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Article Dans Une Revue Entropy Année : 2016

From Tools in Symplectic and Poisson Geometry to Souriau's Theories of Statistical Mechanics and Thermodynamics

Résumé

I present in this paper some tools in Symplectic and Poisson Geometry in view of their applications in Geometric Mechanics and Mathematical Physics. After a short discussion of the Lagrangian an Hamiltonian formalisms, including the use of symmetry groups, and a presentation of the Tulczyjew’s isomorphisms (which explain some aspects of the relations between these formalisms), I explain the concept of manifold of motions of a mechanical system and its use, due to J.-M. Souriau, in Statistical Mechanics and Ther- modynamics. The generalization of the notion of thermodynamic equilibrium in which the one-dimensional group of time translations is replaced by a multi-dimensional, maybe non-commutative Lie group, is discussed and examples of applications in Physics are given.
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hal-01392949 , version 1 (05-11-2016)

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Charles-Michel Marle. From Tools in Symplectic and Poisson Geometry to Souriau's Theories of Statistical Mechanics and Thermodynamics. Entropy, 2016, 18, pp.370 - 370. ⟨10.3390/e18100370⟩. ⟨hal-01392949⟩
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