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Seminar

Reading Group: Re-GRAD Seminar: Proof of the classification of horospherical invariant measures March 19, 2026 (04:00 PM PDT - 05:15 PM PDT)
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Location: SLMath: Baker Board Room
Speaker(s) Dongryul Kim (Simons Laufer Mathematical Sciences Institute (SLMath))
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In this talk, we prove that any Radon measure on the horospherical foliation invariant under an Anosov subgroup is quasi-invariant under the translations by Jordan projections of elements of the subgroup. This is essentially the proof of the classification of horospherical invariant measures in joint work with Inhyeok Choi.

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