The Lattice of Subquasivarieties of a Locally Finite Quasivariety

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This book discusses the ways in which the algebras in a locally finite quasivariety determine its lattice of subquasivarieties.&nbsp; The book starts with a clear and comprehensive presentation of the basic structure theory of quasivariety lattices, and then develops new methods and algorithms for their analysis. &nbsp;Particular attention is paid to the role of quasicritical algebras.&nbsp; The methods are illustrated by applying them to quasivarieties of abelian groups, modular lattices, unary algebras and pure relational structures.&nbsp; An appendix gives an overview of the theory of quasivarieties.&nbsp; Extensive references to the literature are provided throughout.<p></p>