Algebra universalis

• 

  Año 2011, Vol. 66, Número 1-2

  • The variety of quasi-Stone algebras does not have the amalgamation property

    Sara-Kaja Fischer

    págs. 1-3

    

  • Lattice tolerances and congruences

    Gábor Czédli, George Grätzer

    págs. 5-6

    

  • Axiomatizability of positive algebras of binary relations

    Hajnal Andréka, Szabolcs Mikulás

    págs. 7-34

    

  • Lambda-rings of automorphisms

    Jonathan D. H. Smith

    págs. 35-48

    

  • Hermitean (semi) lattices and Rolf's lattice

    Ana Cecilia de la Maza, Remo Moresi

    págs. 49-62

    

  • Congruence modularity at 0

    Benedek Skublics

    págs. 63-67

    

  • The Jordan-Hölder theorem with uniqueness for groups and semimodular lattices

    Gábor Czédli, E. Tamás Schmidt

    págs. 69-79

    

  • The number of monounary algebras

    Gábor Horváth, Kamilla Kátai-Urbán, Péter Pál Pach, Gabriella Pluhár, Csaba Szabó

    págs. 81-83

    

  • Axioms for function semigroups with agreement quasi-order

    Tim Stokes

    págs. 85-98

    

  • On strongly symmetric skew lattices

    Karin Cvetko-Vah

    págs. 99-113

    

  • Varieties of interlaced bilattices

    Félix Bou Moliner, Ramón Jansana Ferrer, Umberto Rivieccio

    págs. 115-141

    

  • Maximal extensions of partial orders preserving antimonotonicity

    Jeno Szigeti

    págs. 143-150

    

  • Finite pseudocomplemented lattices: The spectra and the Glivenko congruence

    T. Katrinák, J. Gurican

    págs. 151-161

    

  • Representation of Nelson algebras by rough sets determined by quasiorders

    Jouni Järvinen, Sándor Radeleczki

    págs. 163-179

    

  • Erratum to: Representation of Nelson algebras by rough sets determined by quasiorders

    Jouni Järvinen, Sándor Radeleczki

    pág. 181

    

  • Concurrent algebras: an algebraic study of a fragment of concurrent propositional dynamic logic

    Sergio Arturo Celani

    págs. 183-204