On Accuracy of Approximation for the Resource Constrained Shortest Path Problem
The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NP- hard extension of a well-known shortest path problem in the directed graph G = (V;E). In the RCSP problem each arc e from E has a cost w(e) and additional weight functions ri(e); i = 1; : : : ; k, which...
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| Published in: | Journal of Siberian Federal University. Mathematics & Physics Vol. 12; no. 5; pp. 621 - 627 |
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| Format: | Journal Article |
| Language: | English |
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Krasnoyarsk
Siberian Federal University
01.01.2019
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| ISSN: | 1997-1397, 2313-6022 |
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| Abstract | The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NP- hard extension of a well-known shortest path problem in the directed graph G = (V;E). In the RCSP problem each arc e from E has a cost w(e) and additional weight functions ri(e); i = 1; : : : ; k, which specifying its requirements from a finite set of resource. A polynomial time ϵ-approximation algorithm RevTree based on node labeling method is presented in the paper. The main advantage of the RevTree algorithm over existing ones is its ability to produce ϵ approximation of the RCSP problem in O(jV j2) time. The present paper provides a proof of complexity and aproximation of RevTree algorithm |
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| AbstractList | The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NP- hard extension of a well-known shortest path problem in the directed graph G = (V;E). In the RCSP problem each arc e from E has a cost w(e) and additional weight functions ri(e); i = 1; : : : ; k, which specifying its requirements from a finite set of resource. A polynomial time ϵ-approximation algorithm RevTree based on node labeling method is presented in the paper. The main advantage of the RevTree algorithm over existing ones is its ability to produce ϵ approximation of the RCSP problem in O(jV j2) time. The present paper provides a proof of complexity and aproximation of RevTree algorithm The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NPhard extension of a well-known shortest path problem in the directed graph G = (V,E). In the RCSP problem each arc e from E has a cost w(e) and additional weight functions ri(e),i = k, which specifying its requirements from a finite set of resource. A polynomial time e-approximation algorithm RevTree based on node labeling method is presented in the paper. The main advantage of the RevTree algorithm over existing ones is its ability to produce e approximation of the RCSP problem in O(\V|2) time. The present paper provides a proof of complexity and aproximation of RevTree algorithm. |
| Author | Soldatenko, Aleksandr A. |
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| Cites_doi | 10.1287/opre.42.5.977 10.1016/0022-247X(66)90020-5 10.1002/net.10090 10.1016/j.disopt.2014.08.001 10.1007/3-540-45253-2_30 10.1109/tnet.2007.900712 10.1016/j.cor.2016.04.013 10.1287/moor.17.1.36 |
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| Snippet | The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NP- hard extension of a well-known shortest path problem in the... The paper we considers the Resource Constrained Shortest Path problem (RCSP). This problem is NPhard extension of a well-known shortest path problem in the... |
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| SubjectTerms | Algorithms Approximation Critical path Graph theory Graphs Mathematical analysis Polynomials Shortest-path problems Weighting functions |
| Title | On Accuracy of Approximation for the Resource Constrained Shortest Path Problem |
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