851 search results - page 138 / 171 » Random constructions and density results |
CPHYSICS
2008
14 years 10 months ago
2008
We present wannier90, a program for calculating maximally-localised Wannier functions (MLWF) from a set of Bloch energy bands that may or may not be attached to or mixed with othe...
SIGOPS
2008
14 years 10 months ago
2008
This paper describes Project Kittyhawk, an undertaking at IBM Research to explore the construction of a nextgeneration platform capable of hosting many simultaneous web-scale work...
116
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BMCBI
2010
14 years 5 months ago
2010
Background: Nonparametric Bayesian techniques have been developed recently to extend the sophistication of factor models, allowing one to infer the number of appropriate factors f...
TCC
2009
Springer
15 years 10 months ago
2009
Springer
We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...
110
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FOCS
2005
IEEE
15 years 3 months ago
2005
IEEE
We give a general technique to obtain approximation mechanisms that are truthful in expectation. We show that for packing domains, any α-approximation algorithm that also bounds ...