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31,636 research outcomes, page 1 of 3,164
  • publication . Preprint . Article . 2011
    Open Access English
    Authors:
    Del Tedesco, F.; Hunt, S.; Sands, D.;
    Country: United Kingdom

    We consider the problem of logical data erasure, contrasting with physical erasure in the same way that end-to-end information flow control contrasts with access control. We present a semantic hierarchy for erasure policies, using a possibilistic knowledge-based semanti...

  • publication . Article . Preprint . 1998
    Open Access
    Authors:
    Horellou, C.; Charmandaris, V.; Francoise Combes; Appleton, P. N.; Casoli, F.; Mirabel, I. F.;

    We present the first detection of molecular gas in the Cartwheel, the prototype of a collisional ring galaxy formed in the head-on encounter of two galaxies. Until now, only very little atomic gas and no CO had been detected in the centre, where gas is theoretically exp...

  • publication . Preprint . Article . 2009
    Open Access
    Authors:
    K. Andersson; John R. Peterson; Grzegorz Madejski; Ariel Goobar;
    Persistent Identifiers
    Publisher: American Astronomical Society

    We report the application of a new Monte Carlo method, Smoothed Particle Inference (SPI, described in a pair of companion papers), towards analysis and interpretation of X-ray observations of clusters of galaxies with the XMM-Newton satellite. Our sample consists of pub...

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  • publication . Article . 2002
    Open Access
    Authors:
    David Lybäck; Magnus Boman;
    Persistent Identifiers
    Publisher: Association for Computing Machinery (ACM)

    New services based on the best-effort paradigm could complement the current deterministic services of an electronic financial exchange. Four crucial aspects of such systems would benefit from a hybrid stance: proper use of processing resources, bandwidth management, fau...

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  • publication . Preprint . 2020
    Open Access English
    Authors:
    Nagy, Ágnes; Kokko, Kalevi; Huhtala, Jesse; Björkman, Torbjörn; Vitos, Levente;

    Recently, Theophilou (J. Chem.Phys {\bf 149} 074104 (2018)) showed that a set of spherically symmetric densities determines uniquely the external potential in molecules and solids. Here, spherically symmetric Kohn-Sham-like equations are derived. The spherical densities...

  • publication . Preprint . Article . 2016
    Open Access
    Authors:
    Karlsson, Boris; Ekstrom, A.; Forssen, Christian; Fahlin Strömberg, Dag; Jansen, G. R.; Lilja, Oskar; Lindby, Mattias; Mattsson, Björn; Wendt, K. A.;
    Persistent Identifiers
    Publisher: American Physical Society (APS)
    Country: Sweden
    Project: EC | ANSR (240603)

    Chiral effective field theory (chiEFT) provides a systematic approach to describe low-energy nuclear forces. Moreover, chiEFT is able to provide well-founded estimates of statistical and systematic uncertainties -- although this unique advantage has not yet been fully e...

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  • publication . Article . Report . Preprint . Other literature type . 2018
    Open Access English
    Authors:
    Aaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; Abhayasinghe, D.K.; Abidi, S.H.; AbouZeid, O.S.; Abraham, N.L.; Abramowicz, H.; ...
    Countries: Italy, United Kingdom, Italy, United Kingdom, Sweden, Norway, Italy, France, United Kingdom, Russian Federation ...
    Project: NSERC

    The observation of Higgs boson production in association with a top quark pair ($t\bar{t}H$), based on the analysis of proton–proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider, is presented. Using da...

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  • publication . Article . Preprint . 2019
    Open Access English
    Authors:
    Loubenets, Elena R; Khrennikov, Andrei Y;
    Persistent Identifiers

    For an even qudit dimension $d\geq 2,$ we introduce a class of two-qudit states exhibiting perfect correlations/anticorrelations and prove via the generalized Gell-Mann representation that, for each two-qudit state from this class, the maximal violation of the original ...

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  • publication . Preprint . Article . 2020
    Open Access English
    Authors:
    Hanen Hamdi; Gergő Thiering; Zoltán Bodrog; Viktor Ivády; Adam Gali;
    Persistent Identifiers
    Publisher: Linköpings universitet, Teoretisk Fysik
    Country: Sweden
    Project: EC | ASTERIQS (820394)

    Many quantum emitters have been measured close or near the grain boundaries of the two-dimensional hexagonal boron nitride where various Stone-Wales defects appear. We show by means of first principles density functional theory calculations that the pentagon-heptagon St...

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  • publication . Preprint . Article . 2014
    Open Access English
    Authors:
    Andrea Mattera; Mattias Lantz; Stephan Pomp; Vasileios Rakopoulos; Andreas Solders; Peter Andersson; Anders Hjalmarsson; J. Valldor-Blücher; Alexander V. Prokofiev; Elke Passoth; ...
    Persistent Identifiers
    Country: Italy
    Project: EC | ERINDA (269499)

    We report on measurements performed at The Svedberg Laboratory (TSL) to characterize a proton-neutron converter for independent fission yield studies at the IGISOL-JYFLTRAP facility (Jyv\"askyl\"a, Finland). A 30 MeV proton beam impinged on a 5 mm water-cooled Beryllium...

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31,636 research outcomes, page 1 of 3,164