Entropy rigidity of symmetric spaces without focal points

Ledrappier, François; Shu, Lin

doi:10.1090/S0002-9947-2014-06016-9

Entropy rigidity of symmetric spaces without focal points
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by François Ledrappier and Lin Shu PDF

Trans. Amer. Math. Soc. 366 (2014), 3805-3820 Request permission

Abstract:

We characterize symmetric spaces without focal points by the equality case of general inequalities between geometric quantities.

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