OOIR: Observatory of International Research

Papers

(The median citation count of Algebra Universalis is 0. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Multisorted Boolean clones determined by binary relations up to minion homomorphisms	8
Exploring new topologies for the theory of clones	7
The “zero-two” law in Orlicz–Kantorovich spaces	6
On complete lattices of radical submodules and $$ z $$-submodules	5
Decomposition of $$\hbox {d}_{\text {0}}$$-algebras	5
Two results on Fremlin’s Archimedean Riesz space tensor product	5
The prime spectrum of $$\ell $$-groups and MV-algebras	5
Was Ulam right? II: small width and general ideals	4
Duality for normal lattice expansions and sorted residuated frames with relations	4
Representable distributive quasi relation algebras	4
Spectral properties of cBCK-algebras	4
Surjective polymorphisms of directed reflexive cycles	4
Partial commutators	3
Nonelementary inclusive varieties of groups and semigroups	3
Some remarks on type n lattice-ordered algebras and a question of Huijsmans	3
Measuring associativity: graph algebras of undirected graphs	3
Free strict n-tuple semigroups are determined by their endomorphism semigroups	3
Correction: Projectivity in (bounded) commutative integral residuated lattices	3
Some further results on pointfree convex geometry	3
Infinitary primitive positive definability over the real numbers with convex relations	2
Extremality, left-modularity and semidistributivity	2
Priestley-style duality for DN-algebras	2
Automorphisms and strongly invariant relations	2
Odd and even Fibonacci lattices arising from a Garside monoid	2
Submaximal clones over a three-element set up to minor-equivalence	2

What makes a Stone topological algebra Profinite	2
The number of languages with maximum state complexity	2
Perspectivity in complemented modular lattices and regular rings	2
Projectivity in (bounded) commutative integral residuated lattices	2
Idempotent identities in f-rings	2
Normal forms and representable functions in Moisil logic	2
Semilinear De Morgan monoids and epimorphisms	2
Generalized quasiorders and the Galois connection $${\textbf {End}}$$–$$\varvec{{{\,\textrm{gQuord}\,}}}$$	1
Classification of unilinear residuated lattices	1
Słupecki digraphs	1
Clonoids of Boolean functions with a linear source clone and a semilattice or 0- or 1-separating target clone	1
Clonoids of Boolean functions with a monotone or discriminator source clone	1
On priestley DN-spaces and N-spaces	1
Jónsson Jónsson–Tarski algebras	1
Efficient realizations of closure systems	1
Reorienting quandle orbits	1
On commutative weak Heyting algebras and some of its subreducts	1
Characterizations of U-frames and frames that are finitely a U-frame	1
Varieties of ordered algebras as categories	1
$$\varvec{S}$$-preclones and the Galois connection $$\varvec{{}^{S}{}\textrm{Pol}}$$–$$\varvec{{}^{S}{}\textrm{Inv}}$$, Part I	1
Joins and meets in effect algebras	1
Profinite bi-Heyting algebras	1
Boolean rigs	1
Strongly minimal Steiner systems II: coordinatization and quasigroups	1
Monounary algebras containing subalgebras with meet-irreducible congruence lattice	1
Hoops equipped with square roots	1
Majority-closed minions of Boolean functions	1
Catoids and modal convolution algebras	1
Congruence systems in dual discriminator varieties	1
Nilpotent groups in lattice framework	1
On relatively elementary definability of graph classes in the class of semigroups	1
Existential relations on infinite structures	0
On core quandles	0
On retract varieties of algebras	0
On the uniform word problem for lattices	0
Topological representation of double Boolean algebras	0
Right-preordered groups from a categorical perspective	0
On z-elements of multiplicative lattices	0
A relatively finite-to-finite universal but not Q-universal quasivariety	0
Correction to Identical inclusions of semilattices	0
Solution to two problems on ideally conjunctive join-semilattices	0
Divisibility on certain o-groups of matrices	0
Weakly Schreier extensions for general algebras	0
On the networks of large embeddings	0
The structure of completely meet irreducible congruences in strongly Fregean algebras	0
A note on the probability of a groupoid having deficient sets	0
$$\mu $$-elements: An extension of essential elements	0
Difference–restriction algebras of partial functions: axiomatisations and representations	0
A finite axiomatization of positive MV-algebras	0
The modal logic of abelian groups	0

Hull classes in compact regular frames	0
Cartesian closed varieties I: the classification theorem	0
The number fields that are $${O}^{*}$$-fields	0
Factor principal congruences and Boolean products in filtral varieties	0
On minimal semiring generating sets of finitely generated commutative parasemifields	0
Monadic ortholattices: completions and duality	0
On a statement of O. Frink about free pseudo-complemented meet-semilattices	0
Not all nilpotent monoids are finitely related	0
A choice-free proof of Mal’cev’s theorem on quasivarieties	0
On the representation of ordered semigroups by transformations of ordered sets	0
Enriched Płonka sums	0
On the Boolean algebra induced by a unital $$\ell $$-group	0
The maximal ring of quotients of $$A_d L$$	0
Uniform continuity of pointfree real functions via farness and related Galois connections	0
Vaughan-Lee’s nilpotent loop of size 12 is finitely based	0
Stone space partitions indexed by a poset	0
Universal slices of the category of graphs	0
Characterizing finitely based abelian Mal’cev varieties	0
Unilinear residuated lattices: axiomatization, varieties and FEP	0
Totally ordered inverse commutative residuated lattices	0
Override and restricted union for partial functions	0
The finite basis problem for additively idempotent semirings of order four, II	0
Lacunary series, algebraic normal forms, convolutions	0
Connected topological lattice-ordered groups	0
Choice-free duality for orthocomplemented lattices by means of spectral spaces	0
A finite representation of relation algebra $$\varvec{1896_{3013}}$$	0
Some generalized metric properties of n-semitopological groups	0
Compact ICA-topobooleans and the Smirnov compactification theorem	0
Natural dualities for varieties generated by finite positive MV-chains	0
Higher commutators in semigroups with zero	0
Characterization of self-majorizing elements in Archimedean vector lattices	0
A theorem of Mumford and Ramanujam for universal algebras	0
On the lattice of conatural classes of linear modular lattices	0
Congruence-simple multiplicatively idempotent semirings	0
Esakia duals of regular Heyting algebras	0
Permutation invariant boolean states	0
Slim patch lattices as absolute retracts and maximal lattices	0
Bubble lattices I: Structure	0
Near-unanimity-closed minions of Boolean functions	0
What is the weakest idempotent Maltsev condition that implies that abelian tolerances generate abelian congruences?	0
A structure theorem for truncations on an Archimedean vector lattice	0
Admissible subsets and completions of ordered algebras	0
Lattices of retracts of direct products of two finite chains and notes on retracts of lattices	0
Topology of closure systems in algebraic lattices	0
On the number of universal algebraic geometries	0
The Freudenthal and other compactifications of continuous frames	0
Relative lengths of Maltsev conditions	0
Localic transitivity	0
On the variety generated by generalized subreducts of Tarski’s algebras of relations	0
Functional monadic ortholattices and locally finite $$\sigma $$-free polyadic ortholattices	0
On k-ary parts of maximal clones	0
Monk algebras and representability	0
A frame-theoretic perspective on Esakia duality	0
u-topology and m-topology on the ring of measurable functions, generalized and revisited	0
Algebraic frames in Priestley duality	0
On automorphisms of categories with applications to universal algebraic geometry	0
Adjunction of a strong unit to a hyper-archimedean lattice-ordered group	0
Graphs of finite algebras: maximality, rectangularity, and decomposition	0
Finitely based congruence varieties	0
Quasi-Engel varieties of lattice-ordered groups	0
Quasivarieties of algebras whose compact relative congruences are principal	0
Graphs of finite algebras: edges, and connectivity	0
Topological representations of Lawson compact algebraic L-domains and Scott domains	0
Mal’tsev products of varieties, II	0
On the structure of modal and tense operators on a boolean algebra	0
The assembly of a pointfree bispace and its two variations	0
Algebraic frames in which dense elements are above dense compact elements	0
Improved bounds on the size of the smallest representation of relation algebra $$32_{65}$$	0
Another look on tense and related operators	0
Minimum proper extensions in some lattices of subalgebras	0
On the completeness of localic groups via generators and relations	0
Choice-free topological duality for implicative lattices and Heyting algebras	0
Correction: Direct finiteness of representable regular $$*$$-rings	0
The Priestley duality for $$\prec $$-distributive $$\vee $$-predomains	0