Neutrino Theory: Some Recent Developments

TL;DR

This paper reviews recent advances in neutrino theory, focusing on mixing models, mechanisms for neutrino mass generation, and connections to dark matter, highlighting theoretical developments and potential observable effects.

Contribution

It introduces new variations of the seesaw mechanism and explores models linking neutrino mass generation to dark matter, expanding theoretical understanding.

Findings

Tribimaximal mixing and A_4 symmetry realizations

Variations of the seesaw mechanism with observable deviations

Radiative neutrino mass generation from dark matter

Abstract

Selected topics in neutrino theory are discussed, including tribimaximal mixing and its A_4 realization, variations of the seesaw mechanism allowing for observable deviations from unitarity of the neutrino mixing matrix, and the radiative generation of neutrino mass from dark matter.