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Paglia
  • Member for 10 years, 5 months
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23 votes
3 answers
15k views

Hölder's inequality for matrices

14 votes
2 answers
1k views

Who is Petrov of the Petrov-Galerkin method?

4 votes
1 answer
624 views

Can sparse matrices satisfy the Null Space Property?

4 votes
2 answers
268 views

Can one always find sparse solutions to an $\ell^1$-minimization problem?

3 votes
1 answer
720 views

Random weighted selection without replacement

3 votes
0 answers
471 views

Formula of Laplace for the asymptotic expansion of Legendre polynomials

2 votes
2 answers
326 views

Minimum of an apparently harmless function of two variables

2 votes
0 answers
718 views

Interpolation inequality for fractional Sobolev spaces

1 vote
1 answer
123 views

Number of sets containing some given sets of fixed cardinality

1 vote
1 answer
974 views

Fourier approximation error in L^2 for piecewise continuous functions