Beat Zurbuchen

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20172026

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math.NT2026

Equidistribution for Tannakian monodromy groups

Beat Zurbuchen

We prove that a perverse sheaf on a connected commutatitve algebraic group over a finite is generically unramified. This implies an equidistribution theorem for Tannakian monodromy…

math.NT2024

Hypergeometric sheaves with tannakian monodromy group $G_{2}$

Beat Zurbuchen

Based on a suggestion by Katz, we determine the monodromy group of a certain hypergeometric sum to be $G_{2}$ . Our approach is based on the uniformity results by Katz on the Fourier…

Equidistribution for Tannakian monodromy groups

Hypergeometric sheaves with tannakian monodromy group G2​

Hypergeometric sheaves with tannakian monodromy group $G_{2}$