A Chebycheff recursion formula for Coxeter polynomials
classification
🧮 math.RT
keywords
coxeteralgebrascalledcanonicalchebycheffcircleclassdimensional
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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 transformation may lie outside the unit circle.
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