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        "event_title":"Student Number Theory: Character sheaves for unipotent groups & easy algebraic groups",
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        "description":"An algebraic group is called \"easy\" if every geometric point is contained in the neutral connected component of its centralizer. In 2006, Boyarchenko and Drinfeld conjectured that a unipotent group is easy if and only if its L-packets of character sheaves are singletons. In 2013, Boyarchenko proved the \"only if\" direction. In this talk, we sketch a proof of the converse. Along the way, we give a characterization of easy algebraic groups via their Asai twisting operators. No prior knowledge of character sheaves is assumed.",
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