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Henry T. Horton
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Jul
11
comment
Euler Class of a vector field
Just take the Euler class of the orthogonal $2$plane field in $TM$, oriented with respect to $X$ by the righthand rule. I think this question is more suitable for math.stackexchange.com.
May
11
awarded
Electorate
May
11
answered
A question on existence of $Spin^c$structure $P\to M$
May
8
comment
How to prove this Weitzenbock formula?
Does this not follow from equation (4.14) on the previous page, which is Lemma 6.1.7 of DonaldsonKronheimer?
Apr
1
answered
Connection on canonical $\operatorname{Spin}^\mathbb{C}$ spinor bundle on symplectic manifold
Feb
24
answered
BakryEmery Laplacian and Hodge Decomposition
Feb
13
awarded
Yearling
Jan
20
awarded
Enlightened
Jan
20
awarded
Nice Answer
Jan
20
awarded
Nice Answer
Jan
20
answered
Construction of the Casson invariant
Jan
3
reviewed
No Action Needed
Getting the story of Dynkin and Satake diagrams straight
Nov
27
revised
How many ways we have to prove that a topologically (or analytically) nice mapping is injective?
Fixed formatting
Nov
27
suggested
approved edit
on
How many ways we have to prove that a topologically (or analytically) nice mapping is injective?
Nov
19
answered
Uniqueness on square root of complex Line Bundle
Oct
25
comment
Analytic stuctures on $\mathbb R^n$ and the nilpotent ideal of supermanifolds
Michael Freedman found the first exotic $\Bbb R^4$ in 1982. As far as I know Milnor never did any work on exotic $\Bbb R^4$'s.
Sep
30
awarded
Caucus
Sep
14
awarded
Deputy
Sep
11
reviewed
Reviewed
Can repunits be perfect cubes?
Sep
10
reviewed
No Action Needed
“Small” subfields of algebraically closed fields
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