The equations (4-25) and (4-26) are incorrect, and they are relaced by the corect ones.
Keyphrases: 1/f noise, brancching process, formalization, probability
@booklet{EasyChair:996, author = {Takayuki Kobayashi}, title = {1/f Noise: Branching Process Model (I); Formalization}, howpublished = {EasyChair Preprint 996}, year = {EasyChair, 2020}}