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Branch-depth as minor closure of contraction-deletion-depth
Branch-depth minor-closure conjecture. There exists a function $f$ such that, if a matroid $M$ has branch-depth $d$ , then there exists a matroid $N$ with contraction-deletion-depth…
Problemopengraph-depth matroid-minors matroid-theoryarXiv posted 2 days ago

Branch-depth as minor closure of contraction-deletion-depth