EntityQ5121616· pop 10· linked from 35 articlescyclomatic numberSign in to savethe minimum number of edges to remove from a graph to eliminate all its cyclesConnectionstreeEntityplanar graphEntityhomologyEntitymathematicsEntitychemistryEntityforestEntityInternational Standard Book NumberEntityintegerEntitytopologyEntitydigital object identifierEntityGustav KirchhoffEntitygraph theoryEntityline segmentEntityQ180686EntitygraphEntityJSTOREntitybibcodeEntityQ118398Entitytopological spaceEntityQ229883EntityCategoriesGraph invariantsMatroid theorySpanning tree