Date: Monday, April 11, 2022
Location: 4088 East Hall (3:00 PM to 4:00 PM)
Title: Modular forms of weight one and the JacquetLanglands correspondence
Abstract: The subject of the talk is the relation between Langlands functoriality and the theory of algebraic cycles  for example, it is of interest to know whether functoriality preserves various geometric structures. In previous work, we showed that the JacquetLanglands correspondence for cohomological modular forms preserves rational Hodge structures. In this talk, I will discuss an analogous result in the case of weight one forms. Since weight one forms are not cohomological, it is not even clear in the first place how to formulate such a result. (Joint work in progress with Atsushi Ichino.)
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Speaker: Kartik Prasanna
Institution: University of Michigan
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