19

Questions

54
52
votes
25
answers
6k
views

More open problems [closed]

dec 28 11 at 21:32 porton 828

28
44
votes
12
answers
4k
views

What makes four dimensions special?

may 11 12 at 16:29 Kristal Cantwell 4,0211517

25
25
votes
10
answers
2k
views

Examples of non-rigorous but efficient mathematical methods in physics

feb 15 12 at 16:26 Jamahl Peavey 256

5
24
votes
6
answers
1k
views

A series of articles should be published all in the same journal, or in different journals?

may 18 11 at 16:51 fedja 19.5k24694

5
12
votes
4
answers
937
views

How and how much do the notations and diagrams influence our understanding of mathematical concepts?

nov 12 10 at 19:23 Ben Sprott 34127

4
10
votes
4
answers
841
views

Singular semi-Riemannian Geometry: usefulness and state of the art

oct 21 at 7:15 Peter Michor 5,5771118

6
9
votes
5
answers
590
views

Can always a family of symmetric real matrices depending smoothly on a real parameter be diagonalized by smooth similarity transformations?

oct 2 at 12:18 Peter Michor 5,5771118

2
9
votes
1
answer
631
views

Interpolating between piecewise linear functions, with a family of smooth functions

aug 23 11 at 16:07 Dejan Govc 31328

5
7
votes
3
answers
484
views

Applications of visual calculus

may 13 at 9:17 Cristi Stoica 1,6981323

1
5
votes
1
answer
432
views

Cosets of groups of functions

mar 8 12 at 22:10 Will Sawin 18.7k12448

1 2 next