2 problems

Rank-preserving weak-map injection conjecture for chains of matroid flats
Let $\mathsf{M}$ and $\mathsf{N}$ be matroids on the same ground set, and suppose there is a rank-preserving weak map $\mathsf{N}\to\mathsf{M}$ . Let…
openFrom paperslattices matroid-theory weak-maps
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7
Homotopy-equivalent topological representations detect isomorphisms of matroids
Let $X$ be a finite CW complex that is not contractible, and let $(M,l)$ and $(N,l')$ be $\rho$ -immersed matroids such that … Suppose there exists a surjective weak map…
openFrom papersmatroid-theory topological-representations weak-maps
0 responses
6

Rank-preserving weak-map injection conjecture for chains of matroid flats