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ICALP
1998
Springer
13 years 9 months ago
Bridges for Concatenation Hierarchies
In the seventies, several classification schemes for the rational languages were proposed, based on the alternate use of certain operators (union, complementation, product and star...
Jean-Eric Pin
ICALP
1998
Springer
13 years 9 months ago
Metric Semantics for True Concurrent Real Time
This paper investigates the use of a complete metric space framework for providing denotational semantics to a real-time process algebra. The study is carried out in a non-interlea...
Christel Baier, Joost-Pieter Katoen, Diego Latella
ECCC
2000
101views more  ECCC 2000»
13 years 5 months ago
Simplified derandomization of BPP using a hitting set generator
Abstract. A hitting-set generator is a deterministic algorithm that generates a set of strings such that this set intersects every dense set that is recognizable by a small circuit...
Oded Goldreich, Salil P. Vadhan, Avi Wigderson
ICALP
1998
Springer
13 years 9 months ago
Efficient Approximation Algorithms for the Subset-Sums Equality Problem
We investigate the problem of finding two nonempty disjoint subsets of a set of n positive integers, with the objective that the sums of the numbers in the two subsets be as close ...
Cristina Bazgan, Miklos Santha, Zsolt Tuza
ICALP
1998
Springer
13 years 9 months ago
Constraint Automata and the Complexity of Recursive Subtype Entailment
Abstract. We study entailment of structural and nonstructural recursive subtyping constraints. Constraints are formal inequalities between type expressions, interpreted over an ord...
Fritz Henglein, Jakob Rehof