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  • Publication . Article . Preprint . 2017
    Open Access English
    Authors: 
    Daniel Robert-Nicoud; Felix Wierstra;
    Project: ANR | SAT (ANR-14-CE25-0008)

    In previous works by the authors, a bifunctor was associated to any operadic twisting morphism, taking a coalgebra over a cooperad and an algebra over an operad, and giving back the space of (graded) linear maps between them endowed with a homotopy Lie algebra structure...

  • Open Access English
    Authors: 
    Aliaksandr Rahachou; Igor Zozoulenko;

    We have developed a scattering-matrix approach for numerical calculation of resonant states and Q-values of a nonideal optical disk cavity of an arbitrary shape and of an arbitrary varying refraction index. The developed method has been applied to study the effect of su...

  • Publication . Article . Preprint . 2017
    Open Access English
    Authors: 
    Baykal, Cenk; Liebenwein, Lucas; Schwarting, Wilko;

    We present a novel coreset construction algorithm for solving classification tasks using Support Vector Machines (SVMs) in a computationally efficient manner. A coreset is a weighted subset of the original data points that provably approximates the original set. We show...

  • Open Access English
    Authors: 
    Florian Kuhnel; Cornelius Rampf; Marit Sandstad;
    Publisher: Springer Nature
    Country: United Kingdom

    Certain inflationary models as well as realisations of phase transitions in the early Universe predict the formation of primordial black holes. For most mass ranges, the fraction of matter in the form of primordial black holes is limited by many different observations o...

  • Publication . Article . Preprint . 2015
    Open Access English
    Authors: 
    Fabiana Zollo; Alessandro Bessi; Michela Del Vicario; Antonio Scala; Guido Caldarelli; Louis M. Shekhtman; Shlomo Havlin; Walter Quattrociocchi;
    Publisher: Public Library of Science
    Country: Italy
    Project: EC | DOLFINS (640772), EC | SoBigData (654024), EC | MULTIPLEX (317532), EC | SIMPOL (610704)

    Recently a simple military exercise on the Internet was perceived as the beginning of a new civil war in the US. Social media aggregate people around common interests eliciting a collective framing of narratives and worldviews. However, the wide availability of user-pro...

  • Publication . Preprint . Article . Conference object . 2018
    Open Access English
    Authors: 
    Antzela Kosta; Nikolaos Pappas; Anthony Ephremides; Vangelis Angelakis;

    We consider a cognitive shared access scheme consisting of a high priority primary node and a low priority network with $N$ secondary nodes accessing the spectrum. Assuming bursty traffic at the primary node, saturated queues at the secondary nodes, and multipacket rece...

  • Publication . Article . Other literature type . Preprint . 2013
    Open Access English
    Authors: 
    Robert Granger; Andrew Moss;
    Country: Switzerland
    Project: SFI | Claude Shannon Institute ... (06/MI/006)

    Generalised Mersenne Numbers (GMNs) were defined by Solinas in 1999 and feature in the NIST (FIPS 186-2) and SECG standards for use in elliptic curve cryptography. Their form is such that modular reduction is extremely efficient, thus making them an attractive choice fo...

  • Publication . Article . Preprint . 2015
    Open Access English
    Authors: 
    Lindeberg, Tony; Friberg, Anders;
    Publisher: KTH, Beräkningsbiologi, CB
    Country: Sweden
    Project: EC | SKAT-VG (618067)

    This paper presents a theory by which idealized models of auditory receptive fields can be derived in a principled axiomatic manner, from a set of structural properties to enable invariance of receptive field responses under natural sound transformations and ensure inte...

  • Publication . Article . Other literature type . Research . Preprint . 2022
    Open Access English
    Authors: 
    Aaij, Roel; Abdelmotteleb, Ahmed Sameh Wagih; Aiola, Salvatore; Borsato, Martino; Zhou, Yixiong; Zhovkovska, Valeriia; Zhu, Xianglei; Zhu, Xiaoyu; Zhu, Zhanwen; Zhukov, Valery; +190 more
    Countries: Germany, France, Sweden, Netherlands, Netherlands, Switzerland, Italy

    Events containing a $Z$ boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of $6 \, {\rm fb}^{-1}$ collected at a center-of-mass energy of 13 TeV with the L...

  • Open Access English
    Authors: 
    Remy Indebetouw; Mikako Matsuura; Eli Dwek; Giovanna Zanardo; M. J. Barlow; Maarten Baes; Patrice Bouchet; David N. Burrows; Roger A. Chevalier; Geoffrey C. Clayton; +16 more
    Publisher: American Astronomical Society
    Country: Belgium

    Supernova (SN) explosions are crucial engines driving the evolution of galaxies by shock heating gas, increasing the metallicity, creating dust, and accelerating energetic particles. In 2012 we used the Atacama Large Millimeter/Submillimeter Array to observe SN 1987A, o...