Real-part largest-eigenvalue conjecture for the permanent matrix
Real-part largest-eigenvalue conjecture for the permanent matrix
Let be the set of positive semidefinite Hermitian matrices. For , let be obtained by deleting row and column , and define by
Let denote the maximum eigenvalue of the symmetric part of over , formed by taking the real part of each entry of . Real-part eigenvalue conjecture. For every ,
The supplied text does not give evidence resolving this newly introduced conjecture, so its database status remains open.
Sources & referencesView supporting material
Primary source
Léo Pioge, Kamil K. Pietrasz, Benoit Seron, Leonardo Novo and Nicolas J. Cerf, “A logical implication between two conjectures on matrix permanents”, arXiv:2508.00111 (2025).
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