6

Questions

3
2
votes
2
answers
527
views

Linear transformation takes a polygon to another one.

dec 30 at 13:25 woodbass 25916

7
14
votes
3
answers
1k
views

Conjectures in Grothendieck’s “Pursuing stacks”

dec 10 at 15:49 Jonathan Chiche 1,4111716

 
2
votes
0
answers
639
views

Automorphisms of projective space [closed]

dec 4 10 at 1:41 Adeel 366316

2
2
votes
2
answers
565
views

Projective transformation between polygons.

jul 27 10 at 1:36 Per Vognsen 1,041515

3
2
votes
1
answer
2k
views

Examples of computing Ext and Tor functors?

jul 6 10 at 3:51 Sean Tilson 2,362924

 
3
votes
1
answer
133
views

Coinciding induced maps

may 17 10 at 8:11 Torsten Ekedahl 17.9k14268