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PPR
  • Member for 11 years, 3 months
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14 votes
1 answer
488 views

Lower Bound on Oscillatory Integral

12 votes
1 answer
12k views

A general element of U(2)

11 votes
1 answer
2k views

Feynman Parameters

11 votes
1 answer
370 views

How to solve this system of ODEs

10 votes
3 answers
847 views

Definition of Category

9 votes
2 answers
719 views

Product of Compactly Generated and Locally Compact is Compactly Generated

7 votes
2 answers
2k views

Isolated Eigenvalue

7 votes
1 answer
479 views

Part of Lomonosov's Invariant Subspace Theorem

7 votes
3 answers
274 views

In the definition of a functor, why is it necessary that $F(id_{A})=id_{F(A)}$?

6 votes
1 answer
427 views

Discontinuous for rationals

6 votes
0 answers
390 views

Note-taking software which is capable of representing mathematical relation

6 votes
2 answers
538 views

Jacobian for polar decomposition

6 votes
2 answers
708 views

Prove Operator is a Projector

5 votes
0 answers
757 views

Clifford Algebra Isomorphic to Exterior Algebra

5 votes
2 answers
234 views

Question about convergence of series if $\{n a_n\} \to 0$

5 votes
0 answers
270 views

Hermitian Matrices with At Most Pair-wise Eigenvalue Degeneracy

4 votes
0 answers
350 views

Continuous Functor on Vector Spaces induces Functor on Vector Bundles

4 votes
1 answer
2k views

Unbounded Operator of Finite Rank

4 votes
1 answer
2k views

Christoffel Symbols as Tensors

4 votes
0 answers
162 views

Product of Elements in SU(2)

4 votes
0 answers
227 views

Functional Extremum

4 votes
1 answer
1k views

Definition of $\pi_0$

4 votes
1 answer
492 views

Conclusion about measurable functions from knowledge about continuous functions

4 votes
1 answer
2k views

Lie Bracket of Lie Algebra Associated with Given Lie Group

4 votes
1 answer
247 views

Projection Lemma for Hilbert C-star modules

4 votes
1 answer
352 views

Atiyah–Jänich for $K_1$

3 votes
1 answer
395 views

Convergence in trace-class norm

3 votes
2 answers
379 views

$[\mathbb{T}^2,X]$ calculation: Request for Reference and check proof

3 votes
1 answer
488 views

Chern Classes via Grassmannians

3 votes
1 answer
279 views

Find Greens function associated with quadratic form

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