Matroid Theory
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[(Up)](../../README.md#topics) | _See also: [Closure Systems](../Closure%20Systems/README.md#closure-systems)_

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### Web resources

[combinatorics - Is the disjoint union of two Matroids a Matroid itself? - Mathematics Stack Exchange](https://math.stackexchange.com/questions/2504991/is-the-disjoint-union-of-two-matroids-a-matroid-itself) ★

[general topology - Topological matroids? - Mathematics Stack Exchange](https://math.stackexchange.com/questions/960007/topological-matroids) ★


### Papers

Cryptomorphisms (online @ [www.maa.org](https://web.archive.org/web/20170829144138/https://www.maa.org/sites/default/files/pdf/shortcourse/2011/crypto.pdf)) ★ [💭](commentary/Chris%20Pressey.md#cryptomorphisms)


### Books

Introduction to Matroids (borrow @ [archive.org](https://archive.org/details/introductiontoma0000kolo)) ★★★ [💭](commentary/Chris%20Pressey.md#introduction-to-matroids)