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7,911 Research products, page 1 of 792

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  • Publication . Article . 2012
    Closed Access
    Authors: 
    Kostov, Ruslan I.; Protochristov, Christo; Stoyanov, Chavdar; Csedreki, László; Simon, Alíz; Szikszai, Zita; Uzonyi, Imre; Gaydarska, Bisserka; Chapman, John;

    doi: 10.1002/gea.21417

    Publisher: Wiley
    Project: EC | CHARISMA (228330)

    Neolithic artifacts made of nephrite, □Ca2(Fe,Mg)5Si8O22(OH)2, are found at prehistoric settlements in Bulgaria. This study investigates these objects based on particle induced X-ray emission using a scanning nuclear microprobe (micro-PIXE technique). Seven nephrite art...

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  • Publication . Article . 2017
    Open Access
    Authors: 
    József Váncza; László Monostori;

    doi: 10.1016/j.procir.2017.04.059

    Country: Germany
    Project: EC | EPIC (739592)

    Abstract Cyber-physical manufacturing, i.e., the formerly never seen integration of the physical and virtual worlds in the manufacturing domain is considered the substance of the 4 th industrial revolution. Much of the changes deemed now revolutionary are originated in ...

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  • Publication . Article . Preprint . 2014 . Embargo End Date: 22 Aug 2018
    Open Access English
    Authors: 
    Lücke, Bernd; Peise, Jan; Vitagliano, Giuseppe; Arlt, Jan J.; Santos, Luis; Toth, Geza; Klempt, Carsten;

    doi: 10.15488/3582 , 10.1103/physrevlett.112.155304

    Publisher: College Park : American Physical Society
    Country: Germany
    Project: EC | GEDENTQOPT (258647), CHIST-ERA | QUASAR (QUASAR)

    Recent experiments demonstrate the production of many thousands of neutral atoms entangled in their spin degrees of freedom. We present a criterion for estimating the amount of entanglement based on a measurement of the global spin. It outperforms previous criteria and ...

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  • Publication . Article . 2020
    Open Access English
    Authors: 
    Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.; +190 more
    Country: Italy
    Project: EC | AMVA4NewPhysics (675440), EC | INSIGHTS (765710), EC | LHCTOPVLQ (752730)
  • Publication . Article . Conference object . Preprint . 2013
    Open Access English
    Authors: 
    Sz. Borsanyi; Z. Fodor; Sandor D. Katz; Stefan Krieg; Claudia Ratti; Kalman K. Szabo;

    doi: 10.1103/physrevlett.111.062005 , 10.22323/1.193.0033

    handle: 2128/5367

    Country: Germany
    Project: EC | QCDTHERMO (208740)

    We present our results for ratios of higher order fluctuations of electric charge as functions of the temperature. These results are obtained in a system of 2+1 quark flavors at physical quark masses and continuum extrapolated. We compare them to preliminary data on hig...

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  • Publication . Article . 2013
    Open Access English
    Authors: 
    Imre Bárány; Tudor Zamfirescu;

    doi: 10.1007/s00454-013-9549-2

    Project: EC | DISCONV (267165)

    A circle \(C\) holds a convex body \(K \subset \mathbb {R}^3\) if \(K\) can’t be moved far away from its position without intersecting \(C\). One of our results says that there is a convex body \(K \subset \mathbb {R}^3\) such that the set of radii of all circles holdin...

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  • Publication . Preprint . Article . 2014
    Open Access
    Authors: 
    Jirí Matousek; Aleksandar Nikolov; Kunal Talwar;

    doi: 10.1093/imrn/rny033

    Publisher: Oxford University Press (OUP)
    Project: EC | DISCONV (267165)

    The $\gamma_2$ norm of a real $m\times n$ matrix $A$ is the minimum number $t$ such that the column vectors of $A$ are contained in a $0$-centered ellipsoid $E\subseteq\mathbb{R}^m$ which in turn is contained in the hypercube $[-t, t]^m$. We prove that this classical qu...

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  • Publication . Article . Preprint . 2013
    Open Access English
    Authors: 
    Young-Ho Eom; Klaus M. Frahm; András A. Benczúr; Dima L. Shepelyansky;

    doi: 10.1140/epjb/e2013-40432-5

    Country: France
    Project: EC | NADINE (288956)

    We study the time evolution of ranking and spectral properties of the Google matrix of English Wikipedia hyperlink network during years 2003 - 2011. The statistical properties of ranking of Wikipedia articles via PageRank and CheiRank probabilities, as well as the matri...

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  • Publication . Part of book or chapter of book . 2013
    Open Access Hungarian
    Authors: 
    Vincze, Kata Zsófia;

    handle: 10831/26128

    Publisher: ELTE BTK Vallástudományi Központ
    Country: Hungary
    Project: EC | COLLMOT (227878)
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  • Publication . Preprint . Article . 2019
    Open Access English
    Authors: 
    Jennifer E. Andrews; David J. Sand; S. Valenti; Nathan Smith; Raya Dastidar; D. K. Sahu; Kuntal Misra; Avinash Singh; Daichi Hiramatsu; Peter J. Brown; +70 more

    doi: 10.3847/1538-4357/ab43e3

    Countries: United States, India, Finland, Italy, United Kingdom
    Project: NSF | Early Robotic Spectra of ... (1313484), NSF | Connecting Eruptive Trans... (1515559), NSF | Collaborative Research: S... (1813825), NSF | Unveiling the Physics and... (1821967), NSF | CyberTraining: CIU: The L... (1829740), EC | SNDTD (839090), NSF | Collaborative Research: A... (1821987), NSF | Collaborative Research: P... (1813176), EC | SUPERSTARS (758638)

    We present high-cadence ultraviolet (UV), optical, and near-infrared (NIR) data on the luminous Type II-P supernova SN 2017gmr from hours after discovery through the first 180 days. SN 2017gmr does not show signs of narrow, high-ionization emission lines in the early op...

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