TY - JOUR A1 - Möller, Bernhard T1 - Lazy Kleene Algebra T2 - Lecture Notes in Computer Science N2 - We propose a relaxation of Kleene algebra by giving up strictness and right-distributivity of composition. This allows the subsumption of Dijkstra's computation calculus, Cohen's omega algebra and von Wright's demonic refinement algebra. Moreover, by adding domain and codomain operators we can also incorporate modal operators. Finally, it is shown that the predicate transformers form lazy Kleene algebras again, the disjunctive and conjunctive ones even lazy Kleene algebras with an omega operation. Y1 - 2004 UR - https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/35962 UR - https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-359624 SN - 0302-9743 VL - 3125 SP - 252 EP - 273 PB - Springer ER -