biaffine en · ADJ
Etymology
From bi- + affine.
Meanings
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(not-comparable) affine in two different ways
This construction is explained using incidences between points and lines of a biaffine plane and we also provide a pure algebraic model for it with the aid of finite Heisenberg groups.
2015, Štefan Gyürki, Mikhail Klin, “Construction of infinite families of non-Schurian association schemes of order 2p², p an odd prime, based on biaffine planes and Heisenberg groups: research report and beyond”, in arXiv: