Flavor physics and Jarlskog determinant

Abstract

The flavor problem is reviewed starting with the chiral symmetry, and the $A_4$ symmetry derivation and its realization in GUTs are presented.

Comments: 5 pages with 2 figures. Talk presented at the "Neutrinos and Dark Matter" Conference, Hurghada, Egypt, 10-15 Jan, 2020, and The 3rd Korea-Japan Bi-lateral Workshop on "String, Axion, Cosmology", Ibuzuki, Kagoshima, Kyushu, Japan, Jan. 17-20, 2020