Complex sentence: In a sub-range with a stable cycle of period c2 ^, there are unstable cycles of period c2 ^ for all k The "r" value at the end of the infinite sequence of sub-ranges is called the point of accumulation of the cascade of harmonics.
Split into simpler sentences: In a sub-range with a stable cycle of period c2 ^, there are unstable cycles of period c2 ^ for all k. The r value at the end of the infinite sequence of sub-ranges is called the point of accumulation of the cascade of harmonics.