We study the following problem: Given a transition system T and its quotient T/∼ under an equivalence ∼, which are the sets L, L′ of Hennessy-Milner formulae such that: if ...
We are interested in the expressiveness of constraints represented by general first order formulae, with equality as unique relation symbol and function symbols taken from an infi...
Deriving test cases from specifications is now recognised as a major application of formal methods to software development. Several methods have been proposed for various formalism...
We investigate fast algorithms for changing between the standard basis and an orthogonal basis of idempotents for M¨obius algebras of finite lattices. We show that every lattice...
The algebraic framework introduced in [Koutis, Proc. of the 35th ICALP 2008] reduces several combinatorial problems in parameterized complexity to the problem of detecting multili...