arXiv preprint arXiv:1910.01829 , year=

On the eigenvalue region of permutative doubly stochastic matrices , author= · 1910 · arXiv 1910.01829

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math.PR · 2026-05-08 · unverdicted · novelty 7.0

The second largest eigenvalue of any 4×4 tridiagonal stochastic matrix is nonnegative.

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Nonnegativity of the second largest eigenvalue of $4 \times 4$ tridiagonal stochastic matrices math.PR · 2026-05-08 · unverdicted · none · ref 13
The second largest eigenvalue of any 4×4 tridiagonal stochastic matrix is nonnegative.