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» Monads Need Not Be Endofunctors
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FOSSACS
2010
Springer
13 years 11 months ago
Monads Need Not Be Endofunctors
Abstract. We introduce a generalisation of monads, called relative monads, allowing for underlying functors between different categories. Examples include finite-dimensional vect...
Thorsten Altenkirch, James Chapman, Tarmo Uustalu
TCS
2010
12 years 11 months ago
Monad transformers as monoid transformers
The incremental approach to modular monadic semantics constructs complex monads by using monad transformers to add computational features to a preexisting monad. A complication of...
Mauro Jaskelioff, Eugenio Moggi
FCT
2001
Springer
13 years 9 months ago
Universal Algebra and Computer Science
Abstract. Generalising modules over associative rings, the notion of modules for an endofunctor of any category is well established and useful in large parts of mathematics includi...
Boris I. Plotkin, Tanya Plotkin
ENTCS
2002
136views more  ENTCS 2002»
13 years 4 months ago
Final Coalgebras And a Solution Theorem for Arbitrary Endofunctors
Every endofunctor F of Set has an initial algebra and a final coalgebra, but they are classes in general. Consequently, the endofunctor F of the category of classes that F induces...
Jirí Adámek, Stefan Milius, Jiri Vel...
CALCO
2009
Springer
159views Mathematics» more  CALCO 2009»
13 years 11 months ago
Complete Iterativity for Algebras with Effects
Abstract. Completely iterative algebras (cias) are those algebras in which recursive equations have unique solutions. In this paper we study complete iterativity for algebras with ...
Stefan Milius, Thorsten Palm, Daniel Schwencke