Algebra universalis

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  Año 2011, Vol. 65, Número 1

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    Principal congruences on pseudocomplemented semilattices

    R. J. Bignall, M. Spinks

    págs. 1-7

    
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    Fixed elements in involutive residuated lattices

    Jeffrey S. Olson

    págs. 9-19

    
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    On the prevariety of perfect lattices

    Kira Adaricheva

    págs. 21-39

    
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    Freeoids: a semi-abstract view on endomorphism monoids of relatively free algebras

    Janis Cirulis

    págs. 41-60

    
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    On the generation of clones containing near-unanimity operations

    Sebastian Kerkhoff

    págs. 61-72

    
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    Rigidity of unary algebras and its application to the HS = SH problem

    Tomasz Brengos

    págs. 73-89

    
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    Finite distributive lattices are congruence lattices of almost-geometric lattices

    Gábor Czédli, E. Tamás Schmidt

    págs. 91-108