S. Srimathy

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20232026

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math.AG2026

Complete homogeneous varieties over a field

Michel Brion, Matilde Maccan, Srinivasan Srimathy

The main objects of this paper are complete homogeneous varieties under the action of a semisimple group $G$ over field $k$ of characteristic $p > 0$ . When the isotropy groups of the…

math.NT2026

Which numbers are $u$ -invariants of perfectoid fields?

Eknath Ghate, Srinivasan Srimathy

Let $p \neq = 2$ be a prime. We determine the set of numbers that occur as the $u$ -invariant of perfectoid subfields of $C_{p}$ . Given any number that is the $u$ -invariant of a…

Complete homogeneous varieties over a field

Which numbers are u-invariants of perfectoid fields?

Which numbers are $u$ -invariants of perfectoid fields?