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JC
2007
94views more  JC 2007»
13 years 8 months ago
On the complexity of the multivariate Sturm-Liouville eigenvalue problem
We study the complexity of approximating the smallest eigenvalue of −∆ + q with Dirichlet boundary conditions on the d-dimensional unit cube. Here ∆ is the Laplacian, and th...
A. Papageorgiou
JPDC
2006
117views more  JPDC 2006»
13 years 8 months ago
Efficient synthesis of out-of-core algorithms using a nonlinear optimization solver
We address the problem of efficient out-of-core code generation for a special class of imperfectly nested loops encoding tensor contractions arising in quantum chemistry computati...
Sandhya Krishnan, Sriram Krishnamoorthy, Gerald Ba...
JCC
2008
131views more  JCC 2008»
13 years 8 months ago
An optimized initialization algorithm to ensure accuracy in quantum Monte Carlo calculations
: Quantum Monte Carlo (QMC) calculations require the generation of random electronic configurations with respect to a desired probability density, usually the square of the magnitu...
Daniel R. Fisher, David R. Kent IV, Michael T. Fel...
STOC
2003
ACM
88views Algorithms» more  STOC 2003»
14 years 9 months ago
Exponential algorithmic speedup by a quantum walk
Andrew M. Childs, Richard Cleve, Enrico Deotto, Ed...