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Questions related to the field of Combinatorics called Matroid Theory. Relevant topics include matroids in Combinatorial Optimization, Lattice Theory, Algebraic Geometry, Polyhedral Theory, Rigidity, and Algorithms. For questions about Oriented Matroids, the oriented-matroids tag may be used.
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What are the external triumphs of matroid theory?
Matroids provide a unified framework for many efficient computer algorithms. For example, finding the maximum-weight element of a matroid can be done with a greedy algorithm and access to a oracle for …