APSP on Geometrically Weighted Graphs (All-Pairs Shortest Paths (APSP))

From Algorithm Wiki
Revision as of 13:04, 15 February 2023 by Admin (talk | contribs)
Jump to navigation Jump to search

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

Error creating thumbnail: Unable to save thumbnail to destination

Space Complexity Graph

Error creating thumbnail: Unable to save thumbnail to destination

Pareto Frontier Improvements Graph

Error creating thumbnail: Unable to save thumbnail to destination