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Results tagged with matrices
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user 4479
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
2
votes
Accepted
What's known about the 3rd coefficient in the BMV conjecture?
Look at http://arxiv.org/abs/0802.1153.
Here the fourth coefficient is shown to be non-negative which implies by
Hillar's decent theorem
http://arxiv.org/abs/math/0507166
also the third coefficient …
3
votes
What's known about the 3rd coefficient in the BMV conjecture?
There is a proof of the full BMV conjecture by Herbert Stahl
http://prof.beuth-hochschule.de/stahl/
on the preprint server that was added end of July 2011:
http://arxiv.org/abs/1107.4875
I have no o …