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 …

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 …

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 …

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 …

In this paper, we investigate the double covering of the modular Γ 5≃ A 5 group and derive
all the modular forms of weight one for the first time. The modular forms of higher weights are …

A bstract We study the possibility to generate the quark mass hierarchies as well as the CKM
quark mixing and CP violation without fine-tuning in a quark flavour model with modular A 4 …

A bstract We revisit the flavor symmetries arising from compactifications on tori with magnetic
background fluxes. Using Euler's Theorem, we derive closed form analytic expressions for …

A bstract We perform a systematical analysis of the A 4 modular models with generalized CP
for the masses and flavor mixing of quarks and leptons, and the most general form of the …

A bstract We study A 4× A 4× A 4 modular symmetric flavor models to realize quark mass
hierarchies and mixing angles without fine-tuning. Mass matrices are written in terms of …

A bstract Eclectic flavor groups arising from string compactifications combine the power of
modular and traditional flavor symmetries to address the flavor puzzle. This top-down …