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  • Publication . Article . Preprint . 2002
    Open Access English
    Authors: 
    Bergman, Oren; Gaberdiel, Matthias R; Green, Michael B;

    The cylinder diagrams that determine the static interactions between pairs of Dp-branes in the type IIB plane wave background are evaluated. The resulting expressions are elegant generalizations of the flat-space formulae that depend on the value of the Ramond-Ramond fl...

  • Open Access English
    Authors: 
    Pablo Shmerkin; Boris Solomyak;
    Publisher: American Mathematical Society
    Country: Argentina
    Project: NSF | Ergodic Theory, Dynamics ... (0968879)

    We show that in many parametrized families of self-similar measures, their projections, and their convolutions, the set of parameters for which the measure fails to be absolutely continuous is very small - of co-dimension at least one in parameter space. This complement...

  • Publication . Article . Preprint . 1999
    Open Access English
    Authors: 
    Abramowicz, Halina; Caldwell, Allen C.;
    Publisher: APS
    Country: Germany

    HERA, the first electron-proton collider, has been delivering luminosity since 1992. It is the natural extension of an impressive series of fixed-target lepton-nucleon scattering experiments. The increase of a factor ten in center-of-mass energy over that available for ...

  • Open Access English
    Authors: 
    Nir Lev; Gilad Reti;
    Project: EC | HARMONIC (713927)

    We obtain new Poisson type summation formulas with nodes $\pm \sqrt{n}$ and with weights involving the function $r_k(n)$ that gives the number of representations of a positive integer $n$ as the sum of $k$ squares. Our results extend summation formulas due to Guinand an...

  • Publication . Preprint . Other literature type . Conference object . 2019
    Open Access English
    Authors: 
    Shimon Bitton; Yuval Emek; Taisuke Izumi; Shay Kutten;

    A new \emph{spanner} construction algorithm is presented, working under the \emph{LOCAL} model with unique edge IDs. Given an $n$-node communication graph, a spanner with a constant stretch and $O (n^{1 + \varepsilon})$ edges (for an arbitrarily small constant $\varepsi...

  • Open Access English
    Authors: 
    Kurtulik, Matej; Manor, Assaf; Weill, Rafi; Rotschild, Carmel;
    Project: EC | ThforPV (638133)

    Photoluminescence (PL) is a light matter quantum interaction associated with the chemical potential of light formulated by the Generalized Planck's law. Without knowing the inherent temperature dependence of chemical potential, the Generalized Planck's law is insufficie...

  • Publication . Article . Preprint . 2010
    Open Access English
    Authors: 
    György Elekes; Haim Kaplan; Micha Sharir;
    Publisher: Elsevier Inc.
    Country: Hungary

    AbstractWe extend (and somewhat simplify) the algebraic proof technique of Guth and Katz (2010) [9], to obtain several sharp bounds on the number of incidences between lines and points in three dimensions. Specifically, we show: (i) The maximum possible number of incide...

  • Open Access English
    Authors: 
    Agrawal, Akanksha; Kundu, Madhumita; Sahu, Abhishek; Saurabh, Saket; Tale, Prafullkumar;
    Project: EC | LOPRE (819416), EC | SYSTEMATICGRAPH (725978)

    A graph $H$ is {\em $p$-edge colorable} if there is a coloring $\psi: E(H) \rightarrow \{1,2,\dots,p\}$, such that for distinct $uv, vw \in E(H)$, we have $\psi(uv) \neq \psi(vw)$. The {\sc Maximum Edge-Colorable Subgraph} problem takes as input a graph $G$ and integers...

  • Publication . Preprint . Conference object . 2021
    Open Access English
    Authors: 
    Christoph Feichtenhofer; Haoqi Fan; Bo Xiong; Ross Girshick; Kaiming He;

    We present a large-scale study on unsupervised spatiotemporal representation learning from videos. With a unified perspective on four recent image-based frameworks, we study a simple objective that can easily generalize all these methods to space-time. Our objective enc...

  • Open Access English
    Authors: 
    Iodice, M.; Cusanno, F.; Acha, A.; Ambrozewicz, P.; Aniol, K.A.; Baturin, P.; Bertin, P.Y.; Benaoum, H.; Blomqvist, K.I.; Boeglin, W.U.; +89 more
    Publisher: HAL CCSD
    Country: France

    An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a Ring Imaging CHerenkov d...