Abstract We study the precise asymptotic volume of balls in Orlicz spaces and show that the volume of the intersection of two Orlicz balls undergoes a phase transition when the dimension of the ambient space tends to infinity. This generalizes a result of Schechtman and Schmuckenschlager (1991) [32] for l p d -balls. As another application, we determine the precise asymptotic volume ratio for 2-concave Orlicz spaces l M d . Our method rests on ideas from statistical mechanics and large deviations theory, more precisely the maximum entropy or Gibbs principle for non-interacting particles, and presents a natural approach and fresh perspective to such geometric and volumetric questions. In particular, our approach explains how the p-generalized Gaussian distribution occurs in problems related to the geometry of l p d -balls, which are Orlicz balls when the Orlicz function is M ( t ) = | t | p .
The maximum entropy principle and volumetric properties of Orlicz balls
Published 2020 in Journal of Mathematical Analysis and Applications
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- Publication year
2020
- Venue
Journal of Mathematical Analysis and Applications
- Publication date
2020-07-10
- Fields of study
Mathematics
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