User js21

13 votes

1 answer

545 views

Square of a continuous map

asked Mar 24, 2012 at 5:39

13 votes

1 answer

632 views

If each strict subgroup of G is free, must G be free or cyclic of prime order ?

asked Oct 3, 2012 at 16:31

11 votes

5 answers

4k views

Applications of Liouville's theorem

asked Jun 27, 2012 at 8:00

10 votes

2 answers

2k views

Prime numbers in arithmetic progressions : uniformity with respect to the modulus

asked Mar 2, 2012 at 22:12

8 votes

1 answer

524 views

When does the doubling map preserve measure ?

asked Feb 27, 2012 at 19:18

8 votes

2 answers

464 views

Direct proof of "K is projective iff C(K) has the Hahn-Banach property" ?

asked Nov 1, 2012 at 18:39

7 votes

0 answers

447 views

Closed form evaluation of the sum of the Legendre symbol over an interval ?

asked Sep 4, 2012 at 15:47

7 votes

3 answers

413 views

Covering a (hyper)cube with lines

asked Jun 20, 2012 at 6:52

6 votes

1 answer

713 views

Characteristic polynomial of a generic n*n matric

asked May 18, 2012 at 18:27

5 votes

1 answer

201 views

A question on minimal idempotent ultrafilter on N^2

asked Oct 7, 2012 at 13:47

5 votes

0 answers

299 views

Do tuples of pairwise commuting matrices form a variety?

asked Sep 28, 2013 at 11:31

5 votes

0 answers

250 views

A question on symmetric functions

asked Apr 8, 2016 at 14:51

5 votes

0 answers

204 views

Where can I find Andre's "Cinq exposés sur la désingularisation"?

asked May 16, 2016 at 10:18

4 votes

0 answers

130 views

A right adjoint to the truncated Witt functor?

asked Jul 20, 2016 at 14:29

4 votes

1 answer

714 views

A reference for this possibly well-known fact concerning the Kakeya conjecture?

asked Jul 24, 2013 at 15:49

4 votes

0 answers

158 views

Does this construction yield an injective hull ?

asked Nov 22, 2012 at 12:56

4 votes

1 answer

425 views

Ring structrures on R^n

asked May 21, 2012 at 19:19

4 votes

2 answers

660 views

Emptyness of a projective variety

asked Apr 22, 2012 at 11:26

3 votes

1 answer

261 views

Does the "measure-preserving property" commute with ultralimits ?

asked May 10, 2012 at 10:35

3 votes

1 answer

133 views

A recurrent sequence related to the Brouwer fixed-point theorem

asked Jun 26, 2013 at 16:13

3 votes

0 answers

426 views

p-adic etale cohomology

asked Jul 19, 2014 at 7:41

2 votes

0 answers

95 views

Is the positive part of an algebraic bilateral p-adic convergent power series algebraic?

asked Apr 4, 2016 at 9:57

2 votes

0 answers

134 views

When does effective descent of modules hold?

asked May 26, 2016 at 14:22

2 votes

1 answer

507 views

Classification of pairs of commuting endomorphisms

asked Aug 29, 2013 at 17:36

1 vote

0 answers

142 views

Is semistability of smooth Weil sheaf preserved under tensor product?

asked Apr 24, 2014 at 14:42

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25 Questions

Square of a continuous map

If each strict subgroup of G is free, must G be free or cyclic of prime order ?

Applications of Liouville's theorem

Prime numbers in arithmetic progressions : uniformity with respect to the modulus

When does the doubling map preserve measure ?

Direct proof of "K is projective iff C(K) has the Hahn-Banach property" ?

Closed form evaluation of the sum of the Legendre symbol over an interval ?

Covering a (hyper)cube with lines

Characteristic polynomial of a generic n*n matric

A question on minimal idempotent ultrafilter on N^2

Do tuples of pairwise commuting matrices form a variety?

A question on symmetric functions

Where can I find Andre's "Cinq exposés sur la désingularisation"?

A right adjoint to the truncated Witt functor?

A reference for this possibly well-known fact concerning the Kakeya conjecture?

Does this construction yield an injective hull ?

Ring structrures on R^n

Emptyness of a projective variety

Does the "measure-preserving property" commute with ultralimits ?

A recurrent sequence related to the Brouwer fixed-point theorem

p-adic etale cohomology

Is the positive part of an algebraic bilateral p-adic convergent power series algebraic?

When does effective descent of modules hold?

Classification of pairs of commuting endomorphisms

Is semistability of smooth Weil sheaf preserved under tensor product?