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BigM
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4 votes
0 answers
175 views

Characterization of geodesic balls

1 vote
0 answers
170 views

Schrodinger and Laplace operators with infinitely many common eigenvalues

1 vote
0 answers
134 views

An optimization problem for one- dimensional Schrodinger operator

6 votes
1 answer
290 views

Idempotent functions on Sp(1)

2 votes
0 answers
277 views

Asymptotics of Littlewood polynomials

17 votes
1 answer
1k views

A conjecture of Littlewood

4 votes
1 answer
149 views

Energy in doubling measure metric spaces

1 vote
0 answers
400 views

How to construct Følner sequences?

2 votes
1 answer
322 views

Lebesgue measure of the set $\frac{1+x}{1+y}$ with $x,y$ in a fat Cantor

3 votes
0 answers
316 views

Best constant for maximal function for locally compact groups

5 votes
1 answer
231 views

certain smoothness of principal eigenvalue of Dirichlet Laplacian on polygons

2 votes
1 answer
100 views

Universal constant for reverse inequality between first eigenvalues of Neumann and Dirichlet problems

2 votes
0 answers
148 views

Inequalities concerning principal eigenvalues of Laplacian with different boundary conditions

2 votes
1 answer
193 views

Regularity of solutions to certain integral equation

5 votes
0 answers
157 views

A conjecture on shape optimization for Dirichlet-Laplacian

0 votes
0 answers
101 views

"increasing" the logarithmic energy of certain measures

31 votes
1 answer
2k views

A long-lasting conjecture of Pólya & Szegő

1 vote
1 answer
121 views

Visualization of non-Smirnov domains

0 votes
1 answer
228 views

Continuity of the largest eigenvalue with respect to length

3 votes
0 answers
246 views

Inverse problem for negative moments

4 votes
2 answers
349 views

Extending inequality for $\ell^p$ from integer $p$ to real $p$

7 votes
1 answer
439 views

Progress on isospectral plane domains

3 votes
2 answers
938 views

Can one hear the shape of a drum for operators?

1 vote
1 answer
77 views

Quadrature formula for singular integrals over rectangular cuboids

2 votes
0 answers
77 views

Regarding a result of I.Vekua on integral equations of first kind

0 votes
1 answer
285 views

Schatten $p$-classes for small $p$

0 votes
1 answer
249 views

Positivity of logarithmic energy of certain measures

1 vote
2 answers
567 views

Certain inverse problem related to moments

3 votes
1 answer
226 views

Quadrature domains for arc length

4 votes
1 answer
267 views

Extension of solutions of PDEs with constant coefficients