Quantum current algebras associated with rational $R$-matrix
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DOI: 10.1016/j.aim.2019.05.031
Abstract: Abstract We study quantum current algebra A ( R ‾ ) associated with the rational R-matrix of gl N and we give explicit formulae for the elements of its center at the critical level. Due… read more here.
Keywords: quantum current; rational matrix; current algebras; level ... See more keywords
Generalized Fiedler pencils with repetition for rational matrix functions
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DOI: 10.2298/fil2011529b
Abstract: We introduce generalized Fiedler pencil with repetition(GFPR) for an n × n rational matrix function G(λ) relative to a realization of G(λ). We show that a GFPR is a linearization of G(λ) when the realization… read more here.
Keywords: rational matrix; generalized fiedler; matrix; fiedler pencils ... See more keywords