Undirected Wiener Index: Difference between revisions

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== Parameters ==  
== Parameters ==  


n: number of vertices (number of non-hydrogen atoms in the molecule)
$n$: number of vertices (number of non-hydrogen atoms in the molecule)


== Table of Algorithms ==  
== Table of Algorithms ==  

Latest revision as of 09:24, 10 April 2023

Description

Calculate the sum of the lengths of the shortest paths between all pairs of vertices in an undirected graph (typically in the chemical graph representing the non-hydrogen atoms in the molecule).

Related Problems

Related: Minimum Wiener Connector Problem

Parameters

$n$: number of vertices (number of non-hydrogen atoms in the molecule)

Table of Algorithms

Currently no algorithms in our database for the given problem.

Reductions FROM Problem

Problem Implication Year Citation Reduction
Min-Weight k-Cycle if: to-time: $f(N,M)$ for N nodes, M edges
then: from-time: $\tilde{O}(f(N,M)+M)$
2018 https://arxiv.org/pdf/1712.08147v2.pdf, Theorem B.2 link