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CORR
2007
Springer
151views Education» more  CORR 2007»
13 years 10 months ago
The Complexity of Games on Higher Order Pushdown Automata
Abstract. We prove an n-exptime lower bound for the problem of deciding the winner in a reachability game on Higher Order Pushdown Automata (HPDA) of level n. This bound matches th...
Thierry Cachat, Igor Walukiewicz
LOGCOM
2006
58views more  LOGCOM 2006»
13 years 10 months ago
Proof Theory for Casari's Comparative Logics
Comparative logics were introduced by Casari in the 1980s to treat aspects of comparative reasoning occurring in natural language. In this paper Gentzen systems are defined for the...
George Metcalfe
DAM
2011
13 years 4 months ago
Hamiltonian index is NP-complete
In this paper we show that the problem to decide whether the hamiltonian index of a given graph is less or equal to a given constant is ∗ Research supported by grants No. 1M0545...
Zdenek Ryjácek, Gerhard J. Woeginger, Limin...
FORMATS
2009
Springer
14 years 4 months ago
Analyzing Real-Time Event-Driven Programs
Embedded real-time systems are typically programmed in low-level languages which provide support for event-driven task processing and real-time interrupts. We show that the model c...
Pierre Ganty, Rupak Majumdar
FOSSACS
2007
Springer
14 years 4 months ago
A Lower Bound on Web Services Composition
A web service is modeled here as a finite state machine. A composition problem for web services is to decide if a given web service can be constructed from a given set of web serv...
Anca Muscholl, Igor Walukiewicz