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FarthestInsertionHeuristicTSP algorithm does not work with negative weights

Status: Open.

#1324 In jgrapht/jgrapht;

· kevin-belellou opened

on Apr 14, 2026

Graphs.vertexHasSuccessors unecessarily create a Set

Status: Open.

#1283 In jgrapht/jgrapht;

· blacelle opened

on Nov 21, 2025

Feature Request: Implement Louvain Community Detection Algorithm

Status: Open.

#1272 In jgrapht/jgrapht;

· Wissal-Chbani opened

on Oct 15, 2025

Feature Request / Question: Non-Recursive BiconnectivityInspector

Status: Open.

#1266 In jgrapht/jgrapht;

· sueltschi-sbb opened

on Sep 22, 2025

Add another algorithm as a demo

Status: Open.

#1256 In jgrapht/jgrapht;

· PatrickDiallo23 opened

on Aug 18, 2025

Feature request / suggestion: algorithms for the Feedback Arc Set (FAS) problem

Status: Open.

#1251 In jgrapht/jgrapht;

· irismessage opened

on May 21, 2025

JohnsonSimpleCycles#findSimpleCycles on SimpleDirectedGraph with "back and forth" edges results in IntrusiveEdgeException: Edge already associated with source <A> and target <B>

Status: Open.

#1250 In jgrapht/jgrapht;

· daniel-matheis-vivavis opened

on Apr 22, 2025

DirectedAcyclicGraph Can concurrent processing nodes be implemented for different branches?

Status: Open.

#1249 In jgrapht/jgrapht;

· SilenceShine opened

on Apr 11, 2025

Bug in AllDirectedPaths - Runs infinitely

Status: Open.

#1247 In jgrapht/jgrapht;

· khatwaniNikhil opened

on Mar 16, 2025

Consider updating GEXFExporter to support dynamic graphs

Status: Open.

#1246 In jgrapht/jgrapht;

· tfrancart opened

on Feb 17, 2025

Consider updating GEXF exporter to GEXF 1.3

Status: Open.

#1245 In jgrapht/jgrapht;

· tfrancart opened

on Feb 17, 2025

TwoOptHeuristicTSP can get stuck in an infinite loop

Status: Open.

#1244 In jgrapht/jgrapht;

· dbotija-RatedPower opened

on Jan 21, 2025