Neutrino Yukawa Textures within Type-I Seesaw

Table 2

Four zero Yukawa textures of 𝑀_𝐷 in Category 𝐵 with subcategories 𝐵1, 𝐵2, and 𝐵3.

Category 𝐵1
First row with two zeros, a pair of orthogonal columns, non-orthogonal rows
0𝑎200𝑏1𝑏3𝑐1𝑐20 0𝑎20𝑏1𝑏200𝑐2𝑐3	00𝑎30𝑏2𝑏3𝑐10𝑐3 00𝑎3𝑏10𝑏30𝑐2𝑐3	𝑎1𝑏0010𝑏3𝑐1𝑐20 𝑎1𝑏001𝑏20𝑐10𝑐3
Category 𝐵2
Second row with two zeros, a pair of orthogonal columns, non-orthogonal rows
0𝑎2𝑎30𝑏20𝑐1𝑐20 𝑎1𝑎200𝑏200𝑐2𝑐3	0𝑎2𝑎300𝑏2𝑐10𝑐3 𝑎10𝑎300𝑏30𝑐2𝑐3	𝑎10𝑎3𝑏1𝑐001𝑐20 𝑎1𝑎20𝑏1𝑐0010𝑐3
Category 𝐵3
Third row with two zeros, a pair of orthogonal columns, non-orthogonal rows
𝑎1𝑎200𝑏2𝑏30𝑐20 0𝑎2𝑎3𝑏1𝑏200𝑐20	𝑎10𝑎30𝑏2𝑏300𝑐3 0𝑎2𝑎3𝑏10𝑏300𝑐3	𝑎10𝑎3𝑏1𝑏20𝑐100𝑎1𝑎20𝑏10𝑏3𝑐100