👉 In mathematics, a spinsterlike object is an object that has properties similar to those of a non-symmetric object but does not have all symmetry groups. For example, a spinsterlike object could be a sphere with a hole in it, or a torus with a hole inside the torus itself. In this case, the hole would be considered as a "spin" since it is an element of the group of symmetries of the space that it encloses. In other
