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an_ordinary_mathematician
  • Member for 4 years, 2 months
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7 votes

Is $\frac{|t|}{e^{a|t|}-e^{-b|t|}}$ the Fourier transform of a positive function

5 votes
Accepted

Is Toeplitz operator on the Bergman space bounded iff its symbol is bounded?

5 votes
Accepted

Macroscopic sets - a notion of largeness for Lebesgue null sets

5 votes

Does this integral condition characterize $L^\infty$?

4 votes

$L^p$ domination of mixed partial derivatives of the 3rd order by the unmixed ones?

4 votes
Accepted

Proof of a discrete isoperimetric inequality

4 votes
Accepted

Is the spectrum of a "self adjoint" operator real on $\ell^p$?

4 votes
Accepted

Are these two norms on localized versions of $L^p_q$ equivalent?

4 votes

Integral means vs infinite convex combinations

4 votes
Accepted

Extracting a subsequence Cesàro converging to the limsup of the Cesàro sums

3 votes

$L^p$ domination of mixed partial derivatives by the unmixed ones?

3 votes
Accepted

Leibniz rule for square root of Laplacian

3 votes
Accepted

Is the local maximal function bounded from $W^{1, 1}$ to $L^1$?

2 votes
Accepted

Criteria for Hardy space membership

2 votes
Accepted

weakly separated sequences in RKHS are separated by Gleason metric

2 votes

An "obvious" probability lemma about random words

2 votes

What are examples of good toy models in mathematics?

2 votes

Examples of theorems where numerical bounds on $\pi$ played a role

1 vote
Accepted

Equivalent condition for the Pick matrix being positive semidefinite

1 vote
Accepted

A counterexample showing $BV_p \neq AC_p$

1 vote
Accepted

Orthonormal bases in RKHSs via interpolating sequences

1 vote

Pair of positive harmonic functions with negative inner product in Drury-Arveson space

1 vote

$L^2$ space of Hilbert-Schmidt operator valued functions

1 vote

Fourier series but different waveform

1 vote

Examining the Hilbert transform of functions over the positive real line

0 votes
Accepted

Isoperimetric inequality for analytic functions on an annulus

0 votes

Results of invertibility of a matrix involving the Szego kernel