English

Discrete non-commutative integrability: the proof of a conjecture by M. Kontsevich

Mathematical Physics 2009-09-04 v1 Combinatorics math.MP Quantum Algebra

Abstract

We prove a conjecture of Kontsevich regarding the solutions of rank two recursion relations for non-commutative variables which, in the commutative case, reduce to rank two cluster algebras of affine type. The conjecture states that solutions are positive Laurent polynomials in the initial cluster variables. We prove this by use of a non-commutative version of the path models which we used for the commutative case.

Keywords

Cite

@article{arxiv.0909.0615,
  title  = {Discrete non-commutative integrability: the proof of a conjecture by M. Kontsevich},
  author = {P. Di Francesco and R. Kedem},
  journal= {arXiv preprint arXiv:0909.0615},
  year   = {2009}
}

Comments

17 pages, 2 figures