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FSTTCS
2010
Springer
13 years 4 months ago
Place-Boundedness for Vector Addition Systems with one zero-test
Reachability and boundedness problems have been shown decidable for Vector Addition Systems with one zero-test. Surprisingly, place-boundedness remained open. We provide here a va...
Rémi Bonnet, Alain Finkel, Jérô...
FSTTCS
2010
Springer
13 years 4 months ago
Computing Rational Radical Sums in Uniform TC^0
A fundamental problem in numerical computation and computational geometry is to determine the sign of arithmetic expressions in radicals. Here we consider the simpler problem of d...
Paul Hunter, Patricia Bouyer, Nicolas Markey, Jo&e...
FSTTCS
2010
Springer
13 years 4 months ago
Global Escape in Multiparty Sessions
Abstract. This paper proposes a global escape mechanism which can handle unexpected or unwanted conditions changing the default execution of distributed communicational flows, pres...
Sara Capecchi, Elena Giachino, Nobuko Yoshida
FSTTCS
2010
Springer
13 years 4 months ago
ATL with Strategy Contexts: Expressiveness and Model Checking
We study the alternating-time temporal logics ATL and ATL extended with strategy contexts: these make agents commit to their strategies during the evaluation of formulas, contrary...
Arnaud Da Costa Lopes, François Laroussinie...
FSTTCS
2010
Springer
13 years 4 months ago
Determining the Winner of a Dodgson Election is Hard
Computing the Dodgson Score of a candidate in an election is a hard computational problem, which has been analyzed using classical and parameterized analysis. In this paper we reso...
Michael R. Fellows, Bart M. P. Jansen, Daniel Loks...