OOIR: Observatory of International Research

Papers

(The TQCC of Algebra Universalis is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-03-01 to 2025-03-01.)

Article	Citations
Equational theories of upper triangular tropical matrix semigroups	8
Lattice characterization of finite nilpotent groups	7
On the cardinality of non-isomorphic intermediate rings of C(X)	6
Minimum proper extensions in some lattices of subalgebras	5
Canonical extensions, free completely distributive lattices, and complete retracts	5
Reversibility of disconnected structures	4
Nuclear ranges in implicative semilattices	4
Automorphisms and strongly invariant relations	4
Adjoint maps between implicative semilattices and continuity of localic maps	4
Multisorted Boolean clones determined by binary relations up to minion homomorphisms	3
Constructing illoyal algebra-valued models of set theory	3
Joins and meets in effect algebras	3
On joins of complemented sublocales	3
Perfect extensions of de Morgan algebras	3
Universal slices of the category of graphs	3
On the variety generated by generalized subreducts of Tarski’s algebras of relations	3
Characterizations of pseudocomplemented lattices by excluded 0-sublattices	3
Near-unanimity-closed minions of Boolean functions	2
Riesz and pre-Riesz monoids	2
Characterization of self-majorizing elements in Archimedean vector lattices	2
Extremality, left-modularity and semidistributivity	2
The lattice of monomial clones on finite fields	2
Canonical extensions of lattices are more than perfect	2
Connected topological lattice-ordered groups	2
A structure theorem for truncations on an Archimedean vector lattice	2

The “zero-two” law in Orlicz–Kantorovich spaces	2
On a statement of O. Frink about free pseudo-complemented meet-semilattices	2
Admissible subsets and completions of ordered algebras	2
Coextensive varieties via central elements	2
Unilinear residuated lattices: axiomatization, varieties and FEP	2
On principal element lattices	1
On algebras of binary relations with conjunctive operations	1
A relatively finite-to-finite universal but not Q-universal quasivariety	1
Odd and even Fibonacci lattices arising from a Garside monoid	1
Idempotent identities in f-rings	1
Abstractly constructed prime spectra	1
Projectivity in (bounded) commutative integral residuated lattices	1
The number of languages with maximum state complexity	1
Jónsson Jónsson–Tarski algebras	1
On a new construction of pseudocomplemented semilattices	1
An algebraic theory of clones	1
Homomorphic images of affine quandles	1
Right-cancellable protomodular algebras	1
On regularity and injectivity of the ring of real-continuous functions on a topoframe	1
On complete lattices of radical submodules and $$ z $$-submodules	1
Three roads to complete lattices: orders, compatibility, polarity	1
The structure of finite commutative idempotent involutive residuated lattices	1
On z-elements of multiplicative lattices	1
Lattices with normal elements	1
Two results on Fremlin’s Archimedean Riesz space tensor product	1
On the representation of ordered semigroups by transformations of ordered sets	1
Algebras from congruences	1
Difference–restriction algebras of partial functions: axiomatisations and representations	1
The complexity of homomorphism factorization	1
Adjunction of a strong unit to a hyper-archimedean lattice-ordered group	1
Exploring new topologies for the theory of clones	1
Localic transitivity	1
Duality for $$\kappa $$-additive complete atomic modal algebras	1
Semiring identities of the Brandt monoid	1
On the Boolean algebra induced by a unital $$\ell $$-group	1
A frame-theoretic perspective on Esakia duality	1
Axioms for signatures with domain and demonic composition	1
Submaximal clones over a three-element set up to minor-equivalence	1
Choice-free duality for orthocomplemented lattices by means of spectral spaces	1