User dohmatob

7 votes

How to think about dual space of a certain space of Lipschitz functions

answered Nov 6, 2019 at 17:36

7 votes

Average measure of intersection of a convex region with its translate

answered Feb 9, 2022 at 10:38

6 votes

Reference for Connes Bourbaki membership or otherwise

answered Feb 24, 2021 at 10:35

6 votes

Examples of common false beliefs in mathematics

answered Apr 19, 2022 at 6:56

6 votes

Accepted

A simple proof that non negative polynomials have even degree

answered Jun 12, 2020 at 23:10

3 votes

Accepted

Concentration of $\ell_2$ norm of a vector sampled from a distribution

answered Aug 24, 2020 at 18:05

3 votes

Good upper bound for a certain sum

answered Jun 5, 2019 at 17:07

3 votes

Accepted

Covering number of $l_2$ Ball in $\mathbb{R}^d$

answered Apr 2, 2020 at 9:01

3 votes

Distribution of the individual coordinates of a uniform random vector on a high-dimensional sphere

answered Apr 19, 2020 at 17:20

2 votes

Average measure of intersection of a convex region with its translate

answered May 9, 2020 at 11:35

2 votes

What happens to the Gaussian volume of a Borel set when it is translated?

answered Mar 25, 2019 at 13:14

2 votes

Questions concerning convergence rate of Iterated Projections

answered Oct 13, 2015 at 13:29

2 votes

Accepted

Convex Optimization in an Ellipsoid

answered Nov 26, 2015 at 20:50

2 votes

When do 3D random walks return to their origin?

answered Sep 1, 2016 at 11:31

2 votes

Concentration bound on maximum subset sum of standard Gaussians

answered Jun 17, 2020 at 13:39

2 votes

Accepted

L1 distance between gaussian measures

answered Feb 27, 2020 at 15:52

2 votes

Metric / strong slope restriction of function on unit ball in $\mathbb R^m$

answered Nov 3, 2020 at 20:56

2 votes

What quantities are conserved under a general gradient-flow $\dot X(t) = -\nabla L(X(t))$?

answered Dec 14, 2022 at 20:21

2 votes

Is $\int_{-c}^c |A \cap (x + A)|\, dx$ maximized when the measurable subset $A \subseteq \mathbb R$ is an interval centered at the origin?

answered Feb 10, 2022 at 13:05

2 votes

What does $\mathbb E_V \max_{x \in V,\,\|x\|=1} x^T Ax$ evaluate to when $V$ is random $k$-dim suspace of $\mathbb R^n$ and $A$ is fixed psd matrix?

answered Dec 24, 2021 at 12:17

2 votes

Quick derivation of classical probability theory from von Neumann algebraic framework

answered Feb 24, 2021 at 10:00

1 vote

Singular value of Hadamard product

answered Dec 28, 2021 at 11:05

1 vote

Isoperimetric inequality for $\epsilon$-expansion of a set only along a certain subspace

answered Dec 26, 2021 at 14:40

1 vote

Time-derivative of integral over sub-level set $s(t) := \int_{f^{-1}((-\infty,t])}p(x)dx$

answered Mar 2, 2022 at 15:33

1 vote

Marginal density of uniform spherical distribution

answered Oct 24, 2021 at 17:24

1 vote

An approximation problem w.r.t marginal distribution of coordinates of uniform random vector on high-dimensional unit-sphere

answered Sep 7, 2021 at 13:59

1 vote

Anti-concentration of Gaussian quadratic form

answered Jan 20, 2023 at 1:27

1 vote

Concentration of a certain simple / well-structured random multilinear polynomial with growing degree

answered Apr 7, 2023 at 19:31

1 vote

Accepted

Rademacher complexity of function class $(x,y) \mapsto 1[|yf(x)-\alpha| \ge \beta]$ in terms of $\alpha$, $\beta$, and Rademacher complexity of $F$

answered Apr 16, 2022 at 13:34

1 vote

Limiting value of Stieltjes transform of sum of independent Wishart matrices

answered Jun 22 at 9:06

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70 Answers

How to think about dual space of a certain space of Lipschitz functions

Average measure of intersection of a convex region with its translate

Reference for Connes Bourbaki membership or otherwise

Examples of common false beliefs in mathematics

A simple proof that non negative polynomials have even degree

Concentration of $\ell_2$ norm of a vector sampled from a distribution

Good upper bound for a certain sum

Covering number of $l_2$ Ball in $\mathbb{R}^d$

Distribution of the individual coordinates of a uniform random vector on a high-dimensional sphere

Average measure of intersection of a convex region with its translate

What happens to the Gaussian volume of a Borel set when it is translated?

Questions concerning convergence rate of Iterated Projections

Convex Optimization in an Ellipsoid

When do 3D random walks return to their origin?

Concentration bound on maximum subset sum of standard Gaussians

L1 distance between gaussian measures

Metric / strong slope restriction of function on unit ball in $\mathbb R^m$

What quantities are conserved under a general gradient-flow $\dot X(t) = -\nabla L(X(t))$?

Is $\int_{-c}^c |A \cap (x + A)|\, dx$ maximized when the measurable subset $A \subseteq \mathbb R$ is an interval centered at the origin?

What does $\mathbb E_V \max_{x \in V,\,\|x\|=1} x^T Ax$ evaluate to when $V$ is random $k$-dim suspace of $\mathbb R^n$ and $A$ is fixed psd matrix?

Quick derivation of classical probability theory from von Neumann algebraic framework

Singular value of Hadamard product

Isoperimetric inequality for $\epsilon$-expansion of a set only along a certain subspace

Time-derivative of integral over sub-level set $s(t) := \int_{f^{-1}((-\infty,t])}p(x)dx$

Marginal density of uniform spherical distribution

An approximation problem w.r.t marginal distribution of coordinates of uniform random vector on high-dimensional unit-sphere

Anti-concentration of Gaussian quadratic form

Concentration of a certain simple / well-structured random multilinear polynomial with growing degree

Rademacher complexity of function class $(x,y) \mapsto 1[|yf(x)-\alpha| \ge \beta]$ in terms of $\alpha$, $\beta$, and Rademacher complexity of $F$

Limiting value of Stieltjes transform of sum of independent Wishart matrices