User MathIsArt

1 vote

2 answers

983 views

Does the covariant derivative commute with the variational derivative?

asked Jan 20, 2018 at 21:48

1 vote

2 answers

566 views

Is every multilinear map expressible as a tensor in the tensor product space?

asked Jun 7, 2017 at 17:00

3 votes

1 answer

419 views

Under what conditions can one glue together local diffeomorphisms?

asked Aug 16, 2018 at 0:17

1 vote

1 answer

406 views

When is the lifting correspondence an isomorphism of groups?

asked Aug 4, 2017 at 0:55

6 votes

1 answer

247 views

Coordinate-free Calculus of Variations?

asked Jan 3, 2018 at 0:33

5 votes

3 answers

213 views

Can you distinguish topological properties of (sub)spaces by embedding them in an ambient space?

asked Jul 21, 2017 at 18:40

2 votes

0 answers

179 views

Why does $\nabla f$ get a "contravariant" index?

asked Nov 28, 2017 at 16:53

1 vote

1 answer

124 views

Geometric interpretation of contraction between second fundamental form and function gradient?

asked Oct 13, 2018 at 22:00

2 votes

1 answer

99 views

Existence of absolutely continuous measures

asked May 29, 2017 at 18:21

1 vote

1 answer

88 views

degeneracy of even-dimensional "pullback" of symplectic form

asked Feb 9 at 5:53

5 votes

1 answer

77 views

Pointwise equality of codimension-zero immersions

asked Jul 21, 2021 at 15:58

0 votes

1 answer

72 views

A (probably easy) question about exchanging the order of this double sum

asked Jan 8, 2019 at 6:05

2 votes

0 answers

66 views

Integral of a complicated rational function

asked Jan 11, 2019 at 3:54

0 votes

0 answers

60 views

How does a linear operator having constant eigenvalues imply integrability of its eigenvector distribution?

asked Oct 20, 2019 at 0:32

0 votes

0 answers

59 views

Question about asymptotic integral expansion. Reference?

asked Jan 21, 2019 at 21:49

0 votes

0 answers

32 views

What does it mean when a series expansion has increasing negative order in epsilon as epsilon approaches 0?

asked Jan 22, 2019 at 18:11

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16 Questions

Does the covariant derivative commute with the variational derivative?

Is every multilinear map expressible as a tensor in the tensor product space?

Under what conditions can one glue together local diffeomorphisms?

When is the lifting correspondence an isomorphism of groups?

Coordinate-free Calculus of Variations?

Can you distinguish topological properties of (sub)spaces by embedding them in an ambient space?

Why does $\nabla f$ get a "contravariant" index?

Geometric interpretation of contraction between second fundamental form and function gradient?

Existence of absolutely continuous measures

degeneracy of even-dimensional "pullback" of symplectic form

Pointwise equality of codimension-zero immersions

A (probably easy) question about exchanging the order of this double sum

Integral of a complicated rational function

How does a linear operator having constant eigenvalues imply integrability of its eigenvector distribution?

Question about asymptotic integral expansion. Reference?

What does it mean when a series expansion has increasing negative order in epsilon as epsilon approaches 0?