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Atti della Accademia Peloritana dei Pericolanti - Classe di Scienze Fisiche, Matematiche e Naturali
332 Publications
OpenAIRE 3.0 (OA, funding)


  • Preface and front material

    Ciancio, Vincenzo; Francaviglia, Mauro; Muschik, Wolfgang; Restuccia, Liliana (2009)

    On the Stability of the Homographic Polygon Configuration in the Many-Body Problem

    Cattani, Carlo; Prokopenya, Alexander N. (2005)
    In this paper the stability of a new class of exact symmetrical solutions in the Newtonian gravitational (n + 1) -body problem is studied. This class of solution follows from a suitable geometric distribution of the (n+1) -bodies, and initial conditions, so that the solution is represented geometrically by an oscillating regular polygon with n sides rotating non-uniformly about its center. The body having a mass m0 is at the center of the polygon, while n bodies having the same mass m ...

    A geometric model for magnetizable bodies with internal variables

    Francaviglia, M.; Restuccia, Liliana; Rogolino, P (2005)
    In a geometrical framework for thermo-elasticity of continua with internal variables we consider a model of magnetizable media previously discussed and investigated by Maugin. We assume as state variables the magnetization together with its space gradient, subjected to evolution equations depending on both internal and external magnetic fields. We calculate the entropy function and necessary conditions for its existence.

    Non equilibrium thermodynamics with internal variables in Kluitenberg's theory

    Ciancio, Vincenzo (2008)
    We show a method to verify experimentally some inequalities which occur for phenomenological coefficients in the thermodynamical model for dielectric relaxation and viscoanelastic media developed in the ambit of non-equilibrium thermodynamic Kluitenberg's theory. In particular, for dielectric relaxation we assume a sinusoidal form for induction vector (extensive variable: cause), the electric field (intensive variable: effect) inside the system, which depends on unknown phenomenological coeff...

    On a special class of submanifolds in pseudoeuclidean space En2n

    Haroutunian, Samvel (2017)
    A special class of 2m dimensional submanifolds M to En^(2n) with structure of double fiber bundle is studied. Using the Cartan's method of exterior forms on manifold the structure equations of M are discovered and the differential geometric structure on M is described. M has the structure of Rashevsky-Einstein space.
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