SISSA Open Science

Browsing SISSA Preprints by Title

Browsing SISSA Preprints by Title

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  • Constant k-curvature hypersurfaces in Riemannian manifolds 
    Fethi, Mahmoudi (2007-10-15)
  • Constant T-curvature conformal metrics on 4-manifolds with boundary 
    Ndiaye, Cheikh Birahim (2007-08-07)
    In this paper we prove that, given a compact four dimensional smooth Riemannian manifold (M,g) with smooth boundary there exists a metric conformal to g with constant T-curvature, zero Q-curvature and zero mean curvature ...
  • Constrained BV functions on double coverings for Plateau's type problems 
    Amato, Stefano; Bellettini, Giovanni; Paolini, Maurizio (2014)
    We link Brakke's "soap films" covering construction with the theory of finite perimeter sets, in order to study Plateau's problem without fixing a priori the topology of the solution. The minimization is set up in the ...
  • Continuity of some non-local functionals with respect to a convergence of the underlying measures 
    Braides, Andrea; Dal Maso, Gianni (2022-04-04)
    We study some non-local functionals on the Sobolev space W1,p0(Ω) involving a double integral on Ω × Ω with respect to a measure µ. We introduce a suitable notion of convergence of measures on product spaces which implies ...
  • A continuous dependence result for a dynamic debonding model in dimension one 
    Riva, Filippo (SISSA, 2019-03-07)
    In this paper we address the problem of continuous dependence on initial and boundary data for a one-dimensional debonding model describing a thin film peeled away from a substrate. The system underlying the process couples ...
  • Contrasting confinement in superQCD and superconductors 
    Evslin, Jarah (2008-12-15)
    The vacuum of supersymmetric gauge theories (SQCD) with N = 2 softly broken to N = 1 resembles that of a BCS superconductor in that it has a condensate which collimates flux into vortices, leading to confinement. We embed ...
  • Controllability of the Schrodinger Equation via Intersection of Eigenvalues 
    Adami, R.; Boscain, U. (2005)
    We introduce two models of controlled infinite dimensional quantum system whose Hamiltonian operator has a purely discrete spectrum. For any couple of eigenstates we construct a path in the space of controls that ...
  • Convergence of the conjugate gradient method with unbounded operators 
    Caruso, Noe; Michelangeli, Alessandro (2019-08-27)
    In the framework of inverse linear problems on infinite-dimensional Hilbert space, we prove the convergence of the conjugate gradient iterates to an exact solution to the inverse problem in the most general case where the ...
  • Convex combinations of low eigenvalues, Fraenkel asymmetries and attainable sets 
    Mazzoleni, Dario; Zucco, Davide (SISSA, 2015)
    We consider the problem of minimizing convex combinations of the first two eigenvalues of the Dirichlet-Laplacian among open set of $R^N$ of fixed measure. We show that, by purely elementary arguments, based on the minimality ...
  • Correlation functions of two-matrix models 
    Bonora, Loriano; Xiong, C. S. (SISSA, 1993-11-16)
    We show how to calculate correlation functions of two matrix models. Our method consists in making full use of the integrable hierarchies and their reductions, which were shown in previous papers to naturally appear ...
  • Counting BPS Baryonic Operators in CFTs with Sasaki-Einstein duals 
    Butti, Agostino; Forcella, Davide; Zaffaroni, Alberto (2006-11-23)
    We study supersymmetric D3 brane configurations wrapping internal cycles of type II backgrounds AdS(5) x H for a generic Sasaki-Einstein manifold H. These configurations correspond to BPS baryonic operators in the dual ...
  • CP violation due to multi Froggatt-Nielsen fields 
    Kanemura, Shinya; Matsuda, Koichi; Ota, Toshihiko; Petcov, Serguey T.; Shindou, Tetsuo; Takasugi, Eiichi (2007-05-15)
    We study how to incorporate CP violation in the Froggatt--Nielsen (FN) mechanism. To this end, we introduce non-renormalizable interactions with a flavor democratic structure to the fermion mass generation sector. It is ...
  • Critical points of the Moser-Trudinger functional 
    De Marchis, Francesca; Malchiodi, Andrea; Martinazzi, Luca (SISSA, 2011)
  • Cross sections for production of closed superstrings at high energy colliders in brane world models 
    Chialva, Diego; Iengo, Roberto; Russo, Jorge G. (2005)
    In brane world string models with large extra dimensions, there are processes where fermion and antifermion (or two gluons) can annihilate producing a light particle (e.g. gluon) carrying transverse momentum and a Kaluza-Klein ...
  • Currents and dislocations at the continuum scale 
    Scala, Riccardo; Van Goethem, Nicolas (SISSA, 2013-07-03)
    A striking geometric property of elastic bodies with dislocations is their non-Riemannian nature in the sense that the deformation cannot be written as the gradient of a one-to-one immersion, and hence that no displacement ...
  • Curvature flows on four manifolds with boundary 
    Ndiaye, Cheikh Birahim (2007-11-12)
    Given a compact four dimensional smooth Riemannian manifold (M, g) with smooth boundary, we consider the evolution equation by Q-curvature in the interior keeping the T-curvature and the mean curvature to be zero and the ...
  • The curvature: a variational approach 
    Agrachev, Andrei A.; Barilari, Davide; Rizzi, Luca (SISSA, 2013-06-22)
    The curvature discussed in this paper is a rather far going generalization of the Riemannian sectional curvature. We define it for a wide class of optimal control problems: a unified framework including geometric structures ...
  • D-branes, surface operators, and ADHM quiver representations 
    Bruzzo, Ugo; Diaconescu, Duiliu-Emanuel; Yardim, M.; Pan, G.; Zhang, Y.; Chuang Wu-yen (SISSA, 2011-01)
    A supersymmetric quantum mechanical model is constructed for BPS states bound to surface operators in five dimensional SU(r) gauge theories using D-brane engineering. This model represents the effective action of a certain ...
  • A Dark Matter Candidate from an Extra (Non-Universal) Dimension 
    Regis, Marco; Serone, Marco; Ullio, Piero (2007-01-31)
    We show that a recently constructed five-dimensional (5D) model with gauge-Higgs unification and explicit Lorentz symmetry breaking in the bulk, provides a natural dark matter candidate. This is the lightest Kaluza-Klein ...
  • Dark Matter in split extended supersymmetry 
    Provenza, Alessio; Quiros, Mariano; Ullio, Piero (2006-09-07)
    We consider the split extended (N=2) supersymmetry scenario recently proposed by Antoniadis et al. [hep-ph/0507192] as a realistic low energy framework arising from intersecting brane models. While all scalar superpartners ...

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