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Title:
Higher Hida theory
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Abstract:
Abstract: In usual Hida theory, one constructs a module over weight space whose specialitzation to sufficiently regular weight is a space over classical ordinary modular forms. The goal of higher Hida theory is to construct a perfect complex of modules over (part of) weight space whose specialization to classical *non-regular* weights is a complex which (in favorable circumstances) computes the coherent cohomology of the assoicated Shimura variety in that weight. In this talk, we outline a construction of these complexes for GSp(4) and certain families of irregular weights.
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