This is a review article about neutrino mass and mixing and flavour model building
strategies based on modular symmetry. After an introduction to neutrino mass and lepton …

Most of the free parameters in the Standard Model (SM)—a quantum field theory which has
successfully elucidated the behaviors of strong, weak and electromagnetic interactions of all …

A bstract We analyse the possibility of describing quark masses, mixing and CP violation
in\({S} _4^{\prime}\) modular flavour models without flavons. We focus on the case where the …

Abstract The Standard Model lacks an organizing principle to describe quark and lepton
“flavours”. Neutrino oscillation experiments show that leptons mix very differently from …

A bstract We discuss fermion mass hierarchies within modular invariant flavour models. We
analyse the neighbourhood of the self-dual point τ= i, where modular invariant theories …

Modular flavor symmetries provide us with a very compelling approach to the flavor problem.
It has been argued that moduli values close to some special values like τ= i or τ= ω provide …

A bstract The formalism of combined finite modular and generalised CP (gCP) sym-metries
for theories of flavour is developed. The corresponding consistency conditions for the two …

A bstract We present a comprehensive analysis of neutrino mass and lepton mixing in
theories with A 4 modular symmetry, where the only flavon field is the single modulus field τ …

A bstract In modular-invariant models of flavour, hierarchical fermion mass matrices may
arise solely due to the proximity of the modulus τ to a point of residual symmetry. This …

A bstract In the modular symmetry approach to neutrino models, the flavour symmetry
emerges as a finite subgroup Γ N of the modular symmetry, broken by the vacuum expec …