Hyperbolic Umbilics inHyperbolic Umbilics inGravitational Lensinggalaxy clusters.Discovering unique image formations inAstrophysics of GalaxiesGravitational Lensing: The Mystery of Hyperbolic UmbilicsExploring hyperbolic umbilics and their role in gravitational lensing.2025-07-27T12:46:42+00:00 ― 6 min read