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user175348
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27 votes
1 answer
3k views

Definitions of real reductive groups

12 votes
1 answer
617 views

What are the simple Lie superalgebras of type E?

12 votes
2 answers
598 views

Smallest family of subsets that generates the discrete topology

8 votes
2 answers
1k views

Hermitian matrices with prescribed number of positive and negative eigenvalues

7 votes
1 answer
473 views

Does a birational involution of C^n always have a fixed point?

5 votes
2 answers
736 views

Is there a name for this algebraic structure?

3 votes
2 answers
488 views

Submanifolds lying on the boundary of a convex domain

2 votes
2 answers
225 views

Simultaneous convergence of powers of unit complex numbers

1 vote
0 answers
84 views

Finite dimensional consistently graded Lie superalgebras of depth greater than 2