EntityQ733336· pop 10· linked from 254 articlesSperner's lemmaSign in to savelemma that every Sperner coloring of a triangulated simplex contains a properly colored simplexConnectionssimplexEntityBrouwer fixed-point theoremEntityKnaster–Kuratowski–Mazurkiewicz lemmaEntitymathematicsEntitytriangleEntityInternational Standard Book NumberEntityfunctionEntitypolygonEntitydigital object identifierEntityInternational Standard Serial NumberEntitycombinatoricsEntitygraph theoryEntityQ180686EntitygraphEntityJSTOROrganizationbibcodeEntityanalogyEntityQ118398EntityQ229883Entityalgebraic topologyEntityCategoriesCombinatoricsFair divisionFixed-point theoremsTopologyTriangulation (geometry)