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nonlinearism
  • Member for 11 years, 5 months
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  • Cambridge,MA
4 votes
2 answers
3k views

Geometric proof of rotational invariance of Laplacian

1 vote
2 answers
767 views

Inner product space and Reversible Markov chain

2 votes
2 answers
368 views

Uniform grid on a disc

0 votes
1 answer
277 views

Consequence of injectivity of projections from covering spaces

11 votes
1 answer
5k views

Wedge product $S^1 \vee S^2$

10 votes
1 answer
1k views

Retract and Homotopy extension property

4 votes
2 answers
2k views

Disc with two points identified

3 votes
0 answers
2k views

Fundamental group of two 2-spheres attached at a point

5 votes
0 answers
426 views

Rewriting the advection-diffusion equation

3 votes
2 answers
190 views

On a theorem on Lie derivatives