Last Updated：2025/11/20

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Used other than figuratively or idiomatically: see group, theory; a theory about (particular kinds of) groups.

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group theory

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Source Word

group theory

Noun

uncountable usually

Used other than figuratively or idiomatically: see group, theory; a theory about (particular kinds of) groups.

Japanese Meaning

数学の一分野で、集合とその上の演算によって定義される群の性質・構造を研究する理論、すなわち群論を意味する。

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In her dissertation, she applied techniques from group theory to classify the possible symmetries.

Google Translation / DeepL Translation

彼女は論文で、可能な対称性を分類するために群論の手法を応用した。

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Sense（1）

Used other than figuratively or idiomatically: see group, theory; a theory about (particular kinds of) groups.

After you have read over the seven group theories you'll be clearer about what makes the most sense to you for the groups with which you want to use your observation skills.

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Sense（2）

(algebra) The mathematical theory of groups; (usually in combination) a branch of this theory.

THE feeling seems to be developing among physicists that group theory can be used as and when required, as many other techniques already are, without its being necessary for everyone to study all the whys and wherefores of the mathematical details involved.

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group theories

（ plural ）

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group theory

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