group theory

noun

: a branch of mathematics concerned with finding all mathematical groups and determining their properties

Examples of group theory in a Sentence

Recent Examples on the Web

Although the problem’s framing might sound silly, the underlying mechanics have deep connections to group theory, knot theory, graph theory, and other areas of mathematics. — Emma R. Hasson, Scientific American, 5 Sep. 2026

The one who speed-solves a Rubik’s cube and can explain the group theory behind the algorithms. — Dr. Liz Doe Stone, Forbes.com, 2 Mar. 2026

In 2003, a German graduate student named Britta Späth encountered the McKay conjecture, one of the biggest open problems in the mathematical realm known as group theory. — Leila Sloman, WIRED, 23 Mar. 2025

This depends on how deeply their beliefs are rooted in group theory. — Mark Travers, Forbes, 3 Sep. 2024

But mostly, he’s drawn to math, to problems in low-dimensional topology and geometric group theory that keep him awake at night. — Quanta Magazine, 22 May 2024

Word History

First Known Use

1888, in the meaning defined above

Rhymes for group theory

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