The Steiner problem on a surface
โ Scribed by Jiang Xin-yao
- Publisher
- Springer
- Year
- 1987
- Tongue
- English
- Weight
- 273 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0253-4827
No coin nor oath required. For personal study only.
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In 2002, Lin and Xue [Inform. Process. Lett. 84 (2002) 103-107] introduced a variant of the graph Steiner tree problem, in which each terminal vertex is required to be a leaf in the solution Steiner tree. They presented a ฯ + 2 approximation algorithm, where ฯ is the approximation ratio of the bes
We investigate a practical variant of the well-known graph Steiner tree problem. In this variant, every target vertex is required to be a leaf vertex in the solution Steiner tree. We present hardness results for this variant as well as a polynomial time approximation algorithm with performance ratio