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Article Dans Une Revue Discrete Mathematics and Theoretical Computer Science Année : 1997

Noncommutative symmetric functions III : Deformations of Cauchy and convolution algebras

Résumé

This paper discusses various deformations of free associative algebras and of their convolution algebras. Our main examples are deformations of noncommutative symmetric functions related to families of idempotents in descent algebras, and a simple q-analogue of the shuffle product, which has unexpected connections with quantum groups, hyperplane arrangements, and certain questions in mathematical physics (the quon algebra, generalized Brownian motion).
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Dates et versions

hal-00018540 , version 1 (07-02-2006)
hal-00018540 , version 2 (11-06-2014)

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Gérard Henry Edmond Duchamp, Alexander Klyachko, Daniel Krob, Jean-Yves Thibon. Noncommutative symmetric functions III : Deformations of Cauchy and convolution algebras. Discrete Mathematics and Theoretical Computer Science, 1997, Vol. 1, pp.159-216. ⟨10.46298/dmtcs.231⟩. ⟨hal-00018540v2⟩
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