A group of mathematicians has shown that at critical moments, a symmetry called rotational invariance is a universal property across many physical systems. For more than 50 years, mathematicians have ...

https://doi.org/10.4169/college.math.j.48.1.18 https://www.jstor.org/stable/10.4169/college.math.j.48.1.18 We describe the fundamental theorem on symmetric ...