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» Monadic Bounded Algebras
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ACS
2005
13 years 9 months ago
Limits for Lax Morphisms
We investigate limits in the 2-category of strict algebras and lax morphisms for a 2-monad. This includes both the 2-category of monoidal categories and monoidal functors as well ...
Stephen Lack
LFP
1990
96views more  LFP 1990»
13 years 11 months ago
Comprehending Monads
Category theorists invented monads in the 1960's to concisely express certain aspects of universal algebra. Functional programmers invented list comprehensions in the 1970�...
Philip Wadler
IJIIDS
2010
136views more  IJIIDS 2010»
13 years 4 months ago
Kleisli category and database mappings
Abstract. This paper presents the semantics of database mappings in the relational database (DB) category, based on the power-view monad T and monadic algebras. The semantics can b...
Zoran Majkic, Bhanu Prasad
LICS
2008
IEEE
14 years 4 months ago
Caterpillar Duality for Constraint Satisfaction Problems
The study of constraint satisfaction problems definable in various fragments of Datalog has recently gained considerable importance. We consider constraint satisfaction problems ...
Catarina Carvalho, Víctor Dalmau, Andrei A....
DLT
2004
13 years 11 months ago
Recognizable Sets of Graphs, Hypergraphs and Relational Structures: A Survey
New results on the recognizability of sets of finite graphs, hypergraphs and relational structures are presented. The general framework of this research which associates tightly a...
Bruno Courcelle