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CORR
2008
Springer
107views Education» more  CORR 2008»
15 years 6 months ago
Power Series Composition and Change of Basis
Efficient algorithms are known for many operations on truncated power series (multiplication, powering, exponential, . . . ). Composition is a more complex task. We isolate a larg...
Alin Bostan, Bruno Salvy, Éric Schost
IPL
2008
99views more  IPL 2008»
15 years 6 months ago
A CKY parser for picture grammars
We study the complexity of the membership or parsing problem for pictures generated by a family of picture grammars: Siromoney's Context-Free Kolam Array grammars (coincident...
Stefano Crespi-Reghizzi, Matteo Pradella
IPL
2007
69views more  IPL 2007»
15 years 6 months ago
On the fixed-parameter tractability of the equivalence test of monotone normal forms
We consider the problem Monet—given two monotone formulas ϕ in DNF and ψ in CNF, decide whether they are equivalent. While Monet is probably not coNPhard, it is a long standin...
Matthias Hagen
CORR
2004
Springer
98views Education» more  CORR 2004»
15 years 6 months ago
A feasible algorithm for typing in Elementary Affine Logic
We give a new type inference algorithm for typing lambda-terms in Elementary Affine Logic (EAL), which is motivated by applications to complexity and optimal reduction. Following p...
Patrick Baillot, Kazushige Terui
LATIN
2010
Springer
15 years 4 months ago
The Interval Constrained 3-Coloring Problem
Abstract In this paper, we settle the open complexity status of interval constrained coloring with a fixed number of colors. We prove that the problem is already NP-complete if th...
Jaroslaw Byrka, Andreas Karrenbauer, Laura Sanit&a...