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175
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SIAMSC
2011
15 years 25 days ago
2011
In this paper we describe a general framework for deriving modified equations for stochastic differential equations with respect to weak convergence. Modified equations are deri...
159
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CLEF
2008
Springer
15 years 7 months ago
2008
Springer
This paper presents WikiTranslate, a system which performs query translation for cross-lingual information retrieval (CLIR) using only Wikipedia to obtain translations. Queries ar...
133
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SIAMJO
2008
15 years 5 months ago
2008
We present a nonsmooth optimization technique for nonconvex maximum eigenvalue functions and for nonsmooth functions which are infinite maxima of eigenvalue functions. We prove glo...
162
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JOC
2007
15 years 5 months ago
2007
We give an informal analysis and critique of several typical “provable security” results. In some cases there are intuitive but convincing arguments for rejecting the conclusi...
128
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SIAMCO
2002
15 years 5 months ago
2002
Abstract. We consider feasible sets given by conic constraints, where the cone defining the constraints is convex with nonempty interior. We study the case where the feasible set i...