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- W2473281687 abstract "The network design is a planning process of placing system components to provide service or meet certain needs in an economical way. It has strong links to real application areas, such as transportation network, communication network, supply chain, power grid, water distribution systems, etc. In practice, these infrastructures are very vulnerable to any failures of system components. Therefore, the design of such infrastructure networks should be robust and survivable to any failures caused by many factors, for example, natural disasters, intentional attacks, system limits, etc. In this dissertation, we first summarize the background and motivations of our research topic on network design problems. Different from literatures on network design, we consider both uncertain node and link failures during the network design process. The first part of our research is to design a survivable network with mixed connectivity requirements, or the (k, l)-connectivity. The designed network can still be connected after failures of any k vertices and (l − 1) edges or failures of any (k − 1) vertices and l edges. After formally proving its relationships to edge and vertex disjoint paths, we present two integer programming (IP) formulations, valid inequalities to strengthen the IP formulations, and a cutting plane algorithm. Numerical experiments are performed on randomly generated graphs to compare these approaches. Special cases of this problem include: when k = 0, l = 1, this problem becomes the well-known minimum spanning tree problem; and when k = 0, l ≥ 1, this problem is to find a minimum-cost l-edge-connected spanning subgraph, while when k ≥ 2, l = 0, the problem is to find a minimum-cost k-vertex-connected spanning subgraph. As a generalization of k-minimum spanning tree and λ-edge-connected span-" @default.
- W2473281687 created "2016-07-22" @default.
- W2473281687 creator A5070619606 @default.
- W2473281687 date "2016-01-01" @default.
- W2473281687 modified "2023-09-27" @default.
- W2473281687 title "Robust and Survivable Network Design Considering Uncertain Node and Link Failures" @default.
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