New posts in vector-spaces

Proving that $\operatorname{trace}(T) =\langle Te_1,e_1\rangle +\cdots+\langle Te_n,e_n\rangle $?

How do I see that every left ideal of a square matrix ring over a field is principal?

Proof that multiplying by the scalar 1 does not change the vector in a normed vector space.

When solving for eigenvector, when do you have to check every equation?

Precedence of cross product and dot product

Basis for the subspace constituted by the intersection of two planes

Vectors, Basis, Dual Vectors, Dual Basis and Tensors

Why is it bad to pick basis for a vector space?

Relation between Interior Product, Inner Product, Exterior Product, Outer Product..

Non-degenerate symmetric bilinear form; dimension formulae.

How to find a linearly independent vector?

Explanation of a question

Isomorphism of Vector spaces over $\mathbb{Q}$

Orthogonal complement in a finite field ${\mathbb Z}^{n}_{q}$

How to show two infinite-dimensional vector spaces are not isomorphic

Positivity of the alternating sum associated to at most five subspaces

Image of unit ball dense under continuous map between banach spaces

If $X$ is infinite dimensional, all open sets in the $\sigma(X,X^{\ast})$ topology are unbounded.

What is the relationship between $(u\times v)\times w$ and $u\times(v\times w)$?

Dimension of Annihilator: $\text{dim} \, U^0 + \text{dim} \, U = \text{dim} \, V$