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FOCS
2000
IEEE
13 years 11 months ago
Fast parallel circuits for the quantum Fourier transform
We give new bounds on the circuit complexity of the quantum Fourier transform (QFT). We give an upper bound of Ç´ÐÓ Ò · ÐÓ ÐÓ ´½ µµ on the circuit depth for computin...
Richard Cleve, John Watrous
INFORMATICALT
2010
88views more  INFORMATICALT 2010»
13 years 5 months ago
Inapproximability Results for Wavelength Assignment in WDM Optical Networks
We address the issue of inapproximability of the wavelength assignment problem in wavelength division multiplexing (WDM) optical networks. We prove that in an n-node WDM optical ne...
Keqin Li
ANOR
2005
120views more  ANOR 2005»
13 years 6 months ago
Solving the Vehicle Routing Problem with Stochastic Demands using the Cross-Entropy Method
An alternate formulation of the classical vehicle routing problem with stochastic demands (VRPSD) is considered. We propose a new heuristic method to solve the problem. The algori...
Krishna Chepuri, Tito Homem-de-Mello
GLOBECOM
2006
IEEE
14 years 23 days ago
Link Performance Bounds in Homogeneous Optically Switched Ring Networks
— We consider a ring topology with limited or full switching capability as deployed in high bandwidth metro optical networks and develop a model to estimate the probability of bl...
Shujia Gong, Bijan Jabbari
CONSTRAINTS
2008
78views more  CONSTRAINTS 2008»
13 years 6 months ago
Boosting Haplotype Inference with Local Search
Abstract. A very challenging problem in the genetics domain is to infer haplotypes from genotypes. This process is expected to identify genes affecting health, disease and response...
Inês Lynce, João Marques-Silva, Steve...