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We have investigated a possible connection between the Majorana phases andgeometric parameters of leptonic unitarity triangle(LUT) in two-texture zeroneutrino mass matrix. Such analytical relations can, also, be obtained forother theoretical models viz. hybrid textures, neutrino mass matrix withvanishing minors and have profound implications for geometric description of$CP$ violation. As an example, we have considered two-texture zero neutrinomass model to obtain relation between Majorana phases and LUT parameters. Inparticular, we find that Majorana phases depend on only one of the threeinterior angles of LUT in each class of two-texture zero neutrino mass matrix.We have, also, constructed LUT for class $A$, $B$ and $C$ neutrino massmatrices. Non-vanishing areas and nontrivial orientations of these Majoranaunitarity triangles indicate non-zero $CP$ violation as a generic feature ofthis class of mass models.

Connecting Majorana phases to the Geometric Parameters of Majorana Unitarity Triangle in a model of Neutrino Mass Matrix