KnowraErlangen programLinked fromLinked fromThe 6 pages that link to Erlangen program, each with the reason it gives.All 6Broader topic 1Related 5Non-Euclidean geometryRelated: It reframed geometry as the study of invariants under transformations.Felix KleinBroader topic: Klein’s best-known framework made symmetry groups the basis for comparing geometries.Affine geometryRelated: It made affine geometry one member of a systematic hierarchy of geometries.Sophus LieRelated: It supplied a geometric setting for Lie’s study of continuous groups.Arthur Moritz SchoenfliesRelated: Its group-based view of geometry parallels the organizing idea behind Schoenflies’s symmetry studies.Ping-pong lemmaRelated: The lemma exemplifies how transformation behavior can reveal an abstract group’s structure.