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BIRTHDAY
2006
Springer
13 years 8 months ago
Some Varieties of Equational Logic
d Abstract) Gordon Plotkin1, LFCS, School of Informatics, University of Edinburgh, UK. The application of ideas from universal algebra to computer science has long been a major the...
Gordon D. Plotkin
MFPS
1993
13 years 8 months ago
Some Quasi-Varieties of Iteration Theories
All known structures involving a constructively obtainable fixed point (or iteration) operation satisfy the equational laws defining iteration theories. Hence, there seems to be...
Stephen L. Bloom, Zoltán Ésik
JSYML
2008
66views more  JSYML 2008»
13 years 4 months ago
Flat algebras and the translation of universal Horn logic to equational logic
We describe which subdirectly irreducible flat algebras arise in the variety generated by an arbitrary class of flat algebras with absorbing bottom element. This is used to give an...
Marcel Jackson
IANDC
2010
102views more  IANDC 2010»
13 years 3 months ago
Presenting functors on many-sorted varieties and applications
This paper studies several applications of the notion of a presentation of a functor by operations and equations. We show that the technically straightforward generalisation of th...
Alexander Kurz, Daniela Petrisan