activity
20102023
most citedGaussian mixtures: entropy and geometric inequalities

52 citations · 180 across the 41 of their papers we have counts for

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Showing math.FAShow all

8 papers · 1 filter

math.FA2022★ 3 cited

Resilience of cube slicing in

Alexandros Eskenazis, Piotr Nayar, Tomasz Tkocz

Ball's celebrated cube slicing (1986) asserts that among hyperplane sections of the cube in , the central section orthogonal to has the greatest vol…

math.FA2022★ 11 cited

Extremal sections and projections of certain convex bodies: a survey

Piotr Nayar, Tomasz Tkocz

We survey results concerning sharp estimates on volumes of sections and projections of certain convex bodies, mainly balls, by and onto lower dimensional subspaces. This s…

math.FA2022★ 1 cited

Complex Hanner's Inequality for Many Functions

Jonathan Jenkins, Tomasz Tkocz

We establish Hanner's inequality for arbitrarily many functions in the setting where the Rademacher distribution is replaced with higher dimensional random vectors uniform on Eucli…

math.FA2021★ 12 cited

Slicing -balls reloaded: stability, planar sections in

Giorgos Chasapis, Piotr Nayar, Tomasz Tkocz

We show that the two-dimensional minimum-volume central section of the -dimensional cross-polytope is attained by the regular -gon. We establish stability-type results for h…

math.FA2018

Bounds on moments of weighted sums of finite Riesz products

Aline Bonami, Rafał Latała, Piotr Nayar +1

Let be a lacunary sequence of integers, such that . We are interested in linear combinations of the sequence of finite Riesz products $\prod_{j=1}^N(1+\cos…

math.FA2018

Sharp comparison of moments and the log-concave moment problem

Alexandros Eskenazis, Piotr Nayar, Tomasz Tkocz

This article investigates sharp comparison of moments for various classes of random variables appearing in a geometric context. In the first part of our work we find the optimal co…

math.FA2014

Injective Tauberian operators on and operators with dense range on

William B. Johnson, Amir Bahman Nasseri, Gideon Schechtman +1

There exist injective Tauberian operators on that have dense, non closed range. This gives injective, non surjective operators on that have dense range. Co…

math.FA2011

On a Loomis-Whitney Type Inequality for Permutationally Invariant Unconditional Convex Bodies

Piotr Nayar, Tomasz Tkocz

For a permutationally invariant unconditional convex body K in R^n we define a finite sequence (K_j), j = 1, ..., n of projections of the body K to the space spanned by first j vec…