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EnglishThis paper presents an extensive study on the problem of computing maximum upward planar subgraphs of embedded planar digraphs: Complexity results, algorithms, and experiments are presented. Namely: (i) We prove that the addressed problem is NP-Hard; (ii) A fast heuristic and an exponential-time exact algorithm are described; (iii) A wide experimental analysis is performed to show the effectiveness of our techniques.
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http://hdl.handle.net/11391/31794| Titolo: | Maximum Upward Planar Subgraphs of Embedded Planar Digraphs |
| Autori interni: | BINUCCI, Carla DIDIMO, WALTER GIORDANO, FRANCESCO |
| Data di pubblicazione: | 2008 |
| Abstract: | This paper presents an extensive study on the problem of computing maximum upward planar subgraphs of embedded planar digraphs: Complexity results, algorithms, and experiments are presented. Namely: (i) We prove that the addressed problem is NP-Hard; (ii) A fast heuristic and an exponential-time exact algorithm are described; (iii) A wide experimental analysis is performed to show the effectiveness of our techniques. |
| Handle: | http://hdl.handle.net/11391/31794 |
| ISBN: | 9783540775362 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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