Nicola Nosengo
Publisher: name: Media Inaf
Year: 2013

Una ricerca australiana dimostra una nuova tecnica per studiare l'emissione di idrogeno dalla galassie più deboli e distanti, sommando molte emissioni debolissime per ottenere un segnale molto più forte. E ricostruire come è cambiata nel tempo la concentrazione di idrogeno nelle galassie. La tecnica potrà servire anche per il radiotelescopio SKA.
Real-variables characterization of generalized Stieltjes functions
Creators: name: Sokal, Alan D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 26A48 (Primary), 26D10, 30E05, 30E20, 44A10, 44A15, 44A60 (Secondary)

description: We obtain a characterization of generalized Stieltjes functions of any order λ> 0 in terms of inequalities for their derivatives on (0,\infty). When λ=1, this provides a new and simple proof of a characterization of Stieltjes functions first obtained by Widder in 1938.
description: LaTeX2e, 9 pages. Version 2 contains some improvements in the exposition suggested by a referee. To be published in Expositiones Mathematicae
Anomalous scaling and anisotropy in models of passively advected vector fields
Creators: name: Arponen, Heikki
Publisher: name: arXiv
Year: 2008
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: The small and large scale problem of various passive vector models with anisotropic forcing is considered by solving exactly the equation for the pair correlation function. Emphasis is placed in the phenomena of anomalous scaling and the possible breakdown of isotropic dominance in the inertial range.
description: 33 pages, 8 figures. Added references, several corrections and improvements
Sbalzi di temperatura su Marte
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2013

Nella tenue atmosfera del Pianeta rosso si registrano ogni giorno non una ma due oscillazioni di temperatura. Per gli scienziati del Jet Propulsion Laboratory della NASA questo inatteso fenomeno può essere dovuto alle nubi di cristalli di ghiaccio d'acqua che solcano i cieli di Marte.
Una miniera di buchi neri
Creators: Antonio Marro
Publisher: name: Media Inaf
Year: 2013

Utilizzando i dati dell'Osservatorio orbitante Chandra della NASA, gli astronomi hanno scoperto una concentrazione senza precedenti di buchi neri di massa stellare nella Galassia di Andromeda, una delle galassie più vicine alla Via Lattea. Ne hanno trovato 26 nuovi, che vann ad aggiungersi a nove già scoperti in precedenza.
Herschel scopre un enorme giacimento di gas
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2013

Grazie alla sua capacità di rivelare il carbonio ionizzato, un tracciante alternativo al monossido di carbonio, lo strumento HIFI a bordo del telescopio spaziale ESA ha localizzato nuove e imponenti riserve d’idrogeno nella nostra galassia.
Omega and Eta (Eta-prime) mesons from NN and ND collisions at intermediate energies
Creators: name: Kaptari, L. P.
name: Kampfer, B.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The production of pseudo scalar, Eeta, Eta-prime, and vector, Omega, Rho, Phi, mesons in NN collisions at threshold-near energies is analyzed within a covariant effective meson-nucleon theory. It is shown that a good description of cross sections and angular distributions, for vector meson production, can be accomplished by considering meson and nucleon currents only, while for pseudo scalar production an inclusion of nucleon resonances is needed. The di-electron production from subsequent Dalitz decay of the produced mesons, $η'\to γγ^* \toγe^+e^-$ and $ω\to πγ^*\to πe^+e^-$ is also considered and numerical results are presented for intermediate energies and kinematics of possible experiments with HADES, CLAS and KEK-PS. We argue that the transition form factor $ω\to γ^*π$ as well as $η'\to γ^*γ$ can be defined in a fairly model independent way and the feasibility of an experimental access to transition form factors is discussed.
description: Presented at the International Conference on Nuclear Reactions on Nucleons and Nuclei, Oct. 5-10, 2009, Messina, Italy
Palm pairs and the general mass-transport principle
Creators: name: Gentner, Daniel
name: Last, Günter
Publisher: name: arXiv
Year: 2009
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60D05, 60G55, 60G60

description: We consider a lcsc group G acting properly on a Borel space S and measurably on an underlying sigma-finite measure space. Our first main result is a transport formula connecting the Palm pairs of jointly stationary random measures on S. A key (and new) technical result is a measurable disintegration of the Haar measure on G along the orbits. The second main result is an intrinsic characterization of the Palm pairs of a G-invariant random measure. We then proceed with deriving a general version of the mass-transport principle for possibly non-transitive and non-unimodular group operations first in a deterministic and then in its full probabilistic form.
description: 26 pages
Integrated Microfluidic Isolation of Aptamers Using Electrophoretic Oligonucleotide Manipulation
Creators: Kim, Jinho
Olsen, Timothy Richard
Zhu, Jing
Hilton, John Paul
Yang, Kyungae
Pei, Renjun
Stojanovic, Milan N.
Lin, Qiao
Publisher: name: Columbia University
Year: 2016
Subjects: Biomedical engineering
Microfluidics
Oligonucleotides
Nucleic acids

description: We present a microfluidic approach to integrated isolation of DNA aptamers via systematic evolution of ligands by exponential enrichment (SELEX). The approach employs a microbead-based protocol for the processes of affinity selection and amplification of target-binding oligonucleotides, and an electrophoretic DNA manipulation scheme for the coupling of these processes, which are required to occur in different buffers. This achieves the full microfluidic integration of SELEX, thereby enabling highly efficient isolation of aptamers in drastically reduced times and with minimized consumption of biological material. The approach as such also offers broad target applicability by allowing selection of aptamers with respect to targets that are either surface-immobilized or solution-borne, potentially allowing aptamers to be developed as readily available affinity reagents for a wide range of targets. We demonstrate the utility of this approach on two different procedures, respectively for isolating aptamers against a surface-immobilized protein (immunoglobulin E) and a solution-phase small molecule (bisboronic acid in the presence of glucose). In both cases aptamer candidates were isolated in three rounds of SELEX within a total process time of approximately 10 hours.
Un buco nero in letargo
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2013

Un team di ricercatori ha avvistato un buco nero inattivo al centro della galassia a spirale NGC 253. Nel 2003 assorbiva e inghiottiva gas e materiale dalla galassia, ma nel frattempo si è "addormentato". Per gli astronomi il motivo è ancora un mistero, ma con osservazioni congiunte di Chandra e NuSTAR in futuro sperano di osservarne il risveglio.
High-resolution HNC 3-2 SMA observations of Arp220
Creators: name: Aalto, S.
name: Wilner, D.
name: Spaans, M.
name: Wiedner, M. C.
name: Sakamoto, K.
name: Black, J. H.
name: Caldas, M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present high resolution (0."4) observations of HNC J=3-2 with the SubMillimeter Array (SMA). We find luminous HNC 3-2 line emission in the western part of Arp220, centered on the western nucleus, while the eastern side of the merger shows relatively faint emission. A bright (36 K), narrow (60 km/s) emission feature emerges from the western nucleus, superposed on a broader spectral component. A possible explanation is weak maser emission through line-of-sight amplification of the background continuum source. There is also a more extended HNC 3-2 emission feature north and south of the nucleus. This feature resembles the bipolar OH maser morphology around the western nucleus. Substantial HNC abundances are required to explain the bright line emission from this warm environment. We discuss this briefly in the context of an X-ray chemistry and radiative excitation. We conclude that the luminous and possibly amplified HNC emission of the western nucleus of the Arp220 merger reflects the unusual, and perhaps transient, environment of the starburst/AGN activity there. The faint HNC line emission towards Arp220-east reveals a real difference in physical conditions between the two merger nuclei.
description: 7 pages, 6 figures, accepted for publication in Astronomy and Astrophysics
Measurement of the Cosmic Ray e+ plus e- spectrum from 20 GeV to 1 TeV with the Fermi Large Area Telescope
Creators: name: LAT Collaboration
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Designed as a high-sensitivity gamma-ray observatory, the Fermi Large Area Telescope is also an electron detector with a large acceptance exceeding 2m^2 sr at 300 GeV. Building on the gamma-ray analysis, we have developed an efficient electron detection strategy which provides sufficient background rejection for measurement of the steeply-falling electron spectrum up to 1 TeV. Our high precision data show that the electron spectrum falls with energy as E^(-3.0) and does not exhibit prominent spectral features. Interpretations in terms of a conventional diffusive model as well as a potential local extra component are briefly discussed.
description: 6 pages, 3 figures - submitted to Physical Review Letters on March 19, published online on May 4 - contact authors: L. Latronico, A. Moiseev
title: Ð¡Ð¿Ð»Ð¾ÑÐµÐ½Ð½Ð¾ÑÑÑ Ð¼Ð½Ð¾Ð³Ð¾Ð½Ð°ÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½ÑÑ Ð³ÑÑÐ¿Ð¿ Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾Ð¼Ð°Ð½Ð´Ð½ÑÑ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: ÐÑÐ»Ð¸Ð½ÐºÐ¾Ð²Ð¸Ñ, Ð®Ð»Ð¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð³ÑÑÐ¿Ð¿Ð¾Ð²Ð°Ñ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾ÑÑÑ
ÐºÐ¾Ð¼Ð°Ð½Ð´Ð½ÑÐµ Ð¼ÐµÑÐ¾Ð´Ñ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ
Ð°ÐºÑÐ¸Ð²Ð½ÑÐµ Ð¼ÐµÑÐ¾Ð´Ñ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ
ÑÐ¾Ð»ÐµÑÐ°Ð½ÑÐ½Ð¾ÑÑÑ
ÑÑÐ½Ð¸ÑÐµÑÐºÐ°Ñ Ð¸Ð´ÐµÐ½ÑÐ¸ÑÐ½Ð¾ÑÑÑ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¸Ð·Ð»Ð¾Ð¶ÐµÐ½ Ð¾Ð±Ð·Ð¾Ñ Ð¸ Ð°Ð½Ð°Ð»Ð¸Ð· Ð½Ð°ÑÑÐ½Ð¾-Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð»Ð¸ÑÐµÑÐ°ÑÑÑÑ Ð¾ ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾Ð³Ð¾ Ð¼Ð½Ð¾Ð³Ð¾Ð½Ð°ÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÐ´ÐµÐ½ÑÐµÑÐºÐ¾Ð³Ð¾ ÐºÐ¾Ð»Ð»ÐµÐºÑÐ¸Ð²Ð°. ÐÐ°Ð½Ñ Ð¾Ð±ÑÐ¸Ðµ Ð¿Ð¾Ð½ÑÑÐ¸Ñ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾ÑÑÐ¸ Ð¸ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ ÐºÐ¾Ð¼Ð°Ð½Ð´Ð½ÑÑ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ. ÐÐ·ÑÑÐµÐ½Ñ ÑÑÐ½Ð¾Ð¿ÑÐ¸ÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð°ÑÐ¿ÐµÐºÑÑ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾ÑÑÐ¸ Ð¼Ð½Ð¾Ð³Ð¾Ð½Ð°ÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾Ð¹ ÑÑÑÐ´ÐµÐ½ÑÐµÑÐºÐ¾Ð¹ Ð³ÑÑÐ¿Ð¿Ñ, Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¿Ð¾Ð´ÑÐ¾Ð´Ñ Ð¸ ÑÑÐµÐ´ÑÑÐ²Ð° Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ, Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÐµÐ¼ÑÐµ Ð² ÑÐµÐ»ÑÑ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾ÑÑÐ¸ Ð¼Ð°Ð»ÑÑ Ð³ÑÑÐ¿Ð¿. Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐ°Ð»Ð° ÐºÐ¾Ð½ÑÑÐ°ÑÐ°ÑÐ¸Ñ ÑÐ°ÐºÑÐ°, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ðµ Ð·Ð°Ð½ÑÑÐ¸Ð¹ Ð² Ð¸Ð½ÑÐµÑÐ½Ð°ÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½ÑÑ Ð³ÑÑÐ¿Ð¿Ð°Ñ Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¹ Ð°ÐºÑÐ¸Ð²Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ ÑÐ¿Ð¾ÑÐ¾Ð±ÑÑÐ²ÑÐµÑ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ ÑÐ¿Ð»Ð¾ÑÑÐ½Ð½Ð¾ÑÑÐ¸ Ð³ÑÑÐ¿Ð¿ Ð¸ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÑÐµÐ±Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² ÐºÐ¾Ð»Ð»ÐµÐ´Ð¶Ð°.
Tectal glioma
Creators: name: SINGH, CHITRANGADA
Publisher: name: EURORAD
Year: 2015
Subjects: subject: Neuroradiology brain
subject: Experimental
subject: MR
subject: Biopsy
subject: Diagnostic procedure
subject: Structured reporting
subject: Neoplasia

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: female, 17 years
description: Clinical History: A 17-year old female presented to the clinics with complaints of headache associated with blurring of vision and nausea  since 6 months. Clinical and laboratory evaluations were non conclusive over the time. Patient's headaches had started affecting her d... Final Diagnosis: Probable right Tectal Plate Glioma
Stelle dal cuore pulsante
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2013

Un team di astrosismologi ha utilizzato  il telescopio svizzero Eulero all'Osservatorio di La Silla per studiare l'ammasso stellare aperto NGC 3766. Hanno scoperto che 36 stelle seguono un modello inaspettato e presentano variazioni di brillanza regolari. La causa della variabilità rimane ancora un mistero.
L’Irlanda sbanca FameLab
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2013

Nella finale di Cheltenham prevale Fergus McAliffe, ricercatore in scienza ambientali dell'Università di Cork. L'Italiana Ilaria Zanardi si fa valere ma esce in semifinale. Il vincitore assoluto e la campionessa italiana raccontano la finale a Media Inaf.
title: Gerhard Gäde: Viele Religionen – welche Wahrheit? Ein neuer Blick auf die nichtchristlichen Religionen
Creators: name: Deinhammer, Robert
Publisher: name: Zeitschrift für Theologie und Philosophie
Year: 2021
Subjects: subject: FOS: Philosophy, ethics and religion
valueUri: http://www.oecd.org/science/inno/38235147.pdf

description: Zeitschrift für Theologie und Philosophie, 143 (2021) 4, 637-639
MDCT 3D reconstructed features of posterior urethral valve
Creators: name: Hamidi, Hidayatullah
Publisher: name: EURORAD
Year: 2015
Subjects: subject: Urinary Tract / Bladder
subject: CT
subject: Conventional radiography
subject: Fluoroscopy
subject: Computer Applications-3D
subject: Computer Applications-Virtual imaging
subject: Contrast agent-intravenous
subject: Cystography / Uretrography
subject: Congenital

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 75 days
description: Clinical History: 75 days boy was brought to a tertiary pediatric hospital with complain of gross hematuria since birth.Primary ultrasound reported bilateral hydronephrosis and hydroureter.He was referred to Radiology department of our hospital for abdominal CT... Final Diagnosis: Posterior urethral valve
A ridiculously simple and explicit implicit function theorem
Creators: name: Sokal, Alan D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Complex Variables (math.CV)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 30B10 (Primary); 05A15, 13F25, 26B10, 30A20, 32A05, 47J07 (Secondary)

description: I show that the general implicit-function problem (or parametrized fixed-point problem) in one complex variable has an explicit series solution given by a trivial generalization of the Lagrange inversion formula. I give versions of this formula for both analytic functions and formal power series.
Weak approximations for Wiener functionals
Creators: name: Leão, Dorival
name: Ohashi, Alberto
Publisher: name: arXiv
Year: 2009
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: In this paper we introduce a simple space-filtration discretization scheme on Wiener space which allows us to study weak decompositions and smooth explicit approximations for a large class of Wiener functionals. We show that any Wiener functional has an underlying robust semimartingale skeleton which under mild conditions converges to it. The discretization is given in terms of discrete-jumping filtrations which allow us to approximate nonsmooth processes by means of a stochastic derivative operator on the Wiener space. As a by-product, we provide a robust semimartingale approximation for weak Dirichlet-type processes. The underlying semimartingale skeleton is intrinsically constructed in such way that all the relevant structure is amenable to a robust numerical scheme. In order to illustrate the results, we provide an easily implementable approximation scheme for the classical Clark-Ocone formula in full generality. Unlike in previous works, our methodology does not assume an underlying Markovian structure and does not require Malliavin weights. We conclude by proposing a method that enables us to compute optimal stopping times for possibly non-Markovian systems arising, for example, from the fractional Brownian motion.
description: Published in at http://dx.doi.org/10.1214/12-AAP883 the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Polarimetric Diagnostics of Unresolved Chromospheric Magnetic Fields
Creators: name: Casini, R.
name: Sainz, R. Manso
name: Low, B. C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: For about a decade, spectro-polarimetry of HeI 10830 has been applied to the magnetic diagnostics of the solar chromosphere. This resonance line is very versatile, as it is visible both on disk and in off-limb structures, and it has a good sensitivity to both the weak-field Hanle effect and the strong-field Zeeman effect. Recent observations of an active-region filament showed that the linear polarization was dominated by the transverse Zeeman effect, with very little or no hint of scattering polarization. This is surprising, since the HeI levels should be significantly polarized in a conventional scattering scenario. To explain the observed level of atomic depolarization by collisional or radiative processes, one must invoke plasma densities larger by several orders of magnitude than currently known values for prominences. We show that such depolarization can be explained quite naturally by the presence of an unresolved, highly entangled magnetic field, which averages to give the ordered field inferred from spectro-polarimetric data, over the typical temporal and spatial scales of the observations. We present a modeling of the polarized HeI 10830 in this scenario, and discuss its implications for the magnetic diagnostics of prominences and spicules, and for the general study of unresolved magnetic field distributions in the solar atmosphere.
title: ÐÐ¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ Ð¶Ð¸Ð»Ð¾Ð³Ð¾ Ð¼Ð¸ÐºÑÐ¾ÑÐ°Ð¹Ð¾Ð½Ð° Ð² Ð³. ÐÑÑ Ð°Ð½Ð³ÐµÐ»ÑÑÐºÐµ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾Ð³Ð°ÑÐµÐ²Ð°, ÐÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÑÐ°ÑÑÐµÑ Ð½Ð°Ð³ÑÑÐ·Ð¾Ðº Ð¼Ð¸ÐºÑÐ¾ÑÐ°Ð¹Ð¾Ð½Ð°
ÑÐ²ÐµÑÐ¾ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ°ÑÑÐµÑ
Ð²ÑÐ±Ð¾Ñ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ
ÑÐµÐ»ÐµÐ¹Ð½Ð°Ñ Ð·Ð°ÑÐ¸ÑÐ° Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÐºÐ°

description: Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð° Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ Ð¶Ð¸Ð»Ð¾Ð³Ð¾ Ð¼Ð¸ÐºÑÐ¾ÑÐ°Ð¹Ð¾Ð½Ð° Ð² Ð³. ÐÑÑÐ°Ð½Ð³ÐµÐ»ÑÑÐºÐµ. ÐÑÐ¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ Ð½Ð°Ð³ÑÑÐ·Ð¾Ðº Ð¼Ð¸ÐºÑÐ¾ÑÐ°Ð¹Ð¾Ð½Ð°, ÑÐ²ÐµÑÐ¾ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ°ÑÑÐµÑÑ Ð½Ð°ÑÑÐ¶Ð½Ð¾Ð³Ð¾ Ð¾ÑÐ²ÐµÑÐµÐ½Ð¸Ñ, Ð²ÑÐ±ÑÐ°Ð½Ð° ÑÑÐµÐ¼Ð° ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ, ÐºÐ¾Ð»Ð¸ÑÐµÑÑÐ²Ð¾ Ð¸ Ð¼Ð°ÑÐºÐ° Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ Ð´Ð»Ñ Ð¿ÑÐ¾Ð²ÐµÑÐºÐ¸ Ð²ÑÐ±ÑÐ°Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, Ð²ÑÐ±ÑÐ°Ð½Ñ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° ÑÐµÐ»ÐµÐ¹Ð½Ð¾Ð¹ Ð·Ð°ÑÐ¸ÑÑ. ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ°Ñ ÑÐ°ÑÑÑ ÑÐ°Ð±Ð¾ÑÑ.
title: An Examination of the Social and Political Attitudes of College Student-Athletes
Creators: name: Smasal, Melissa Cotter
Publisher: name: Old Dominion University
publisherIdentifier: https://ror.org/04zjtrb98
publisherIdentifierScheme: ROR
Year: 2006

description: As the prominence of sport in our culture continues to increase, athletes increasingly possess a platform from which to influence the attitudes and opinions of others. In recent years, athletes have used such platforms to make social and political statements and have garnered much attention in doing so. With these instances in mind, the goal of this study was to gain an understanding of some of the social and political attitudes of college athletes. College athletes are a unique peer group of college students and have not yet been studied in regards to social and political attitudes.

The survey instrument used in this study was modified from two other measures, the Quick Discrimination Index and the Conservatism-Liberalism Scale. The examination of social and political attitudes was delimited to sixteen questions that focused on community, gender, and race attitudes. The second section of the survey asked respondents to self-report levels of interest in and influences on their social and political attitudes. The survey was available online and the sample was taken from students and student-athletes at a mid-size, mid-Atlantic, Division I state university. Using ANOVAs, significant differences were found between students and student athletes, males and females (both athletes and non-athletes), revenue generating and nonrevenue generating sport athletes, team sport athletes and individual sport athletes, and based on academic colleges. The majority (over 60%) of athletes identified themselves as moderate or liberal and 59% reported interest in social and political issues.

The results of the study are not generalizable, but the study does indicate that athletes may have some significantly different social and political attitudes than their college peers. Further research is necessary in order to determine if significant differences do exist between college students and student-athletes.
Electron-ion scattering in dense multi-component plasmas: application to the outer crust of an accreting neutron star
Creators: name: Daligault, J.
name: Gupta, S.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The thermal conductivity of a dense {\it multi-component} plasma is critical to the modeling of accreting neutron stars. To this end, we perform large-scale molecular dynamics simulations to calculate the static structure factor of the dense multi-component plasma in the neutron star crust from near the photosphere-ocean boundary to the vicinity of the neutron drip point. The structure factors are used to validate a microscopic linear mixing rule that is valid for arbitrarily complex plasmas over a wide range of Coulomb couplings. The microscopic mixing rule in turn implies and validates the linear mixing rule for the equation of state properties and also the linear mixing rule for the electrical and thermal conductivities of dense multi-component plasmas. To make our result as useful as possible, for the specific cases of electrical and thermal conductivities, we provide a simple analytic fit that is valid for arbitrarily complex multi-component plasmas over a wide range of Coulomb couplings. We compute the thermal conductivity for a representative compositional profile of the outer crust of an accreting neutron star in which hundreds of nuclear species can be present. We utilize our results to re-examine the so-called impurity parameter formalism as used to characterize impure plasmas.
description: New, more accurate fit is provided
Environmental effects on the growth of super massive black holes and AGN feedback
Creators: name: Shin, Min-Su
name: Ostriker, Jeremiah P.
name: Ciotti, Luca
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We investigate how environmental effects by gas stripping alter the growth of a super massive black hole (SMBH) and its host galaxy evolution, by means of 1D hydrodynamical simulations that include both mechanical and radiative AGN feedback effects. By changing the truncation radius of the gas distribution (R_t), beyond which gas stripping is assumed to be effective, we simulate possible environments for satellite and central galaxies in galaxy clusters and groups. The continuous escape of gas outside the truncation radius strongly suppresses star formation, while the growth of the SMBH is less affected by gas stripping because the SMBH accretion is primarily ruled by the density of the central region. As we allow for increasing environmental effects - the truncation radius decreasing from about 410 to 50 kpc - we find that the final SMBH mass declines from about 10^9 to 8 x 10^8 Msol, but the outflowing mass is roughly constant at about 2 x 10^10 Msol. There are larger change in the mass of stars formed, which declines from about 2 x 10^10 to 2 x 10^9 Msol, and the final thermal X-ray gas, which declines from about 10^9 to 5 x 10^8 Msol, with increasing environmental stripping. Most dramatic is the decline in the total time that the objects would be seen as quasars, which declines from 52 Myr (for R_t = 377 kpc) to 7.9 Myr (for R_t = 51 kpc). The typical case might be interpreted as a red and dead galaxy having episodic cooling flows followed by AGN feedback effects resulting in temporary transitions of the overall galaxy color from red to green or to blue, with (cluster) central galaxies spending a much larger fraction of their time in the elevated state than do satellite galaxies.(Abridged)
description: Accepted for publication in ApJ
Un’estate di scienza a Palermo
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2013

Si svolgerà dal 17 giugno al 12 luglio la manifestazione 'un mare di scienza' organizzata da Palermoscienza e dall'INAF - Osservatorio Astronomico di Palermo dedicata ai bambini dai 5 ai 12 anni. Ad Arcetri invece, 'Visione Notturna' tre appuntamenti dal cinema muto all'astronomia contemporanea
Nell’argilla marziana i mattoni della vita
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2013

Un nuovo studio su delle argille ritrovate su un meteorite marziano permetterà a geologi e astrobiologi di risolvere qualche mistero sulle prime fasi della Terra e di aggiungere un mattoncino in più alla ricerca di vita su Marte. Le argille presentano una grande quantità di boro arricchito, elemento alla base della sintesi del ribosio e quindi della formazione del RNA.
Generalized theory for node disruption in finite size complex networks
Creators: name: Mitra, Bivas
name: Ganguly, Niloy
name: Ghose, Sujoy
name: Peruani, Fernando
Publisher: name: arXiv
Year: 2008
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: After a failure or attack the structure of a complex network changes due to node removal. Here, we show that the degree distribution of the distorted network, under any node disturbances, can be easily computed through a simple formula. Based on this expression, we derive a general condition for the stability of non-correlated finite complex networks under any arbitrary attack. We apply this formalism to derive an expression for the percolation threshold $f_c$ under a general attack of the form $f_k \sim k^γ$, where $f_k$ stands for the probability of a node of degree $k$ of being removed during the attack. We show that $f_c$ of a finite network of size $N$ exhibits an additive correction which scales as $N^{-1}$ with respect to the classical result for infinite networks.
title: Thomas Fornet-Ponse: Christologie als Konfliktgeschichte. Die Konflikte um Edward Schillebeeckx, Jon Sobrino und Jacques Dupuis und ihr Beitrag zu einer fundamentaltheologischen Konflikttheorie
Creators: name: Dahlke, Benjamin
Publisher: name: Zeitschrift für Theologie und Philosophie
Year: 2021
Subjects: subject: FOS: Philosophy, ethics and religion
valueUri: http://www.oecd.org/science/inno/38235147.pdf

description: Zeitschrift für Theologie und Philosophie, 143 (2021) 4, 634-636
Shenzhou-10, i cinesi tornano in orbita
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2013

Tre astronauti cinesi sono partiti oggi con la navetta spaziale Shenzhou-10 per la stazione orbitante Tiangong-1, in un nuovo sviluppo del programma spaziale di Pechino.  Il programma prevede di mettere in orbita una stazione permanente simile alla ISS entro la fine del decennio.
PAMELA/ATIC anomaly from the meta-stable extra dark matter component and the leptophilic Yukawa interaction
Creators: name: Kyae, Bumseok
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a supersymmetric model with two dark matter (DM) components explaining the galactic positron excess observed by PAMELA/HEAT and ATIC/PPB-BETS: One is the conventional (bino-like) lightest supersymmetric particle (LSP) χ, and the other is a TeV scale meta-stable neutral singlet N_D, which is a Dirac fermion (N,N^c). In this model, N_D decays dominantly into χe^+e^- through an R parity preserving dimension 6 operator with the life time τ_N\sim 10^{26} sec. We introduce a pair of vector-like superheavy SU(2) lepton doublets (L,L^c) and lepton singlets (E,E^c). The dimension 6 operator leading to the N_D decay is generated from the leptophilic Yukawa interactions by W\supset Ne^cE+Lh_dE^c+m_{3/2}l_1L^c with the dimensionless couplings of order unity, and the gauge interaction by {\cal L}\supset \sqrt{2} g'\tilde{e}^{c*}e^cχ+ h.c. The superheavy masses of the vector-like leptons (M_L, M_E\sim 10^{16} GeV) are responsible for the longevity of N_D. The low energy field spectrum in this model is just the MSSM fields and N_D. Even for the case that the portion of N_D is much smaller than that of χin the total DM density [{\cal O}(10^{-10}) \lesssim n_{N_D}/n_χ], the observed positron excess can be explained by adopting relatively lighter masses of the vector-like leptons (10^{13} GeV \lesssim M_{L,E} \lesssim 10^{16} GeV). The smallness of the electron mass is also explained. This model is easily embedded in the flipped SU(5) grand unification, which is a leptophilic unified theory.
description: 12 pages, published version
Superfluid density and specific heat within self-consistent scheme for two-band superconductor
Creators: name: Kogan, V. G.
name: Martin, C.
name: Prozorov, R.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The two gaps in a two-band clean s-wave superconductor are evaluated self-consistently within the quasiclassical Eilenberger weak-coupling formalism with two in-band and one inter-band pairing potentials. Superfluid density, free energy and specific heat are given in the form amenable for fitting the experimental data. Well-known two-band MgB$_2$ and V$_3$Si superconductors are used to test the developed approach. The pairing potentials obtained from the fit of the superfluid density data in MgB$_2$ crystal were used to calculate temperature-dependent specific heat, $C(T)$. The calculated $C(T)$ compares very well with the experimental data. Advantages and validity of this, what we call the "$γ$-model", are discussed and compared with the commonly used empirical (and \textit{not self-consistent}) "$α$-model". Correlation between the sign of the inter-band coupling and the signs of the two order parameters is discussed. Suppression of the critical temperature by the inter-band scattering is evaluated and shown to be severe for the inter-band repulsion as compared to the attraction. The data on a strong $T_c$ suppression in MgB$_2$ crystals by impurities suggest that the order parameters on two effective bands of this material may have opposite signs, i.e., may have the $s_{\pm}$ structure similar to the current proposals in iron-based pnictide superconductors.
The Dirac operator on generalized Taub-NUT spaces
Creators: name: Moroianu, Andrei
name: Moroianu, Sergiu
Publisher: name: arXiv
Year: 2010
Subjects: subject: Differential Geometry (math.DG)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 58J50, 58J20

description: We find sufficient conditions for the absence of harmonic $L^2$ spinors on spin manifolds constructed as cone bundles over a compact Kähler base. These conditions are fulfilled for certain perturbations of the Euclidean metric, and also for the generalized Taub-NUT metrics of Iwai-Katayama, thus proving a conjecture of Vi\csinescu and the second author.
description: Final version, 16 pages
I bambini disegnano il cielo
Creators: Giuseppe Cutispoto
Publisher: name: Media Inaf
Year: 2013

Conclusa la settima edizione del concorso di disegno riservato ai ragazzi della scuola primaria, "Osserva il cielo e disegna le tue emozioni" organizzato dall'INAF-Osservatorio Astrofisico di Catania. 683 elaborati pervenuti da 28 istituti scolastici.