Math 2.0

Field theory and polynomials Concept

Quasifield

Summary

A quasifield is a set with an addition and a multiplication that behaves like a division ring. The difference is that multiplication need not be associative and distributes only on one side. Quasifields are the coordinate systems of translation planes: every quasifield gives a translation plane and every translation plane comes from a quasifield. Semifields, finite near-fields and division rings are special quasifields.

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Further reading

  1. Web https://en.wikipedia.org/wiki/Quasifield
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MSC12K99, 51A40, 51A35
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