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fedja
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38 Earned bounties for 4,350 reputation

Active Offered Earned
7 votes
Accepted
+100

Lower tail of random rank one sums?

15 votes
Accepted
+100

Convex functions in convex sets

3 votes
+100

Uniqueness of critical points for Lipschitz perturbations of uniformly convex Hamiltonians

7 votes
Accepted
+50

How to prove that $\phi'(z)<0$ for $\theta\in (0,\pi)$?

1 vote
Accepted
+100

(simplified further) Is Brascamp-Lieb inequality on the sphere applicable for these functions for some $1\leq p<2$

3 votes
Accepted
+100

An inequality for the spectral radius of block matrices

3 votes
Accepted
+250

Does this "local time" type limit exist a.e. for $C^2$ functions?

12 votes
Accepted
+300

All saddles in the unit ball have area $<2\pi$?

4 votes
+400

Volumes of sets of constant width in high dimensions

8 votes
Accepted
+150

Non-trivial upper bound for a sum related to $p^{-1}z \pmod q$ and $q^{-1}z \pmod p$

6 votes
+200

$L^p$ bounds on tails of bounded $L^q$ sequences

5 votes
Accepted
+50

Bounding the decrease after applying a contraction operator $n$ vs $n+1$ times

13 votes
Accepted
+50

Is this function concave?

3 votes
Accepted
+100

Minimiser of a certain functional

5 votes
+50

Complex Hermite polynomial orthogonality on weighted space

5 votes
Accepted
+50

Find a way to apply the MLE on Fisher or Covariance matrix to make cross-correlations

3 votes
Accepted
+50

A domination property for the Hardy space $H^1$

16 votes
+50

Looking for sufficient conditions for positive Fourier transforms

4 votes
Accepted
+100

Steering an ODE out of a ball

5 votes
+150

Geometry of Level sets of elliptic polynomials in two real variables

1 vote
Accepted
+50

Constraint from level sets of an analytic function

7 votes
Accepted
+200

Properties of convolutions

4 votes
Accepted
+50

Maximize product of sums

11 votes
Accepted
+50

Does this Osgood-like condition imply continuity?

9 votes
+100

A counting problem related to twin primes

10 votes
Accepted
+50

property of convex functions

4 votes
Accepted
+50

Take a matrix with normalized rows; no column of the inverse has too large a norm

5 votes
Accepted
+50

Bounding the non-multiplicativity of isometric projection

3 votes
Accepted
+50

Upper bound of the largest eigenvalue of a PSD block matrix in terms of blocks

4 votes
Accepted
+25

Union of almost Hamming balls

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