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Dog_69
  • Member for 5 years, 4 months
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7 votes
Accepted

Symmetrizing and Anti-Symmetrizing Tensors

4 votes

Vectors vs. Ordered Pairs

3 votes
Accepted

Differential of scalar function is a 1-Form. What for differential of vector-valued functions?

2 votes
Accepted

Differerential Forms on manifolds

2 votes
Accepted

Can you please help on the mixed tensor definition in my textbook?

2 votes

Inner Product and Norms of vectors

2 votes

How to solve $\lim\limits_{x \to -\infty } e^{x^2/(1+x)}$?

2 votes
Accepted

property about Schouten (Schouten-Nihenjuis) bracket

2 votes
Accepted

Verify the following relationship: $\nabla \cdot (a \times b) = b \cdot \nabla \times a - a \cdot \nabla \times b $

2 votes
Accepted

If $f: M \to \mathbb{R}$ is a continuous function such that all values are irrationals, then $f$ is constant whenever $M$ is connected?

2 votes

Every compact Hausdorff space can be expressed as a disjoint union of finitely many open sets.

1 vote

Is the image of a matrix Lie group under a Lie homomorphism again a Lie group?

1 vote

How to define a Weil divisor from a Cartier divisor on a variety?

1 vote
Accepted

Finding a basis for a subspace in $\mathbb{R}^2$

1 vote

Equivalence class in X as a subset of $\mathscr P(X)$

1 vote
Accepted

Expansion of the derivatives of the electric and magnetic fields

1 vote
Accepted

There exist atmost one finite field (upto isomorphism) of any given order: true or false?

1 vote

Openness of Upper Contour Set

1 vote
Accepted

Proving $d((x_1,y_1),(x_2,y_2))=\max\{d_1(x_1,x_2),d_2(y_1,y_2)\}$ and $e((x_1,y_1),(x_2,y_2))=d_1(x_1,x_2)+d_2(y_1,y_2)$ are equivalent

1 vote

Are Christoffel symbols structure coefficients?

1 vote

Understanding tensors

1 vote
Accepted

Anti-symmetric tensor of second order from a vector

1 vote
Accepted

Lie bracket as a tensor

1 vote
Accepted

Finding the f(x) in a Fourier series

1 vote
Accepted

How can i find the representative matrix of $ST$?

1 vote

If $X\subset\{\alpha:\alpha\mbox{ is an ordinal} \}$, prove that $\bigcap X\in X$

1 vote

Proof of $157$ Kelley's theorem in the appendix

1 vote

Proving product rule identity using index notation

1 vote

Simplifying exponential fraction

1 vote

wedge product of differential forms.