On a Question of Pollák and Volkov Regarding Hereditarily Finitely Based Identities
Periodica Mathematica Hungarica
Semigroup, Identity, Finitely based, Hereditarily finitely based
A semigroup identity is alternating if it is formed by a simple word and an almost simple word. A complete description of all hereditarily finitely based, alternating identities is presented. This answers a question of György Pollák and Mikhail V. Volkov posted in the 1980s.
Lee, Edmond W. H., "On a Question of Pollák and Volkov Regarding Hereditarily Finitely Based Identities" (2014). Mathematics Faculty Articles. 14.