Generalizing modular pairs to arbitrary families of sets in infinite matroids yields a complete theory of single-element extensions, a proof that every-flat-modular matroids are finitary, and new perspectives on the connectivity parameter lambda, all with Lean4 formalizations.
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Modularity, Extensions and Connectivity in Infinite Matroids
Generalizing modular pairs to arbitrary families of sets in infinite matroids yields a complete theory of single-element extensions, a proof that every-flat-modular matroids are finitary, and new perspectives on the connectivity parameter lambda, all with Lean4 formalizations.