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0 votes
0 answers
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Strong convergence of a sequence in $L^2((0,T); H^{s,2}(\Omega)) \cap C([0,T];H^{-s,2}(\Omega))$, $0<s<1$

3 votes
1 answer
338 views

Concentration inequality for norm of solution to nonlinear least-squares problem

2 votes
0 answers
22 views

Hilbert's Satz 90 for real simply-connected groups?

2 votes
0 answers
15 views

Optimal transport plan induced by an optimal transport map

3 votes
1 answer
249 views

How to settle continuum hypothesis like questions for impure sets?

5 votes
1 answer
143 views

Solution to the Eikonal equation with almost everywhere continuous derivative

5 votes
1 answer
406 views

Tangent cones at zero and infinity to minimal surfaces

2 votes
0 answers
61 views

When does a local supermartingale become a supermartingale?

7 votes
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175 views

Finite p-group $G$ of exponent $>p$ with all elements outside $\Phi(G)$ of order $p$

7 votes
2 answers
297 views

Irreducible tensor product representations in finite simple groups

-3 votes
2 answers
101 views

Problem hard to resolved, with an answer easy to understand

63 votes
8 answers
6k views

Two (probably) equal real numbers which are not proved to be equal?

3 votes
1 answer
66 views

Uncountable collections of distinct subsets of an interval (existence)

4 votes
1 answer
99 views

What is known about the theory of natural numbers with only 0, successor and max?

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