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List Question

A symmetric matrix that is similar to a diagonal matrix

Show that a matrix A above the R field is congruent to itself squared iff A is non-negative

Interpretation of *congruence for complex matrices

Matrix Congruence and Quadratic Forms

Congruence Classes of Quadratic Forms

Why is the first $p$-adic congruence subgroup a pro-$p$ group?

Matrix congruence - find transition matrix

Congruence of skew-symmetric matrices

Some clarification over matrix congruence, matrix similarity, and the (finite-dim) spectral theorem

How can I tell if these matrices are congruent?

Determinant of $ADA^\top$, where $D$ is diagonal and $A$ is wide

Change basis so that a positive definite matrix $A$ is now seen as $I$.

What is the Lie group that leaves this matrix invariant?

Is the inverse of a M-Matrix again an M-Matrix?

Eigenvalues and eigenvectors after a congruence transformation

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