Dependence of the thresholds β_1c and β_2c on m with fixed p = 0.005, f₁ = 1.4, and f₂ = 1, where the results are averaged over 1000 realizations. (a) β_1c versus m where the “squares” and “uptriangles” represent the cases of β₂ = 0.005 and 0.003, respectively, and “circles” and “downtriangles” represent the corresponding theoretical results, respectively. (b) β_2c versus m where the “squares” and “uptriangles” represent the cases of β₁ = 0.003 and 0.0014, respectively, and “circles” and “downtriangles” represent the corresponding theoretical results, respectively.