Jakub Witaszek (Princeton University)Title: Splinters in mixed characteristic via the Riemann-Hilbert correspondenceAbstract: In my talk, I will discuss new developments on the openness of the splinter locus and the localisation of the mixed characteristic test ideals. This is based on a joint work (in progress) with Bhargav Bhatt, Linquan Ma, Zsolt Patakfalvi, Karl Schwede, Kevin Tucker, and Joe Waldron.
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