Ultrametric Logarithm Laws I
Jayadev S. Athreya, Anish Ghosh, Amritanshu Prasad
Abstract
We announce ultrametric analogues of the results of Kleinbock-Margulis for shrinking target properties of semisimple group actions on symmetric spaces. The main applications are S-arithmetic Diophantine approximation results and logarithm laws for buildings, generalizing the work of Hersonsky-Paulin on trees.
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