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Uday's user avatar
Uday's user avatar
Uday
  • Member for 14 years, 5 months
  • Last seen more than 4 years ago
  • India
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16 Questions

Score Activity Newest Views
25 votes
16 answers
4k views

functions satisfying "one-one iff onto"

24 votes
3 answers
4k views

Self-dual normed spaces which are not Hilbert spaces

23 votes
8 answers
8k views

Grothendieck on topological vector spaces

11 votes
4 answers
1k views

Orthogonality in non-inner product spaces

11 votes
2 answers
1k views

Why take 'complex powers' of pseudo-differential operators?

9 votes
1 answer
4k views

What is the 'non-intuitive' part in sphere eversion (turning inside out)?

7 votes
1 answer
870 views

Pseudo-differential operators which are independent of lower order perturbations

6 votes
2 answers
421 views

Triangularizing a matrix with function entries

5 votes
2 answers
852 views

Optimization version of the Sylvester equation

5 votes
5 answers
3k views

Easy and Hard problems in Mathematics [closed]

4 votes
3 answers
2k views

Sobolev embedding proof without Gagliardo–Nirenberg–Sobolev inequality or Morrey's inequality

4 votes
2 answers
248 views

second order operator with real coefficients and not locally solvable

3 votes
2 answers
221 views

a question about first-order hyperbolic equations

3 votes
2 answers
186 views

Triangularizing a function matrix with smooth eigenvlaues

2 votes
1 answer
446 views

Example for pairwise triangularizable but not all three.

2 votes
2 answers
1k views

Game on undirected graphs