List questions from hermitian-matrices

Published on 04 Jun 2013 - 20:02

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proof that a matrix $M$ is positive definite iff all its eigenvalues are strictly positive.

Published on 10 Oct 2017 - 17:24

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Intuitive explanation of a positive semidefinite matrix

Published on 10 Nov 2010 - 20:17

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Matrices which are both unitary and Hermitian

Published on 26 Mar 2026 - 9:26

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Properties of zero-diagonal symmetric matrices

Published on 07 Nov 2011 - 6:52

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Understanding Cauchy-Schwarz inequality for matrices

Published on 11 Nov 2011 - 1:16

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What is a basis for the space of $n\times n$ Hermitian matrices?

Published on 14 Dec 2011 - 22:20

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Eigenvalues of certain block Hermitian matrix

Published on 25 Jun 2012 - 13:17

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Generating random commuting hermitian matrices

Published on 03 Dec 2012 - 19:52

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Positive definite matrix must be Hermitian

Published on 29 Dec 2012 - 21:39

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If $A$ is a normal matrix such that $A^{247} = A^{246}$, how to prove that $A$ is an orthogonal projection?

Published on 10 Aug 2020 - 5:01

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Adjoint mapping for matrices

Published on 11 Aug 2020 - 7:35

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Are all similar Hermitian matrices unitarily similar?

Published on 25 Mar 2026 - 17:38

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An inequality about the Frobenius norm of the difference of two Hermitian matrices

Published on 22 Aug 2020 - 14:47

87

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True/False question about Hermitian matrices with only real eigenvalues.

Published on 24 Aug 2020 - 18:31

List Question

How to prove this inequality for determinant of Hermitian block matrix?

proof that a matrix $M$ is positive definite iff all its eigenvalues are strictly positive.

Intuitive explanation of a positive semidefinite matrix

Matrices which are both unitary and Hermitian

Properties of zero-diagonal symmetric matrices

Understanding Cauchy-Schwarz inequality for matrices

What is a basis for the space of $n\times n$ Hermitian matrices?

Eigenvalues of certain block Hermitian matrix

Generating random commuting hermitian matrices

Positive definite matrix must be Hermitian

If $A$ is a normal matrix such that $A^{247} = A^{246}$, how to prove that $A$ is an orthogonal projection?

Adjoint mapping for matrices

Are all similar Hermitian matrices unitarily similar?

An inequality about the Frobenius norm of the difference of two Hermitian matrices

True/False question about Hermitian matrices with only real eigenvalues.

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