Symmetric Bush-type Hadamard matrices of order $4m^4$ exist for all odd $m$

arxiv: math/0501026 · v1 · submitted 2005-01-02 · 🧮 math.CO

Symmetric Bush-type Hadamard matrices of order 4m⁴ exist for all odd m

Mikhail Muzychuk , Qing Xiang This is my paper

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keywords hadamardbush-typematricesordersymmetricconstructdifferenceexist

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Using reversible Hadamard difference sets, we construct symmetric Bush-type Hadamard matrices of order $4m^4$ for all odd integer $m$.

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