groupoid
Americannoun
Etymology
Origin of groupoid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The fundamental groupoid is not a complete invariant, however.
From Scientific American • Sep. 14, 2021
The big problem with the fundamental groupoid is that points and paths do not detect the higher-dimensional structure of a space, because the point and interval are themselves zero- and one-dimensional, respectively.
From Scientific American • Sep. 14, 2021
In contrast, in the fundamental groupoid of the disk, there is only one path up to homotopy between any pair of points.
From Scientific American • Sep. 14, 2021
The basic thing he discovered was a “groupoid,” and a groupoid is what is used in category theory nowadays.
From Scientific American • Nov. 5, 2013
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
