List questions from spectral-radius

Published on 19 Mar 2026 - 19:06

207

Views

Prove or disprove that $\rho(A) = \| A \|_2$ for any real symmetric matrix $A$

Published on 22 Mar 2026 - 15:05

635

Views

Spectral radius Volterra operator with an arbitrary kernel from $L^2$

Published on 23 Mar 2026 - 0:38

450

Views

Proof of spectral radius bound $\min_i \sum_j a_{ij} \le \rho(A) \le \max_i \sum_j a_{ij}$

Published on 22 Mar 2026 - 23:59

234

Views

Spectral norm of block and square matrices

Published on 20 Mar 2026 - 11:10

64

Views

if $||AB||_\infty<1$ is I-AB is positive definite ? provided A,B are symmetric and A+B is positive definite

Published on 22 Mar 2026 - 20:00

315

Views

Square of spectral radius and Frobenius norm

Published on 22 Mar 2026 - 19:42

1.4k

Views

Upper bound on the spectral radius of summation of two matrices one symmetric one diagonal

Published on 22 Mar 2026 - 8:58

116

Views

Spectral radius of a matrix

Published on 22 Mar 2026 - 13:54

3.4k

Views

Gradient of largest eigenvalue of matrix, with respect to individual elements of the matrix

Published on 22 Mar 2026 - 19:55

1.3k

Views

What is the maximum expected eigenvalue of an $n \times n$ symmetric matrix?

Published on 23 Mar 2026 - 2:11

341

Views

Spectral radius of a complete bipartite graph

Published on 22 Mar 2026 - 20:05

349

Views

Spectral radius of a complete tripartite graph

Published on 23 Mar 2026 - 8:13

49

Views

Are Cycles good expanders???

Published on 24 Mar 2026 - 22:06

156

Views

The spectral radius is a norm

Published on 25 Mar 2026 - 12:20

List Question

Spectral radius inequality for non-abelian Banach algebras

Prove or disprove that $\rho(A) = \| A \|_2$ for any real symmetric matrix $A$

Spectral radius Volterra operator with an arbitrary kernel from $L^2$

Proof of spectral radius bound $\min_i \sum_j a_{ij} \le \rho(A) \le \max_i \sum_j a_{ij}$

Spectral norm of block and square matrices

if $||AB||_\infty<1$ is I-AB is positive definite ? provided A,B are symmetric and A+B is positive definite

Square of spectral radius and Frobenius norm

Upper bound on the spectral radius of summation of two matrices one symmetric one diagonal

Spectral radius of a matrix

Gradient of largest eigenvalue of matrix, with respect to individual elements of the matrix

What is the maximum expected eigenvalue of an $n \times n$ symmetric matrix?

Spectral radius of a complete bipartite graph

Spectral radius of a complete tripartite graph

Are Cycles good expanders???

The spectral radius is a norm

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