Timeline for When is a monic integer polynomial the characteristic polynomial of a non-negative integer matrix?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Nov 22, 2021 at 1:52 | history | edited | David Roberts♦ | CC BY-SA 4.0 |
paper title and authors; formatting
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| Nov 22, 2021 at 1:47 | history | edited | David Roberts♦ | CC BY-SA 4.0 |
paper title and authors; formatting
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| Nov 3, 2009 at 18:33 | comment | added | Gray Taylor | Ah, I see. The basic mahler measure idea would work for multigraphs (as the only 'good' integer matrices are the ones corresponding to CSMs) but if you relax symmetry by introducing directionality I imagine things break. | |
| Nov 3, 2009 at 18:01 | comment | added | Qiaochu Yuan | P also doesn't satisfy the non-negativity condition on roots. | |
| Nov 3, 2009 at 17:58 | comment | added | Qiaochu Yuan | When I say "graph" I mean "directed multigraph." Sorry if that wasn't clear. | |
| Nov 3, 2009 at 17:53 | history | answered | Gray Taylor | CC BY-SA 2.5 |