English

Limit theorems for the volumes of small codimensional random sections of $\ell_p^n$-balls

Probability 2022-06-30 v1 Functional Analysis Metric Geometry

Abstract

We establish Central Limit Theorems for the volumes of intersections of BpnB_{p}^n (the unit ball of pn\ell_p^n) with uniform random subspaces of codimension dd for fixed dd and nn\to \infty. As a corollary we obtain higher order approximations for expected volumes, refining previous results by Koldobsky and Lifschitz and approximations obtained from the Eldan--Klartag version of CLT for convex bodies. We also obtain a Central Limit Theorem for the Minkowski functional of the intersection body of BpnB_p^n, evaluated on a random vector distributed uniformly on the unit sphere.

Keywords

Cite

@article{arxiv.2206.14311,
  title  = {Limit theorems for the volumes of small codimensional random sections of $\ell_p^n$-balls},
  author = {Radosław Adamczak and Peter Pivovarov and Paul Simanjuntak},
  journal= {arXiv preprint arXiv:2206.14311},
  year   = {2022}
}

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32 pages