Изменения

|definition=Циклы <tex dpi="350">A=Cycle(B)=\sum_{k=0}^{\infty}Cycle_k(B)</tex>.

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<tex dpi="350">Cycle(A)(t)=\sum_{k=0}^{\infty}Cycle_k(A)(t)=0+\sum_{k=1}^{\infty}\frac{A(t)^k}{k}=-ln \left (1-A(t) \right )=ln\left (\frac{1}{1-A(t)}\right )</tex><ref>[https://www.wolframalpha.com/input/?i=series+-ln%281-x%29 Wolphram Alpha {{---}} Разложение в ряд]</ref>