Bloch's theorem

English Etymology 1 Named after the physicist Felix Bloch. Proper noun en physics A theorem stating that the energy eigenstates for an electron in a crystal can be written as Bloch waves. Etymology 2 Named after the French mathematician André Bloch. Proper noun + (complex variables) en math A theorem that gives a lower bound on the size of a disc in which an inverse to a holomorphic function exists. en eponyms