Negative Triangle Search (Graph Triangle Problems)

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Description

Given an $n$ node graph $G = (V, E)$ with edge weights $w: E \rightarrow W$, find a negative triangle, i.e. three vertices that form a triangle with total edge weights summing to a negative number.

Related Problems

Generalizations: Negative Triangle Detection

Subproblem: Negative Triangle Listing

Related: Nondecreasing Triangle, Minimum Triangle, Triangle in Unweighted Graph, Triangle Detection, Triangle Collection*

Parameters

$n$: number of nodes

$m$: number of edges

Table of Algorithms

Currently no algorithms in our database for the given problem.

Reductions TO Problem

Problem Implication Year Citation Reduction
Negative Triangle Detection if: to-time: $T(n)$ where $T(n)/n$ is decreasing
then: from-time: $O(T(n))$
2018 https://dl.acm.org/doi/pdf/10.1145/3186893, Lemma 4.1 link