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 2020-04-01 to 2024-04-01.)

Article	Citations
A non-finitely based involution semigroup of order five	10
The structure of generalized BI-algebras and weakening relation algebras	9
Structure theorems for idempotent residuated lattices	9
Semiring identities of the Brandt monoid	7
Results in L-algebras	6
Equational theories of upper triangular tropical matrix semigroups	5
Abstractly constructed prime spectra	5
Perfect locales and localic real functions	4
Choice-free duality for orthocomplemented lattices by means of spectral spaces	4
Finite representability of semigroups with demonic refinement	4
Constructing illoyal algebra-valued models of set theory	4
The structure of finite commutative idempotent involutive residuated lattices	4
Properties not retained by pointed enrichments of finite lattices	3
Correction to: Injective hulls for ordered algebras	3
On semiconic idempotent commutative residuated lattices	3
Anticommutativity and the triangular lemma	3
Axioms for signatures with domain and demonic composition	3
Every minimal dual discriminator variety is minimal as a quasivariety	3
Lifting, n-dimensional spectral resolutions, and n-dimensional observables	3
Invariance of projective modules in $$\mathsf {Sup}$$ under self-duality	3
The number fields that are $${O}^{*}$$-fields	2
Strongly minimal Steiner systems II: coordinatization and quasigroups	2
Lattices from graph associahedra and subalgebras of the Malvenuto–Reutenauer algebra	2
The spectrum problem for Abelian $$\ell $$-groups and MV-algebras	2
On saturated varieties of posemigroups	2

Torsion theories and coverings of preordered groups	2
Conjunctive join-semilattices	2
Duality for $$\kappa $$-additive complete atomic modal algebras	2
Three roads to complete lattices: orders, compatibility, polarity	2
Lattice characterization of finite nilpotent groups	2
Improved bounds on the size of the smallest representation of relation algebra $$32_{65}$$	2
Grätzer–Hofmann–Lawson–Jung–Sünderhauf duality	2
Residual finiteness and related properties in monounary algebras and their direct products	2
Filter and weak link topologies	2
Projectivity in (bounded) commutative integral residuated lattices	2
Essential adjunction of a strong unit to an archimedean lattice-ordered group	2
Catoids and modal convolution algebras	2
Equivalence à la Mundici for commutative lattice-ordered monoids	1
Remarks about the Q-lattice of the variety of lattices	1
Big lattices of hereditary and natural classes of linear modular lattices	1
Split epimorphisms as a productive tool in Universal Algebra	1
Lattices and quantales of ideals of semigroups and their preservation under Morita contexts	1
Topological representation of double Boolean algebras	1
On algebras of binary relations with conjunctive operations	1
Congruence lattices of connected monounary algebras	1
Extremality, left-modularity and semidistributivity	1
Saturated free algebras and almost indiscernible theories	1
Coextensive varieties via central elements	1
Lattices do not distribute over powerset	1
Characterising certain compactifications of frames with special attention to Freudenthal	1
Perfect extensions of de Morgan algebras	1
Lattices of retracts of direct products of two finite chains and notes on retracts of lattices	1
Some partial results on the cancellation law for the tensor product of complete lattices	1
On automorphisms of categories with applications to universal algebraic geometry	1
A finite axiomatization of positive MV-algebras	1
Spectral properties of cBCK-algebras	1
The structure of completely meet irreducible congruences in strongly Fregean algebras	1
Duality for normal lattice expansions and sorted residuated frames with relations	1
Lattice Burnside rings	1
Algebras from congruences	1
Rings in which idempotents generate maximal or minimal ideals	1
Lattices with normal elements	1
Dualities for subresiduated lattices	1
Epimorphisms in varieties of subidempotent residuated structures	1
On joins of complemented sublocales	1
On fraction-dense algebraic frames	1
De Morgan clones and four-valued logics	1
Semilattice sums of algebras and Mal’tsev products of varieties	1
Embeddings of o-groups of finite archimedean rank	1
On Jónsson’s problem for groupoids of relations with operation of binary cylindrification	1
Truncations of ordered abelian groups	1
Mitschke’s theorem is sharp	1
Uniform continuity of pointfree real functions via farness and related Galois connections	1
Difference–restriction algebras of partial functions: axiomatisations and representations	1
On semigroup constructions induced by commuting retractions on a set	1

On a new construction of pseudocomplemented semilattices	1
The structure group of a non-degenerate effect algebra	1
Representing subalgebras as retracts of finite subdirect powers	1
Characterizing the commutator in varieties with a difference term	1
Lattice-ordered pregroups are semi-distributive	1
Canonical extensions, free completely distributive lattices, and complete retracts	1
Algebraic frames in which dense elements are above dense compact elements	1
Closed sets of finitary functions between finite fields of coprime order	1