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JCT
2008
120views more  JCT 2008»
15 years 1 months ago
Approximate min-max theorems for Steiner rooted-orientations of graphs and hypergraphs
Given an undirected hypergraph and a subset of vertices S V with a specified root vertex r S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the hypered...
Tamás Király, Lap Chi Lau
ORL
2008
60views more  ORL 2008»
15 years 1 months ago
Lot-sizing on a tree
For the problem of lot-sizing on a tree with constant capacities, or stochastic lot-sizing with a scenario tree, we present various reformulations based on mixing sets. We also sh...
Marco Di Summa, Laurence A. Wolsey
SIAMCO
2008
83views more  SIAMCO 2008»
15 years 1 months ago
Necessary Conditions for Multiobjective Optimal Control Problems with Free End-Time
Abstract. Necessary conditions of optimality are derived for multiobjective optimal control problems with free end-time, in which the dynamics constraint is modeled as a nonconvex ...
B. T. Kien, N.-C. Wong, J. C. Yao
MOC
2000
67views more  MOC 2000»
15 years 29 days ago
A posteriori error estimates for upwind finite volume schemes for nonlinear conservation laws in multi dimensions
In this paper we shall derive a posteriori error estimates in the L1-norm for upwind finite volume schemes for the discretization of nonlinear conservation laws on unstructured gri...
Dietmar Kröner, Mario Ohlberger
MOC
1998
104views more  MOC 1998»
15 years 26 days ago
Chaos in the Lorenz equations: A computer assisted proof. Part II: Details
Abstract. Details of a new technique for obtaining rigorous results concerning the global dynamics of nonlinear systems is described. The technique abstract existence results based...
Konstantin Mischaikow, Marian Mrozek