16Y60 3 05C75 2 16Y99 2 Primary 2015 2 Secondary 16Y60 2 Semiring 2 Semirings of endomorphisms 2 Torsion element graph 2 \(Q_M\)-subsemimodules 2 \(k\)-subsemimodules 2 semigroup mutations 2 20M11 1 20M35 1 68Q70 1 Morita context 1 Morita equivalence 1 Morita invariant 1 linear sequential machine 1 near-semiring 1 radical 1 semimodule 1 semiring 1