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Heekyoung Hahn, Duke University, Langlands’ beyond endoscopy proposal and related questions on algebraic groups and combinatorics

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September 25, 2017 | 3:00 pm - 4:00 pm EDT

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Langlands’ beyond endoscopy proposal for establishing
functoriality motivates the study of irreducible subgroups of
$\mathrm{GL}_n$ that stabilize a line in a given representation of
$\mathrm{GL}_n$. Such subgroups are said to be detected by the
representation. In this talk we present a family of results when the
subgroup is a classical group in the important special case where the
representation of $\mathrm{GL}_n$ is a subrepresentation of the triple
tensor product representation $\otimes^3$. If time permits, we will
prove some partition identities arising in this context and discuss
their relation to explicit Satake inversion.


September 25, 2017
3:00 pm - 4:00 pm
Event Category:
SAS 4201