340 reputation
820
bio website en.wikipedia.org/wiki/…
location ε-neigborgood
age
visits member for 3 years, 5 months
seen 19 hours ago

ε-δ is not my real name; I use it to ask questions and give answers which I do not want to sign.


Feb
13
awarded  Notable Question
Jan
31
comment Is any smooth homeomorphism isotopic to a smooth embedding?
@user46227, I think you should state it as a separate question (it is a good question, and I would like to know the answer myself).
Jan
30
revised Is any smooth homeomorphism isotopic to a smooth embedding?
added 71 characters in body
Jan
30
answered Is any smooth homeomorphism isotopic to a smooth embedding?
Jan
24
revised Mid point with set square?
added 196 characters in body
Jan
22
asked The cones for Bochner–Lichnerowicz–Weitzenböck formula
Jan
17
accepted Mid point with set square?
Jan
17
answered Mid point with set square?
Jan
3
awarded  Citizen Patrol
Dec
13
revised Negative pinching and Ricci flow
added 187 characters in body
Dec
11
answered How can an extremely mathematically talented young person be helped to fulfill his/her potential?
Dec
11
answered Bounding the perimeter of a geodesic triangle in spaces of non-positive curvature
Dec
10
asked Negative pinching and Ricci flow
Nov
22
awarded  Nice Question
Oct
19
awarded  Benefactor
Oct
16
accepted Nonseparable example in dimension theory?
Sep
16
accepted notation for finite sequence with one element is removed
Sep
4
accepted Solution of linear ODE
Sep
4
comment Solution of linear ODE
Thank you very much. Could you find specific reference for me?
Sep
4
comment Solution of linear ODE
@fedja and Co: I do not see how to make it more clear...