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STACS
2010
Springer
14 years 17 days ago
Decidability of the Interval Temporal Logic ABB over the Natural Numbers
In this paper, we focus our attention on the interval temporal logic of the Allen’s relations “meets”, “begins”, and “begun by” (ABB for short), interpreted over natu...
Angelo Montanari, Pietro Sala, Guido Sciavicco
STACS
2010
Springer
14 years 2 months ago
Named Models in Coalgebraic Hybrid Logic
Hybrid logic extends modal logic with support for reasoning about individual states, designated by so-called nominals. We study hybrid logic in the broad context of coalgebraic sem...
Lutz Schröder, Dirk Pattinson
STACS
2010
Springer
14 years 2 months ago
The Remote Point Problem, Small Bias Spaces, and Expanding Generator Sets
Using ε-bias spaces over F2, we show that the Remote Point Problem (RPP), introduced by Alon et al [APY09], has an NC2 algorithm (achieving the same parameters as [APY09]). We stu...
Vikraman Arvind, Srikanth Srinivasan
STACS
2010
Springer
14 years 2 months ago
Robust Fault Tolerant Uncapacitated Facility Location
In the uncapacitated facility location problem, given a graph, a set of demands and opening costs, it is required to find a set of facilities R, so as to minimize the sum of the c...
Shiri Chechik, David Peleg
STACS
2010
Springer
14 years 2 months ago
On Optimal Heuristic Randomized Semidecision Procedures, with Application to Proof Complexity
The existence of a (p-)optimal propositional proof system is a major open question in (proof) complexity; many people conjecture that such systems do not exist. Kraj´ıˇcek and P...
Edward A. Hirsch, Dmitry Itsykson