TIT
2010
12 years 11 months ago
2010
Abstract--We establish that the min-sum messagepassing algorithm and its asynchronous variants converge for a large class of unconstrained convex optimization problems, generalizin...
TIP
2010
12 years 11 months ago
2010
Much research has been devoted to the problem of restoring Poissonian images, namely for medical and astronomical applications. However, the restoration of these images using state...
CDC
2010
IEEE
12 years 11 months ago
2010
IEEE
This paper studies a general class of formations of unicycle robots. One of the robots plays the role of the leader and the formation is induced through a constraint function F tha...
CONCUR
2009
Springer
13 years 2 months ago
2009
Springer
Convergence is often the key liveness property for distributed systems that interact with physical processes. Techniques for proving convergence (asymptotic stability) have been ex...
MP
1998
13 years 4 months ago
1998
In recent years second-order sufficient conditions of an isolated local minimizer for convex composite optimization problems have been established. In this paper, second-order opt...
SIAMCO
2000
13 years 4 months ago
2000
Abstract. For discrete-time linear systems over a principal ideal domain, three types of (C, A)invariance can be distinguished. Connections between these notions are investigated. ...
BSL
2000
13 years 4 months ago
2000
In the spirit of a theorem of Wood [21], we give necessary and sufficient conditions for a family of germs of analytic hypersurfaces in a smooth projective toric variety X to be i...
CN
2004
13 years 4 months ago
2004
Congestion-based pricing of network resources is a common approach in evolving network architectures that support Quality of Service (QoS). Resource usage and QoS will thus fluctu...
APPML
2002
13 years 4 months ago
2002
Let V () be a shift invariant subspace of L2 (R) generated by a Riesz or frame generator (t) in L2 (R). We assume that (t) is suitably chosen so that the regular sampling expansio...
APPML
2004
13 years 4 months ago
2004
Abstract. The aim of this paper is to give sufficient conditions for a quasiconvex setvalued mapping to be convex. In particular, we recover several known characterizations of conv...