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the conjecture edited

edit approved Nov 2, 2017 at 15:52

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Status of Hadamard matrix conjecture

I would like to know if any progress has been made on Hadamard conjecture :

Hadamard matrix of order $4k$ exists for every positive integer $k$.

linear-algebra matrices conjectures combinatorial-designs

asked Jan 8, 2012 at 17:37

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