APSP on Geometrically Weighted Graphs: Difference between revisions
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[[File:All-Pairs Shortest Paths (APSP) - APSP on Geometrically Weighted Graphs - Space.png|1000px]] | [[File:All-Pairs Shortest Paths (APSP) - APSP on Geometrically Weighted Graphs - Space.png|1000px]] | ||
== | == Space-Time Tradeoff Improvements == | ||
[[File:All-Pairs Shortest Paths (APSP) - APSP on Geometrically Weighted Graphs - Pareto Frontier.png|1000px]] | [[File:All-Pairs Shortest Paths (APSP) - APSP on Geometrically Weighted Graphs - Pareto Frontier.png|1000px]] | ||
Revision as of 14:35, 15 February 2023
Description
In this case, the graph $G=(V,E)$ that we consider may be dense or sparse, may be directed or undirected, and has weights from a fixed set of $c$ values.
Related Problems
Generalizations: APSP
Related: APSP on Dense Directed Graphs with Arbitrary Weights, APSP on Dense Undirected Graphs with Arbitrary Weights, APSP on Dense Undirected Graphs with Positive Integer Weights, APSP on Sparse Directed Graphs with Arbitrary Weights, APSP on Sparse Undirected Graphs with Positive Integer Weights, APSP on Sparse Undirected Graphs with Arbitrary Weights, APSP on Dense Directed Unweighted Graphs, APSP on Dense Undirected Unweighted Graphs, APSP on Sparse Directed Unweighted Graphs, APSP on Sparse Undirected Unweighted Graphs, (5/3)-approximate ap-shortest paths
Parameters
n: number of vertices
m: number of edges
c: number of weights
Table of Algorithms
| Name | Year | Time | Space | Approximation Factor | Model | Reference |
|---|---|---|---|---|---|---|
| Chan (Geometrically Weighted) | 2009 | $O(V^{2.{84}4})$ | $O(l V^{2})$ | Exact | Deterministic | Time |
Time Complexity Graph
_-_APSP_on_Geometrically_Weighted_Graphs_-_Time.png)
Space Complexity Graph
_-_APSP_on_Geometrically_Weighted_Graphs_-_Space.png)
Space-Time Tradeoff Improvements
_-_APSP_on_Geometrically_Weighted_Graphs_-_Pareto_Frontier.png)