# An example related to the slicing inequality for general measures

**Authors:** Bo'az Klartag, Alexander Koldobsky

arXiv: 1706.01132 · 2017-08-24

## TL;DR

This paper investigates the slicing inequality for general measures, establishing a lower bound that grows with dimension and exploring related measure conditions, advancing understanding of geometric measure inequalities.

## Contribution

It constructs a new example demonstrating a lower bound for the slicing constant that grows with dimension, and analyzes measures satisfying the -condition.

## Key findings

- Established a lower bound for the slicing constant as  n /   

- Provided examples satisfying the -condition for various 
- Extended understanding of measure inequalities in convex geometry.

## Abstract

For $n\in \mathbb{N}$ let $S_n$ be the smallest number $S>0$ satisfying the inequality $$ \int_K f \le S \cdot |K|^{\frac 1n} \cdot \max_{\xi\in S^{n-1}} \int_{K\cap \xi^\bot} f $$ for all centrally-symmetric convex bodies $K$ in $\mathbb{R}^n$ and all even, continuous probability densities $f$ on $K$. Here $|K|$ is the volume of $K$. It was proved by the second-named author that $S_n\le 2\sqrt{n}$, and in analogy with Bourgain's slicing problem, it was asked whether $S_n$ is bounded from above by a universal constant. In this note we construct an example showing that $S_n\ge c\sqrt{n}/\sqrt{\log \log n},$ where $c > 0$ is an absolute constant. Additionally, for any $0 < \alpha < 2$ we describe a related example that satisfies the so-called $\psi_{\alpha}$-condition.

## Full text

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## References

23 references — full list in the complete paper: https://tomesphere.com/paper/1706.01132/full.md

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Source: https://tomesphere.com/paper/1706.01132