Three observations on spectra of zero-nonzero patterns
Combinatorics
2017-05-25 v1
Abstract
Using standard techniques from combinatorics, model theory, and algebraic geometry, we prove generalized versions of several basic results in the theory of spectrally arbitrary matrix patterns. Also, we point out a counterexample to a conjecture proposed recently by McDonald and Melvin.
Cite
@article{arxiv.1705.08765,
title = {Three observations on spectra of zero-nonzero patterns},
author = {Yaroslav Shitov},
journal= {arXiv preprint arXiv:1705.08765},
year = {2017}
}
Comments
note, 5 pages