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group theory
noun
: a branch of mathematics concerned with finding all mathematical groups and determining their properties
Examples of group theory in a Sentence
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Physicists rely on them to unify the fundamental forces of nature: At high energies, group theory can be used to show that electromagnetism and the forces that hold atomic nuclei together and cause radioactivity are all manifestations of a single underlying force.
—Leila Sloman, WIRED, 6 Oct. 2024
Physicists rely on them (opens a new tab) to unify the fundamental forces of nature: At high energies, group theory can be used to show that electromagnetism and the forces that hold atomic nuclei together and cause radioactivity are all manifestations of a single underlying force.
—Leila Sloman, Quanta Magazine, 6 Sep. 2024
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
The Monster in the Moonlight The monster was a theoretical prediction of group theory, an area of geometry that deals with the symmetrical properties of objects.
—Manon Bischoff, Scientific American, 5 Feb. 2024
The Mandelbrot set is deeply related not just to dynamics, but also to number theory, topology, algebraic geometry, group theory and even physics.
—Quanta Magazine, 26 Jan. 2024
Hart went on to earn a doctorate in group theory in 2000 and later became a professor at Birkbeck, University of London.
—Leila Sloman, Quanta Magazine, 12 Jan. 2024
And the evolution of the cube — from a three-by-three-by-three shape to larger four-by-four-by-four and five-by-five-by-five ones — offers different complicated mathematical principles of group theory.
—Hope Reese, Smithsonian Magazine, 25 Sep. 2020
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Word History
First Known Use
1888, in the meaning defined above
Dictionary Entries Near group theory
Cite this Entry
“Group theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/group%20theory. Accessed 30 Nov. 2024.
More from Merriam-Webster on group theory
Britannica.com: Encyclopedia article about group theory
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