Speaker: Haoyu Hu (Nanjing University)
Time: 2026-03-19 13:00-17:00
Location: 610, SIMIS
Zoom meeting ID: 886 6266 3628 Password: SIMIS
Abstract:
For an étale constructible sheaf on a smooth variety, its singular support is a closed conic subset of the cotangent bundle. It is defined by Beilinson by extending the theory of Kashiwara and Schapira to varieties over a field of arbitrary characteristic. In the second part, we introduce the Radon transform for étale sheaves developed by Brylinski and then study the proof of the existence of the singular support. If time permits, we study the dimension of the singular support.
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