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Seminar

Genericity of ergodic averages on affine subspaces in horospheres May 04, 2026 (11:10 AM PDT - 12:10 PM PDT)
Parent Program:
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Speaker(s) Nimish Shah (Ohio State University)
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Keywords and Mathematics Subject Classification (MSC)
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

Genericity of ergodic averages on affine subspaces in horospheres

Abstract/Media

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Due to ergodicity, almost all points on any horospherical leaf for the

action of a diagonal subgroup of SL(n, R) acting on SL(n, R)/SL(n, Z)

are generic for the ergodic averages. We are interested in finding precise

geometric and Diophantine conditions on lower dimensional submanifolds

of the horospherical leaves so that almost all points on the submanifold

are generic.

We will provide some motivation and discuss simpler cases. This is a

joint work with Pengyu Yang.

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Genericity of ergodic averages on affine subspaces in horospheres