graph theory


Definition of graph theory

: a branch of mathematics concerned with the study of graphs

Examples of graph theory in a Sentence

Recent Examples on the Web These kinds of random strategies have been used to great effect in mathematics, particularly in graph theory. Quanta Magazine, 2 June 2022 Using spectral graph theory, mathematicians have solved a decades-old problem. Caroline Delbert, Popular Mechanics, 16 May 2022 To solve all the higher dimensional cases of equiangular lines, the researchers used something called spectral graph theory. Caroline Delbert, Popular Mechanics, 16 May 2022 The game is played on the figure shown, which consists of six points, each of which is shown joined to every other by black lines (called edges in graph theory). Quanta Magazine, 8 Apr. 2022 The problem was well known in graph theory circles and attracted many attempts to solve it, none of which were successful. Quanta Magazine, 5 Apr. 2021 Data science is another tool that encompasses AI plus statistical analysis, mathematical optimization, simulation, search and matching algorithms, graph theory and combinatorics. Sushil Verma, Forbes, 4 Jan. 2022 The reports themselves—on topics ranging from graph theory to user-interface design—suggested the dimensions of the space; when multiple reports used similar groups of words, their dimensions could be combined. James Somers, The New Yorker, 29 Nov. 2021 Mathematicians are currently learning which rules of graph theory also apply for higher-order interactions, suggesting new areas of exploration. Quanta Magazine, 19 Aug. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'graph theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of graph theory

1947, in the meaning defined above

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The first known use of graph theory was in 1947

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Cite this Entry

“Graph theory.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2022.

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