SISSA Open Science

Browsing SISSA Preprints by Title

Browsing SISSA Preprints by Title

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  • Toader, Rodica; Zanini, Chiara (2006-07-26)
    We introduce a new model of irreversible quasistatic crack growth in which the evolution of cracks is the limit of a suitably modified $\epsilon$-gradient flow of the energy functional, as the "viscosity" parameter $\epsilon$ ...
  • Milanesi, Giuseppe; Mintchev, Mihail (2005)
    We quantize a scalar field at finite temperature T in the background of a classical black hole, adopting 't Hooft's "brick wall" model with generic mixed boundary conditions at the brick wall boundary. We first focus on ...
  • Braides, andrea; Caroccia, Marco (2022-03-23)
    We prove that quadratic pair interactions for functions defined on planar Poisson clouds and taking into account pairs of sites of distance up to a certain (large-enough) threshold can be almost surely approximated by the ...
  • Bruzzo, Ugo; Montoya, William D. (SISSA, 2019-03-19)
    We extend the definition of Noether-Leschetz components to quasi-smooth hyper- surfaces in a projective toric variety PΣ2k+1 having orbifold singularities, and prove that asymptoticaly the components whose codimension is ...
  • Agostiniani, Virginia; Dal Maso, Gianni; DeSimone, Antonio (SISSA, 2013-10-10)
    We consider a class of non-quasiconvex frame indifferent energy densities which includes Ogden-type energy densities for nematic elastomers. For the corresponding geometrically linear problem we provide an explicit minimizer ...
  • Maggiolo, Stefano (2010-02-18)
    We compute the automorphisms groups of all numerical Godeaux surfaces, i.e. minimal smooth surfaces of general type with K^2 = 1 and p_g = 0, with torsion of the Picard group of order \nu equals 3, 4, or 5. We present ...
  • Magris, Claudio; Finzi, Roberto; Alvi, Geminello; Beccaria, Gian Luigi; Gilibert, Giorgio; Romiti, Cesare; Desiata, Alfonso; Virasoro, Miguel; Pagano, Maurizio; Zanetti, Michele; Dorigo, Elettra; Carli, Augusto; Codega, Franco; Pontiggia, Giuseppe (2005-05-16)
    Questo preprint riproduce gli interventi tenuti al convegno svoltosi il 18 febbraio 2000 presso la SISSA. Oltre ai contributi qui stampati, ha tenuto una relazione Livio Cossar. Inoltre c'è stata anche un'ampia discussione, ...
  • Benini, Francesco; Canoura, Felipe; Cremonesi, Stefano; Nunez, Carlos; Ramallo, Alfonso V. (2007-09-17)
    n this paper we present new analytic solutions of pure Type IIB supergravity plus D7-branes describing the addition of an arbitrary number of flavors to the Klebanov-Tseytlin and Klebanov-Strassler backgrounds. We provide ...
  • Lizzi, Fedele; Vitale, Patrizia; Zampini, Alessandro (2005)
    The fuzzy disc is a matrix approximation of the functions on a disc which preserves rotational symmetry. In this paper we introduce a basis for the algebra of functions on the fuzzy disc in terms of the eigenfunctions of ...
  • Heltai, Luca; Costanzo, Francesco; Roy, Saswati (SISSA, 2013-06-05)
    We present an implementation of a fully variational formulation of an immersed methods for fluid-structure interaction problems based on the finite element method. While typical implementation of immersed methods ...
  • Bellazzini, Brando; Riva, Francesco; Serra, Javi; Sgarlata, Francesco (2017)
    We constrain effective feld theories by going beyond the familiar positivity bounds that follow from unitarity, analyticity, and crossing symmetry of the scattering amplitudes. As interesting examples, we discuss the ...
  • Griguolo, Luca; Seminara, Domenico; Szabo, Richard J.; Tanzini, Alessandro (2006-11-09)
    We study the relationship between instanton counting in N=4 Yang-Mills theory on a generic four-dimensional toric orbifold and the semi-classical expansion of q-deformed Yang-Mills theory on the blowups of the minimal ...
  • Michelangeli, Alessandro (2006-04-18)
    "It has a flavour of Mathematical Physics..."With these words, just few years ago, prof. Di Giacomo used to introduce the topic of the Born approximation within a nonrelativistic potential theory, in his `oversize' course ...
  • Forcella, Davide (2007-05-31)
    We discuss a general procedure to obtain 1/2 BPS partition functions for generic N = 1 quiver gauge theories. These functions count the gauge invari- ant operators (bosonic and fermionic), charged under all the global ...
  • Bertolini, Matteo; Billó, Marco; Lerda, Alberto; Morales, Jose F.; Russo, Rodolfo (2005)
    We develop systematic string techniques to study brane world effective actions for models with magnetized (or equivalently intersecting) D-branes. In particular, we derive the dependence on all NS-NS moduli of the kinetic ...
  • Barchiesi, Marco; Lazzaroni, Giuliano; Zeppieri, Caterina Ida (SISSA, 2015)
    We provide a homogenisation result for the energy-functional associated with a purely brittle composite whose microstructure is characterised by soft periodic inclusions embedded in a stiffer matrix. We show that the two ...
  • Caldiroli, Paolo; Musina, Roberta (2009-07-08)
  • Bonora, Loriano; Maccaferri, Carlo; Scherer Santos, Ricardo Jose; Tolla, Driba Demissie (2006-04-12)
    We show that a family of 1/2--BPS states of $\N=4$ SYM is in correspondence with a family of classical solutions of VSFT with a $B$--field playing the role of the inverse Planck constant. We show this correspondence by ...
  • Baiti, Paolo; Bressan, Alberto; Jenssen, Helge Kristian (2007-11-05)
    It is proved that discrete shock profiles (DSPs) for the Lax-Friedrichs scheme for a system of conservation laws do not necessarily depend continuously in BV on their speed. We construct examples of $2 \times 2$-systems ...

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