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Questions about geometric properties of sets using measure theoretic techniques; rectifiability of sets and measures, currents, Plateau problem, isoperimetric inequality and related topics.

2 votes
Accepted

Does quadratic asymptotic growth imply log-Sobolev inequality?

Suppose that $\lambda > 0$, $f: \mathbb{R}^n \to \mathbb{R}_+$ is $L$-Lipschitz, and define $$ \mu \left( \mathrm{d} x \right) \propto \exp \left( - \lambda \cdot \| x \|^2 - f\left(x\right) \right). …
πr8's user avatar
  • 801
1 vote
1 answer
88 views

Convergence of probability measures which (asymptotically) concentrate along a submanifold

Let $V : (-1, 1)^d \to \mathbf{R}_+$ be a smooth function, and for $\beta > 0$, define \begin{align} P_\beta ( dx ) &= \exp \left( - \beta V ( x ) \right) / z (\beta) \, dx\\ z (\beta) &= \int \exp \ …
πr8's user avatar
  • 801
1 vote
0 answers
86 views

Symmetry of the isoperimetric profile

Given a probability measure $\mu$ on a metric space $(X, \mathsf{d})$, the $(\mu-)$Minkowski content of a set $A$ is defined as $$\mu^+ (A) := {\lim\inf}_{r \to 0^+} \frac{\mu ( A_r \setminus A)}{r},$ …
πr8's user avatar
  • 801