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pro vyhledávání: '"Reppen, Stefan"'
Autor:
Reppen, Stefan
We show that the systems of Hecke eigenvalues that appear in the coherent cohomology with coefficients in automorphic line bundles of any mod $p$ abelian type compact Shimura variety at hyperspecial level are the same as those appearing in any Hecke-
Externí odkaz:
http://arxiv.org/abs/2409.11720
Autor:
Goldring, Wushi, Reppen, Stefan
This paper generalizes a result of Ogus that, under certain technical conditions, the vanishing order of the Hasse invariant of a family $Y/X$ of $n$-dimensional Calabi-Yau varieties in characteristic $p$ at a point $x$ of $X$ equals the "conjugate l
Externí odkaz:
http://arxiv.org/abs/2404.05707
We prove the existence of a projective good moduli space of principal $\mathcal{G}$-bundles under nonconnected reductive group schemes $\mathcal{G}$ over a smooth projective curve $C$. We also prove that the moduli stack of $\mathcal{G}$-bundles deco
Externí odkaz:
http://arxiv.org/abs/2311.05326
Autor:
Reppen, Stefan
Let $F$ be a totally real field and let $S$ denote the geometric special fiber of a Hilbert modular variety associated to $F$, at a prime unramified in $F$. We show that the order of vanishing of the Hasse invariant on $S$ is equal to the largest int
Externí odkaz:
http://arxiv.org/abs/2306.15224
Autor:
Ghiasabadi, Archia, Reppen, Stefan
Let $X$ be a smooth projective curve of genus $g$, defined over an algebraically closed field $k$, and let $G$ be a connected reductive group over $k$. We say that a $G$-torsor is essentially finite if it admits a reduction to a finite group, general
Externí odkaz:
http://arxiv.org/abs/2211.02909
Autor:
Ghiasabadi, Archia, Reppen, Stefan
Publikováno v:
In Bulletin des sciences mathématiques November 2023 188
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