kid111's user avatar
kid111's user avatar
kid111's user avatar
kid111
  • Member for 2 years, 3 months
  • Last seen this week
5 votes
1 answer
149 views

Is the polar decomposition of a product the product of polar decompositions?

4 votes
1 answer
132 views

Calculation on Riemannian manifolds

3 votes
1 answer
94 views

Cup product pairing is nonsingular for closed R orientable manifolds when R = Z and torsion in $H^∗(M;Z)$ is factored out?

3 votes
1 answer
103 views

What do these alternative formulations of the second Borel-Cantelli lemma (Durrett theorem 4.3.4 and 4.5.5) say?

2 votes
1 answer
167 views

Are all matrix groups Lie groups?

2 votes
1 answer
37 views

Natural map from suspension of loop induces epimorphism on cohomology?

2 votes
1 answer
87 views

Products $s\wedge t$ generate $C_.^\infty(M,E\otimes F)$?

1 vote
1 answer
110 views

show $\int_\mathbb{R} \frac{1}{\pi(1+x^2)}dx=1$

1 vote
1 answer
74 views

Different notions of connection?

1 vote
0 answers
36 views

One formula for Hermitian form

1 vote
2 answers
167 views

Why a submanifold is an open subset of its closure?

1 vote
0 answers
160 views

Can I extend any integral curve to a maximal integral curve?

1 vote
1 answer
86 views

Why could we use the complex basis for the cotangent space and what does Cauchy Integral Formula in this basis say?

1 vote
0 answers
73 views

Existence of coframe for Hermitian metric on complex manifold?

1 vote
0 answers
41 views

Mayer-Vietoris Exact Sequence for Whitehead groups and projective module groups

0 votes
1 answer
135 views

Does $\sqrt{2\pi n} P(S_n =k)\to \exp(-x^2/2)$?

0 votes
0 answers
24 views

tensor product of exterior algebras isomorphic to another exterior algebra

-2 votes
1 answer
76 views

Decomposing a matrix into elementary matrices [closed]