Seminar
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| Location: | SLMath: Eisenbud Auditorium |
Keywords and Mathematics Subject Classification (MSC)
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Kisin showed that the generic fibers of potentially semi-stable (framed) deformation rings of p-adic Galois representations valued in GL_n are generically smooth, and he computed their dimensions. I will explain how to extend these results to Galois representations valued in an arbitrary connected reductive group G. If time permits, I will give an example showing that the corresponding schemes can have singular components. The key tool is the geometry of the nilpotent cone.
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