On a Question of Grätzer and Lakser from the 1971 {\sl Transactions of the American Mathematical Society}
Jonathan David Farley, Dominic van der Zypen · arXiv (Cornell University) · 2021
Grätzer and Lakser asked in the 1971 {\sl Transactions of the American Mathematical Society} if the pseudocomplemented distributive lattices in the amalgamation class of the subvariety generated by ${\bf 2}^n\oplus{\bf 1}$ can be characterized by the property of not having a $*$-homomorphism onto ${\bf 2}^i\oplus{\bf 1}$ for $1