TCL's user avatar
TCL's user avatar
TCL's user avatar
TCL
  • Member for 13 years, 4 months
  • Last seen more than 9 years ago
20 votes
4 answers
9k views

For which $c$ is $\mathbb{Z}[\sqrt{c}]$ a unique factorization domain? a Euclidean domain?

10 votes
4 answers
1k views

Geodesic path on the unit sphere with the sup norm

7 votes
1 answer
359 views

Nonexpansive multi-valued maps in $\ell^2$

4 votes
1 answer
2k views

Characterizations of a linear subspace associated with Fourier series

4 votes
2 answers
392 views

Hypergeometric identities

3 votes
1 answer
387 views

A series question related to solution of Laplace equation

3 votes
7 answers
1k views

Continuous or analytic functions with this property of sinc function

2 votes
1 answer
860 views

Geometry of the Hilbert sphere

1 vote
1 answer
227 views

Double series solution of wave equation