Composition of Post classes and normal forms of Boolean functions. - Miguel Couceiro; Stephan Foldes; Erkko Lehtonen (Discret. Math., 2006)

Descending Chains and Antichains of the Unary, Linear, and Monotone Subfunction Relations. - Erkko Lehtonen (Order, 2006)

On the Effect of Variable Identification on the Essential Arity of Functions on Finite Sets. - Miguel Couceiro; Erkko Lehtonen (Int. J. Found. Comput. Sci., 2007)

Operations on finite sets, functional composition, and ordered sets. - Erkko Lehtonen (2007)

Labeled posets are universal. - Erkko Lehtonen (Eur. J. Comb., 2008)

Generalizations of Swierczkowski's lemma and the arity gap of finite functions. - Miguel Couceiro; Erkko Lehtonen (Discret. Math., 2009)

Equivalence of operations with respect to discriminator clones. - Erkko Lehtonen; Ágnes Szendrei (Discret. Math., 2009)

Explicit Descriptions of Bisymmetric Sugeno Integrals. - Miguel Couceiro; Erkko Lehtonen (IPMU, 2010)

The Arity Gap of Polynomial Functions over Bounded Distributive Lattices. - Miguel Couceiro; Erkko Lehtonen (ISMVL, 2010)

Classes of Operations Closed under Permutation, Cylindrification and Composition. - Miguel Couceiro; Erkko Lehtonen (ISMVL, 2010)

Column-Partitioned Matrices Over Rings Without Invertible Transversal Submatrices. - Stephan Foldes; Erkko Lehtonen (Ars Comb., 2010)

Minors of Boolean functions with respect to clique functions and hypergraph homomorphisms. - Erkko Lehtonen; Jaroslav Nesetril (Eur. J. Comb., 2010)

On the Homomorphism Order of Labeled Posets. - Léonard Kwuida; Erkko Lehtonen (Order, 2011)

GAP vs. PAG. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (ISMVL, 2012)

The arity gap of order-preserving functions and extensions of pseudo-Boolean functions. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (Discret. Appl. Math., 2012)

Decompositions of functions based on arity gap. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (Discret. Math., 2012)

Commuting Polynomial Operations of Distributive Lattices. - Mike Behrisch; Miguel Couceiro; Keith A. Kearnes; Erkko Lehtonen; Ágnes Szendrei (Order, 2012)

Additive Decomposability of Functions over Abelian Groups. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (Int. J. Algebra Comput., 2013)

Parametrized Arity Gap. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (Order, 2013)

Totally Symmetric Functions are Reconstructible from Identification Minors. - Erkko Lehtonen (Electron. J. Comb., 2014)

Associative string functions. - Erkko Lehtonen; Jean-Luc Marichal; Bruno Teheux (CoRR, 2014)

Reconstructing Multisets over Commutative Groupoids and Affine Functions over Nonassociative Semirings. - Erkko Lehtonen (Int. J. Algebra Comput., 2014)

Reconstructing Permutations from Identification Minors. - Erkko Lehtonen (Electron. J. Comb., 2015)

Set-reconstructibility of Post classes. - Miguel Couceiro; Erkko Lehtonen; Karsten Schölzel (Discret. Appl. Math., 2015)

On Equational Definability of Function Classes. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (J. Multiple Valued Log. Soft Comput., 2015)

A Survey on the Arity Gap. - Miguel Couceiro; Erkko Lehtonen; Tamás Waldhauser (J. Multiple Valued Log. Soft Comput., 2015)

Hypomorphic Sperner Systems and Non-Reconstructible Functions. - Miguel Couceiro; Erkko Lehtonen; Karsten Schölzel (Order, 2015)

A complete classification of equational classes of threshold functions included in clones. - Miguel Couceiro; Erkko Lehtonen; Karsten Schölzel (RAIRO Oper. Res., 2015)

On the Arity Gap of Finite Functions: Results and Applications. - Miguel Couceiro; Erkko Lehtonen (J. Multiple Valued Log. Soft Comput., 2016)

On Functions with a Unique Identification Minor. - Erkko Lehtonen (Order, 2016)

Posets of Minors of Functions in Multiple-Valued Logic. - Erkko Lehtonen; Tamás Waldhauser (ISMVL, 2017)

Majors of Functions. - Miguel Couceiro; Erkko Lehtonen (Order, 2018)

Minor Posets of Functions as Quotients of Partition Lattices. - Erkko Lehtonen; Tamás Waldhauser (Order, 2019)

Linearly definable classes of Boolean functions. - Miguel Couceiro; Erkko Lehtonen (ALGOS, 2020)

When Nominal Analogical Proportions Do Not Fail. - Miguel Couceiro; Erkko Lehtonen; Laurent Miclet; Henri Prade; Gilles Richard (SUM, 2020)

On the efficiency of normal form systems for representing Boolean functions. - Miguel Couceiro; Erkko Lehtonen; Pierre Mercuriali; Romain Péchoux (Theor. Comput. Sci., 2020)

Permutation Reconstruction From a Few Large Patterns. - Maria João Gouveia; Erkko Lehtonen (Electron. J. Comb., 2021)

A Galois Framework for the Study of Analogical Classifiers. - Miguel Couceiro; Erkko Lehtonen (IARML@IJCAI, 2022)

Reconstructing Young tableaux. - Alan J. Cain; Erkko Lehtonen (J. Comb. Theory A, 2022)

The associative-commutative spectrum of a binary operation. - Jia Huang; Erkko Lehtonen (Discret. Math., 2023)

Galois theory for analogical classifiers. - Miguel Couceiro; Erkko Lehtonen (Ann. Math. Artif. Intell., 2024)

Stability of Boolean Function Classes with Respect to Clones of Linear Functions. - Miguel Couceiro; Erkko Lehtonen (Order, 2024)