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2. Steiner tree problem - Wikipedia

   en.wikipedia.org/wiki/Steiner_tree_problem

   In combinatorial mathematics, the Steiner tree problem, or minimum Steiner tree problem, named after Jakob Steiner, is an umbrella term for a class of problems in combinatorial optimization. While Steiner tree problems may be formulated in a number of settings, they all require an optimal interconnect for a given set of objects and a predefined ...

3. k-minimum spanning tree - Wikipedia

   en.wikipedia.org/wiki/K-minimum_spanning_tree

   The goal of the Steiner tree problem is to connect these terminals by a tree whose weight is as small as possible. To transform this problem into an instance of the k-minimum spanning tree problem, Ravi et al. (1996) attach to each terminal a tree of zero-weight edges with a large number t of vertices per tree.

4. Number of ways to volunteer at SWCD: Hazel Woods, tree ...

   www.aol.com/number-ways-volunteer-swcd-hazel...

   The tree orders are prepared and packed at local FFA shops (this year will be at Hillsdale FFA during the middle of April). If you are not afraid to get dirty and would like to help pack trees ...

5. Wiener connector - Wikipedia

   en.wikipedia.org/wiki/Wiener_connector

   The optimal solutions to the Steiner tree problem and the minimum Wiener connector can differ. Define the set of query vertices Q by Q = {v 1, ..., v 10}.The unique optimal solution to the Steiner tree problem is Q itself, which has Wiener index 165, whereas the optimal solution for the minimum Wiener connector problem is Q ∪ {r 1, r 2}, which has Wiener index 142.

6. Euclidean minimum spanning tree - Wikipedia

   en.wikipedia.org/.../Euclidean_minimum_spanning_tree

   The Steiner tree problem again seeks a system of line segments connecting all given points, but without requiring the segments to start and end only at given points. In this problem, additional points may be added as segment endpoints, allowing the Steiner tree to be shorter than the minimum spanning tree. [12]

7. Category:NP-complete problems - Wikipedia

   en.wikipedia.org/wiki/Category:NP-complete_problems

   Set packing; Set splitting problem; Set TSP problem; Shakashaka; Shared risk resource group; Shikaku; Shortest common supersequence; Single-machine scheduling; Skew-symmetric graph; Slitherlink; Slope number; Smallest grammar problem; Sokoban; Star coloring; Steiner tree problem; String graph; String-to-string correction problem; Strong ...