List questions from matrices

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Short way for upper triangularization

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Prove submultiplicativity property for this matrix norm

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Does entry-wise non-negativity imply positive semidefiniteness?

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Can we find a basis $B$ of $M$ such that $|B|=1$?

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Minima of a sum of matrix norms $||T^{-1}AT||_F + ||T^{-1}BT||_F$

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Is it true that $(A + \epsilon B)^{-1} \cdot \epsilon v = \epsilon A^{-1}v + o(\epsilon)$ as $\epsilon \to 0$?

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Power of involutory and special orthogonal matrix

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Find the transition matrix for a six-sided die

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Identify some Coxeter group

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Eigenvalues and eigenvectors for 0<p<1

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Find an orthogonal set of eigenvectors

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The linear system $Bx = b$ is consistent $\iff$ $BB^Tx = b$ is consistent

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Eigenvalues of a block circulant matrix

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Find the value of $\vec{x}$ which minimises $\frac{|\vec{y}|^2}{|\vec{x}|^2}$ when $\vec{y}=A\vec{x}$

Published on 26 Mar 2026 - 11:04

List Question

Polar Decomposition in Real Algebraic Groups

Short way for upper triangularization

Prove submultiplicativity property for this matrix norm

Does entry-wise non-negativity imply positive semidefiniteness?

Can we find a basis $B$ of $M$ such that $|B|=1$?

Minima of a sum of matrix norms $||T^{-1}AT||_F + ||T^{-1}BT||_F$

Is it true that $(A + \epsilon B)^{-1} \cdot \epsilon v = \epsilon A^{-1}v + o(\epsilon)$ as $\epsilon \to 0$?

Power of involutory and special orthogonal matrix

Find the transition matrix for a six-sided die

Identify some Coxeter group

Eigenvalues and eigenvectors for 0<p<1

Find an orthogonal set of eigenvectors

The linear system $Bx = b$ is consistent $\iff$ $BB^Tx = b$ is consistent

Eigenvalues of a block circulant matrix

Find the value of $\vec{x}$ which minimises $\frac{|\vec{y}|^2}{|\vec{x}|^2}$ when $\vec{y}=A\vec{x}$

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