List questions from hermitian-matrices

Published on 13 Apr 2026 - 11:58

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Is the log norm square of a holomorphic function plurisubharmonic?

Published on 12 Apr 2026 - 14:27

39

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Spectral coordinates on Hermitian matrices

Published on 14 Apr 2026 - 1:06

81

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Rayleigh quotient of a vector permutation

Published on 14 Apr 2026 - 15:38

1k

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How to prove Projection operators are Hermitian/positive?

Published on 10 Apr 2026 - 9:47

178

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How can I make an idempotent projection to an Hermitian operator in a Hilbert space?

Published on 10 Apr 2026 - 2:51

44

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Proving $| \text{Tr}[AB] | \leq \text{Tr}[ |AB| ]$ for $A,B \in \text{Pos}(V)$

Published on 15 Apr 2026 - 2:53

120

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Reverse software engineering of "\" in Matlab

Published on 25 Mar 2026 - 16:20

341

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Proof of the Cayley Transform. Showing that $H=i(I-U)(I+U)^{-1}$ where $U=(I+iH)(I-iH)^{-1}$ for a Hermitian matrix $H$.

Published on 13 Apr 2026 - 4:07

204

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What is the rank of $M- \lambda U U^*$

Published on 12 Apr 2026 - 22:43

36

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Is the function representation $T_{\infty} : U(1) → GL(L^2(S^1))$ unitary?

Published on 15 Apr 2026 - 12:30

124

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Is the matrix of an hermitian (real) endomorphism symmetric?

Published on 10 Apr 2026 - 20:24

78

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$n\times n$ Hermitian matrix rank given $m < n$ then find answer of following.

Published on 17 Apr 2026 - 9:38

123

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Do all generalised eigenvalue problems with Hermitian $N \times N$ matrices $\mathbf{K}$, $\mathbf{M}$ have $N$ linearly independent eigenvectors?

Published on 26 Mar 2026 - 14:25

193

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Hermitian Matrix and its Eigenvalues

Published on 13 Apr 2026 - 5:33

List Question

Is there any way to truncate exponential matrix

Is the log norm square of a holomorphic function plurisubharmonic?

Spectral coordinates on Hermitian matrices

Rayleigh quotient of a vector permutation

How to prove Projection operators are Hermitian/positive?

How can I make an idempotent projection to an Hermitian operator in a Hilbert space?

Proving $| \text{Tr}[AB] | \leq \text{Tr}[ |AB| ]$ for $A,B \in \text{Pos}(V)$

Reverse software engineering of "\" in Matlab

Proof of the Cayley Transform. Showing that $H=i(I-U)(I+U)^{-1}$ where $U=(I+iH)(I-iH)^{-1}$ for a Hermitian matrix $H$.

What is the rank of $M- \lambda U U^*$

Is the function representation $T_{\infty} : U(1) → GL(L^2(S^1))$ unitary?

Is the matrix of an hermitian (real) endomorphism symmetric?

$n\times n$ Hermitian matrix rank given $m < n$ then find answer of following.

Do all generalised eigenvalue problems with Hermitian $N \times N$ matrices $\mathbf{K}$, $\mathbf{M}$ have $N$ linearly independent eigenvectors?

Hermitian Matrix and its Eigenvalues

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