The finite basis problem for the endomorphism semirings of finite semilattices

Igor Dolinka, Sergey V. Gusev, Mikhail V. Volkov

For every semilattice $\mathcal{A}=(A,+)$, the set $\mathrm{End}(\mathcal{A})$ of its endomorphisms forms a semiring under pointwise addition and composition. We prove that that if…