On the finiteness of certain factorization invariants
On the finiteness of certain factorization invariants
Let H be a monoid and π H be the unique extension of the identity map on H to a monoid homomorphism F (H)→H, where we denote by F (X) the free monoid on a set X. Given A⊆H, an A-word z (i.e., an element of F (A)) is minimal …