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math.NT2025
Integrability of Siegel transforms and an application
René Pfitscher
We establish sharp algebraic criteria for the -integrability, for , of a natural generalization of the Siegel transform to the setting of rational represen…
math.NT2024
Counting rational approximations on rank one flag varieties
René Pfitscher
On a generalized flag variety of rank one, we count rational approximations to a real point chosen randomly according to the Riemannian volume. In particular, our results apply to…