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13 years 7 months ago
Ant-Q Hyper-Heuristic Approach for solving 2-Dimensional Cutting Stock Problem
Hyper-heuristics are new approaches which aim at raising the level of abstraction when solving combinatorial optimisation problems. In this paper we introduce a new hyper-heuristi...
Imen Khamassi, Moez Hammami, Khaled Ghédira
ADCM
2011
14 years 4 months ago
Perturbed preconditioned inverse iteration for operator eigenvalue problems with applications to adaptive wavelet discretization
ABSTRACT. In this paper we discuss an abstract iteration scheme for the calculation of the smallest eigenvalue of an elliptic operator eigenvalue problem. A short and geometric pro...
Thorsten Rohwedder, Reinhold Schneider, Andreas Ze...
CORR
2011
Springer
159views Education» more  CORR 2011»
14 years 4 months ago
Multicriteria Steiner Tree Problem for Communication Network
Abstract—This paper addresses combinatorial optimization schemes for solving the multicriteria Steiner tree problem for communication network topology design (e.g., wireless mesh...
Mark Sh. Levin, Rustem I. Nuriakhmetov
SIAMJO
2010
128views more  SIAMJO 2010»
14 years 4 months ago
Solving Log-Determinant Optimization Problems by a Newton-CG Primal Proximal Point Algorithm
We propose a Newton-CG primal proximal point algorithm for solving large scale log-determinant optimization problems. Our algorithm employs the essential ideas of the proximal poi...
Chengjing Wang, Defeng Sun, Kim-Chuan Toh
CDC
2010
IEEE
126views Control Systems» more  CDC 2010»
14 years 4 months ago
Bifurcation of singular arcs in an optimal control problem for cancer immune system interactions under treatment
A mathematical model for cancer treatment that includes immunological activity is considered as an optimal control problem. In the uncontrolled system there exist both a region of ...
Urszula Ledzewicz, Mohammad Naghnaeian, Heinz Sch&...