user500094
  • Member for 4 years, 2 months
  • Last seen more than 2 years ago
2 answers
7 votes
208 views
3 bookmarks
Need to show that $\int_a ^b f(x)g(x)dx=0 \implies f\equiv 0$
0 answers
6 votes
2k views
3 bookmarks
Bijective local diffeomorphism is a diffeomorphism
1 answers
5 votes
421 views
3 bookmarks
Inverse of a map $T_{(p,q)}(X \times Y) \to T_p X \times T_p Y$
0 answers
5 votes
300 views
2 bookmarks
If $f$ preserves orientation locally, then $f$ preserves orientation globally
1 answers
4 votes
794 views
1 bookmarks
When is the intersection of the hyperboloid with the sphere transverse?
1 answers
4 votes
971 views
1 bookmarks
Hyperboloid is a manifold
1 answers
4 votes
265 views
Definition of the preimage orientation
2 answers
4 votes
122 views
$\chi(X\times Y)=\chi(X)\cdot\chi(Y)$
1 answers
3 votes
879 views
Guillemin-Pollack: application of the Transversality Theorem
1 answers
3 votes
99 views
Changing the fiber in vector bundles
0 answers
3 votes
80 views
On the flow of $v(x,y)=(x,y)$ and the Lefschetz number
1 answers
3 votes
209 views
The boundary orientation coincides with the preimage orientation
0 answers
3 votes
71 views
An example of the boundary orientation of $I\times X$ from Guillemin-Pollack
0 answers
3 votes
154 views
1 bookmarks
Guillemin-Pollack Exercise 1.5.3: Normal Intersections
0 answers
3 votes
123 views
The notion of a smooth function on a manifold in Guillemin and Pollack
1 answers
3 votes
1k views
2 bookmarks
The graph of a smooth map is a manifold
1 answers
3 votes
771 views
Smooth maps on subsets of $\mathbb R^n$
1 answers
3 votes
377 views
Baby Rudin Exersise 6.3(a)
1 answers
3 votes
177 views
Action of $S_3$ on a set of subsets
1 answers
2 votes
230 views
2 bookmarks
Local coordinate systems in Guillemin and Pollack
0 answers
2 votes
84 views
An orientation on $\Lambda^k (V^\ast)$ defines an orientation on $V$
0 answers
2 votes
94 views
Definition of the tangent bundle in Guillemin and Pollack
1 answers
2 votes
117 views
Surgery on $S^3$
1 answers
2 votes
177 views
Guillemin-Pollack: "Moebius strip is not orientable"
0 answers
2 votes
125 views
'Projectivization' of a map, or applying the preimage theorem to a projective variety
1 answers
2 votes
423 views
Transversal Intersections - Some Examples
0 answers
2 votes
173 views
Differential of the product map
1 answers
2 votes
90 views
2 bookmarks
Differential of a smooth extension of a map
0 answers
2 votes
463 views
1 bookmarks
GP $1.2.11(b)$: Tangent space to the graph of a smooth function
1 answers
2 votes
529 views
Characterization of the tangent space in terms of velocity vectors