From Nicky Case's Stanford talk | IN GROUP THEORY, THE SYMMETRY GROUP OF A GEOMETRIC OBJECT IS THE GROUP OF ALL TRANSFORMATIONS UNDER WHICH THE OBJECT IS INVARIANT. In group theory, the symmetry group of a geometric object is the group of all transformations under which the object is invariant. | image tagged in gifs,thurston,cat,screaming | made w/ Imgflip video-to-gif maker
