New posts in matrices

What are mandatory conditions for a family of matrices to commute?

linear-algebra matrices

Eigenvalues and determinant of conjugate, transpose and hermitian of a complex matrix.

linear-algebra matrices

Proof that $U(n)$ is connected

general-topology group-theory matrices lie-groups connectedness

Determinant of a nilpotent matrix

matrices determinant

Techniques for showing that a subgroup is not normal

linear-algebra abstract-algebra matrices group-theory linear-groups

Trace of Matrix Exponential closed form expression

matrices matrix-exponential

Let$A$ be a $3\times3$ real symmetric matrix such that $A^6=I$ . Then $A^2=I$

linear-algebra matrices symmetric-matrices

Anti-commutative matrices

linear-algebra matrices trace

How to check if a matrix is positive definite

What are the one-parameter subgroups of GL?

abstract-algebra group-theory matrices reference-request lie-groups

Are matrices which yield a given characteristic polynomial and have specified structure connected?

linear-algebra general-topology matrices polynomials connectedness

constructive canonical form of orthogonal matrix

linear-algebra matrices numerical-methods orthogonal-matrices constructive-mathematics

Linear independence of linear combinations

linear-algebra matrices

If a symmetric matrix commutes with all symmetric matrices, is it then a multiple of the identity?

linear-algebra abstract-algebra matrices vector-spaces linear-transformations

Is $[X,Y] \neq 0$ the sufficient condition of $e^{X+Y} \neq e^Xe^Y$?

Is there a way to extract the diagonal from a matrix with simple matrix operations

Solving non square matrix equations

linear-algebra matrices matrix-equations

left and right eigenvalues

matrices eigenvalues-eigenvectors

A matrix w/integer eigenvalues and trigonometric identity

matrices trigonometry eigenvalues-eigenvectors boolean-algebra natural-numbers

How to find closest positive definite matrix of non-symmetric matrix

matrices convex-optimization