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- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT104 papers
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10 papers · 1 filter
Max-Min characterization of the mountain pass energy level for a class of variational problems
Jacopo Bellazzini, Nicola Visciglia
We provide a max-min characterization of the mountain pass energy level for a family of variational problems. As a consequence we deduce the mountain pass structure of solutions to…
The Nonlinear Schroedinger equation: solitons dynamics
V. Benci, M. Ghimenti, A. M. Micheletti
In this paper we investigate the dynamics of solitons occurring in the nonlinear Schroedinger equation when a parameter h->0. We prove that under suitable assumptions, the the soli…
Properties of the periodic Hartree-Fock minimizer
Marco Ghimenti, Mathieu Lewin
We study the periodic Hartree-Fock model used for the description of electrons in a crystal. The existence of a minimizer was previously shown by Catto, Le Bris and Lions (Ann. Ins…
Spectral analysis of transfer operators associated to Farey fractions
Claudio Bonanno, Sandro Graffi, Stefano Isola
The spectrum of a one-parameter family of signed transfer operators associated to the Farey map is studied in detail. We show that when acting on a suitable Hilbert space of analyt…
Quantum mechanics on manifolds and topological effects
G. Morchio, F. Strocchi
A unique classification of the topological effects associated to quantum mechanics on manifolds is obtained on the basis of the invariance under diffeomorphisms and the realization…
Selection and identity rules for subductions of type A quantum Iwahori-Hecke algebras
Vincenzo Chilla
This paper is concerned with the subduction problem of type A quantum Iwahori-Hecke algebras with a real deformation parameter , i.e.…