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Results tagged with reference-request
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user 490128
This tag is used if a reference is needed in a paper or textbook on a specific result.
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On the half-skew-centrosymmetric Hadamard matrices
Let $H_n$ be an $n×n$ Hadamard matrix and $R_n$ the $n×n$ reverse identity matrix.
The matrix $X= \begin{pmatrix}
H_n & R_nH_n \\
H_n & -R_nH_n
\end{pmatrix}$ has entries of length $1$ and $$XX^* = 2n …
- 1,245