New posts in vector-spaces

What is $\dim_K K[X,Y]/\frak{m}^n$, where $\frak{m}$ $= (X-a,Y-b)$?

abstract-algebra polynomials vector-spaces

What is the meaning of the Riesz's lemma?

general-topology functional-analysis vector-spaces

Prove that $\dim(U) - \dim (V) + \dim(W) - \dim(X) = 0$

linear-algebra vector-spaces linear-transformations

Difference between Euclidean space and vector space?

vector-spaces euclidean-geometry 3d

$F \le E$ extension. every element $\alpha \in E - \overline{F}_E$ over $\overline{F}_E$ transcendental

abstract-algebra vector-spaces extension-field

Find a basis of the $k$ vector space $k(x)$ [duplicate]

linear-algebra abstract-algebra vector-spaces

Basis of a polynomial ring over the field of Rationals

linear-algebra polynomials vector-spaces hamel-basis

Why is this called the orthogonal projection of $u$ on $W$ if $proj_Wu$ is not orthogonal to $u$?

linear-algebra vector-spaces vectors

Dimension of the vector space of homogeneous polynomials

linear-algebra polynomials vector-spaces

Finding rotation axis and angle to align two 3D vector bases

linear-algebra vector-spaces rotations

Modeling numbers with vectors of vectors?

vector-spaces prime-numbers axioms surreal-numbers

If a set of vector fails to have an additive identity, can it still have an additive inverse?

vector-spaces

What might be the definition of a positively oriented chart in From Calculus to Cohomology?

linear-algebra general-topology multivariable-calculus differential-geometry vector-spaces

A union of two subspaces not equal to the vector space. [duplicate]

linear-algebra vector-spaces

What is the relation between dual spaces and inner product?

linear-algebra functional-analysis vector-spaces inner-products duality-theorems

$(U\cap W)^0 = U^0 + W^0$

linear-algebra vector-spaces

Prove that the set of skew-symmetric matrices is closed under addition

matrices vector-spaces skew-symmetric-matrices

What do groups and rings "look like"?

abstract-algebra vector-spaces soft-question intuition

Finding Rotation Axis and Angle to Align Two "Oriented Vectors"

vector-spaces 3d rotations

Calling a space a set - abuse of terminology?

vector-spaces metric-spaces terminology machine-learning