Talk:Doubly stochastic matrix: Difference between revisions

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== Gyires proof is wrong==

In Hungary, the proof of the van der Waerden inequality given by Gyires is generally considered false. I could not, however, find any source for this on the internet.

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Defined in this manner, doubly stochastic matrix looks very similar to some kind of a discretized version of a bivariate copula density.

== Proof; generalisations ==

Hello – I added a proof of Birkhoff’s theorem – it’s pretty straightforward. I also mentioned trivial generalisations and the more complicated one by Caron et al referred to by the previous shy editor. Presumably Caron’s goes beyond the trivial one... [[User:Colin.champion|Colin.champion]] ([[User talk:Colin.champion|talk]]) 09:50, 12 October 2021 (UTC)