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FLOPS
2008
Springer
13 years 11 months ago
Certified Exact Real Arithmetic Using Co-induction in Arbitrary Integer Base
In this paper we describe some certified algorithms for exact real arithmetic based on co-recursion. Our work is based on previous experiences using redundant digits of base 2 but ...
Nicolas Julien
ISTCS
1997
Springer
14 years 2 months ago
An Exact Quantum Polynomial-Time Algorithm for Simon's Problem
We investigate the power of quantum computers when they are required to return an answer that is guaranteed to be correct after a time that is upper-bounded by a polynomial in the...
Gilles Brassard, Peter Høyer
DISOPT
2007
93views more  DISOPT 2007»
13 years 10 months ago
A polynomial time equivalence between DNA sequencing and the exact perfect matching problem
We investigate the computational complexity of a combinatorial problem that arises in DNA sequencing by hybridization: The input consists of an integer together with a set S of wo...
Jacek Blazewicz, Piotr Formanowicz, Marta Kasprzak...
ACS
2011
13 years 5 months ago
Descent for Regular Epimorphisms in Barr Exact Goursat Categories
: We show that the category of regular epimorphisms in a Barr exact Goursat category is almost Barr exact in the sense that (it is a regular category and) every regular epimorphism...
George Janelidze, Manuela Sobral