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Top Questions
16
votes
One question on linear combinations of roots of unity
nt.number-theory
co.combinatorics
gr.group-theory
cv.complex-variables
algebraic-number-theory
asked Dec 21, 2022 at 22:34
mathoverflow.net
11
votes
One question on circulant $\pm1$ matrices
co.combinatorics
linear-algebra
coding-theory
matrix-equations
circulant-matrices
asked Nov 11, 2022 at 3:39
mathoverflow.net
7
votes
Questions on symmetric Hadamard matrices
co.combinatorics
linear-algebra
matrices
matrix-analysis
matrix-theory
asked Jun 8 at 11:39
mathoverflow.net
6
votes
One question on block-circulant matrices
linear-algebra
matrices
matrix-analysis
determinants
block-matrices
asked Nov 2, 2022 at 16:49
mathoverflow.net
5
votes
On the half-skew-centrosymmetric Hadamard matrices
reference-request
co.combinatorics
linear-algebra
matrices
combinatorial-designs
asked Jun 26, 2023 at 15:25
mathoverflow.net
5
votes
Bisymmetric Hadamard matrices
co.combinatorics
linear-algebra
algorithms
combinatorial-designs
symmetry
asked Aug 6 at 6:30
mathoverflow.net
5
votes
Efficiently computing $\prod_{i=1}^{n} A_i$
nt.number-theory
linear-algebra
matrices
algorithms
computational-number-theory
asked Sep 4 at 21:08
mathoverflow.net
Top Answers
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