p‐Adic and Adelic Cosmology: p‐Adic Origin of Dark Energy and Dark Matter

A brief review of p‐adic and adelic cosmology is presented. In particular, p‐adic and adelic aspects of gravity, classical cosmology, quantum mechanics, quantum cosmology and the wave function of the universe are considered.p‐Adic worlds made of p‐adic matters, which are different from real world of ordinary matter, are introduced. Real world and p‐adic worlds make the universe as a whole. p‐Adic origin of the dark energy and dark matter are proposed and discussed.