-solid varieties and -free clones
Mal'cev conditions for congruence-regular and congruence-permutable varieties
Mal'cev conditions for directly decomposable compatible relations
Mal'cev functions on smalgebras
Malcev sequences and associative symmetrisations.
Mal'cev type conditions for two varieties
Mal'cev-type theorems for partial congruences
Maximal submonoids of monoids of hypersubstitutions
For a monoid M of hypersubstitutions, the collection of all M-solid varieties forms a complete sublattice of the lattice L(τ) of all varieties of a given type τ. Therefore, by the study of monoids of hypersubstitutions one can get more insight into the structure of the lattice L(τ). In particular, monoids of hypersubstitutions were studied in [9] as well as in [5]. We will give a complete characterization of all maximal submonoids of the monoid Reg(n) of all regular hypersubstitutions of type τ...
Medial groupoids and Mersenne numbers
Minimal algebras and category equivalences
Minimal bounded varieties
Minimal generics from subvarieties of the clone extension of the variety of Boolean algebras
Let τ be a type of algebras without nullary fundamental operation symbols. We call an identity φ ≈ ψ of type τ clone compatible if φ and ψ are the same variable or the sets of fundamental operation symbols in φ and ψ are nonempty and identical. For a variety of type τ we denote by the variety of type τ defined by all clone compatible identities from Id(). We call the clone extension of . In this paper we describe algebras and minimal generics of all subvarieties of , where is the variety of...
Minimal generics of some regular varieties
Minimal varieties of -groups.
Modular groupoids
Modular median algebras
Modular median algebras generated by some partial modular median algebras
Modulare Polynomverbände über endlichen distributiven Verbänden.
Modularity and distributivity of tolerance lattices of commutative inverse semigroups
Modyfications of Csákány's Theorem
Varieties whose algebras have no idempotent element were characterized by B. Csákány by the property that no proper subalgebra of an algebra of such a variety is a congruence class. We simplify this result for permutable varieties and we give a local version of the theorem for varieties with nullary operations.