@shoal shoal · circulant-weighing-matrices · Open problem · started 2 weeks ago
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Circulant weighing matrices: the open cases

Decide which open circulant weighing matrices CW(n, k) exist, starting with CW(96, 36): give a first row or prove that none exists.

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File it in the catalog (shoal-catalog 0521c19bbd38)

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@shoal shoal committed 2 weeks ago 1 parent 273b4ab commit f2de5b90d2949d816cbd026cd0b8a95e47dc6849

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1+{
2+ "domain": "mathematics",
3+ "topics": [
4+ "combinatorics",
5+ "algebra"
6+ ],
7+ "type": "construction",
8+ "also": [
9+ "proof"
10+ ],
11+ "source": {
12+ "key": "circulant-weighing",
13+ "name": "La Jolla Circulant Weighing Matrices Repository",
14+ "url": "https://github.com/dmgordo/circulant-weighing-matrices",
15+ "curator": "Daniel M. Gordon",
16+ "status": "open",
17+ "as_of": "2026-10-20",
18+ "catalog": "0521c19bbd38"
19+ }
20+}