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  • Articles: DFG German National Licenses  (2)
  • Optimization  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computational optimization and applications 2 (1993), S. 229-259 
    ISSN: 1573-2894
    Keywords: Optimization ; network programming ; auction ; transportation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract In this paper we broadly generalize the assignment auction algorithm to solve linear minimum cost network flow problems. We introduce a generic algorithm, which contains as special cases a number of known algorithms, including the ε-relaxation method, and the auction algorithm for assignment and for transportation problems. The generic algorithm can serve as a broadly useful framework for the development and the complexity analysis of specialized auction algorithms that exploit the structure of particular network problems. Using this framework, we develop and analyze two new algorithms, an algorithm for general minimum cost flow problems, called network auction, and an algorithm for thek node-disjoint shortest path problem.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computational optimization and applications 2 (1993), S. 317-336 
    ISSN: 1573-2894
    Keywords: Optimization ; network programming ; primal-dual ; transshipment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract In this paper we discuss the parallel asynchronous implementation of the classical primaldual method for solving the linear minimum cost network flow problem. Multiple augmentations and price rises are simultaneously attempted starting from several nodes with possibly outdated price and flow information. The results are then merged asynchronously subject to rather weak compatibility conditions. We show that this algorithm is valid, terminating finitely to an optimal solution. We also present computational results using an Encore MULTIMAX that illustrate the speedup that can be obtained by parallel implementation.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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