63 search results - page 5 / 13 » Algebras and Coalgebras |
ITA
2007
13 years 7 months ago
2007
Abstract For finitary set functors preserving inverse images several concepts of coalgebras A are proved to be equivalent: (i) A has a homomorphism into the initial algebra, (ii) ...
IANDC
2010
13 years 6 months ago
2010
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...
FOSSACS
2008
Springer
13 years 9 months ago
2008
Springer
Coalgebras provide a uniform framework for the semantics of a large class of (mostly non-normal) modal logics, including e.g. monotone modal logic, probabilistic and graded modal l...
ACS
2008
13 years 7 months ago
2008
Abstract Localisation is an important technique in ring theory and yields the construction of various rings of quotients. Colocalisation in comodule categories has been investigate...
ENTCS
2006
13 years 7 months ago
2006
We introduce the notion of functional stream derivative, generalising the notion of input derivative of rational expressions (Brzozowski 1964) to the case of stream functions over...