In this paper, we give a new characterization of Möbius transformations. To this end, a new concept of ''Apollonius points of pentagons'' is used.
BULUT, SERAP and ÖZGÜR, NİHAL YILMAZ (2004) "A New Characteristic of Möbius Transformations by Use of Apollonius Points of Pentagons," Turkish Journal of Mathematics: Vol. 28: No. 3, Article 8. Available at: https://journals.tubitak.gov.tr/math/vol28/iss3/8