Definition:Loop
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Disambiguation
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Loop may refer to:
- Graph Theory:
- Loop: an edge $e$ of $G$ whose endvertices are the same vertex.
- Abstract Algebra:
- Algebra Loop: a quasigroup with an identity element.
- Set Theory:
- Relational Loop: a subset of a relation of the form $\set {\tuple {a_1, a_2}, \tuple {a_2, a_3}, \ldots, \tuple {a_{n - 1}, a_n}, \tuple {a_n, a_1} }$
- Matroid Theory:
- Loop: An element $x$ of a matroid such that $\set x$ is a dependent subset