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CH-quasigroup 
Summary
In mathematics, a CH-quasigroup, introduced by Manin (1986, definition 1.3), is a symmetric quasigroup in which any three elements generate an abelian quasigroup. "CH" stands for cubic hypersurface.
References edit
- Manin, Yuri Ivanovich (1986) [1972], Cubic forms, North-Holland Mathematical Library, vol. 4 (2nd ed.), Amsterdam: North-Holland, ISBN 978-0-444-87823-6, MR 0833513