English Explanatory Dictionary

Freiman's theorem

English dictionary entry

Meanings

name
  1. In additive combinatorics, a central result that indicates the approximate structure of sets whose sumset is small. It roughly states that if |A+A|/|A| is small, then A can be contained in a small generalized arithmetic progression.

Word forms

Freiman's theorem

Etymology

The result is due to Gregory Freiman (1964, 1966).

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