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math.RT2006
A Chebycheff recursion formula for Coxeter polynomials
Helmut Lenzing, José Antonio de la Peña
We investigate the spectral properties of a new class of finite dimensional algebras, called extended canonical. In particular, we show that at most four eigenvalues of the Coxeter…
math.RT2006★ 25 cited
Extended canonical algebras and Fuchsian singularities
Helmut Lenzing, José Antonio de la Peña
We introduce a new class of finite dimensional algebras, called extended canonical, investigate their derived categories and study the spectral behavior of their Coxeter transforma…