galois theory

/G AE0 L W AA1 TH IH0 R IY0/
noun
  1. 1

    (algebra, field theory) The branch of mathematics dealing with Galois groups, Galois fields, and polynomial equations. It provides a link between field theory and group theory: it permits certain problems in the former to be reduced to the latter, which in some respects is simpler and better understood.

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