Taking minors without splitting tangles
Abstract
We prove that any element in a matroid can be removed, by either deletion or contraction, in such a way that no tangle "splits".
0
Turn this paper into a full lesson
ArcXiv compiles a staged curriculum from this paper: 8-12 lessons across beginner → advanced, synthesised section guides, visuals, flashcards, a quiz, exercises, and on-demand deep dives per section. Grounded in the abstract, never invented.