enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. List of cycles - Wikipedia

    en.wikipedia.org/wiki/List_of_cycles

    This is a list of recurring cycles. See also Index of wave articles, Time, and Pattern. Planetary cycles. Astronomical cycles. Astronomy ...

  3. Historic recurrence - Wikipedia

    en.wikipedia.org/wiki/Historic_recurrence

    In the Islamic world, Ibn Khaldun (1332–1406) wrote that asabiyyah (social cohesion or group unity) plays an important role in a kingdom's or dynasty's cycle of rise and fall. [ 13 ] G. W. Trompf describes various historic paradigms of historic recurrence, including paradigms that view types of large-scale historic phenomena variously as ...

  4. Social cycle theory - Wikipedia

    en.wikipedia.org/wiki/Social_cycle_theory

    Social cycle theories are among the earliest social theories in sociology.Unlike the theory of social evolutionism, which views the evolution of society and human history as progressing in some new, unique direction(s), sociological cycle theory argues that events and stages of society and history generally repeat themselves in cycles.

  5. Strauss–Howe generational theory - Wikipedia

    en.wikipedia.org/wiki/Strauss–Howe_generational...

    Strauss and Howe say their cycle of Awakenings corresponds with Anthony Wallace's work on revitalization movements; [52] they also say recurring Crises and Awakenings correspond with two-stroke cycles in politics (Walter Dean Burnham, Arthur Schlesinger Sr. and Jr.), foreign affairs (Frank L. Klingberg), and the economy (Nikolai Kondratieff) as ...

  6. Time loop - Wikipedia

    en.wikipedia.org/wiki/Time_loop

    The time loop is a popular trope in Japanese pop culture media, especially anime. [15] Its use in Japanese fiction dates back to Yasutaka Tsutsui's science fiction novel The Girl Who Leapt Through Time (1965), one of the earliest works to feature a time loop, about a high school girl who repeatedly relives the same day.

  7. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    A repeating decimal or recurring decimal is a decimal representation of a number whose digits are eventually periodic (that is, after some place, the same sequence of digits is repeated forever); if this sequence consists only of zeros (that is if there is only a finite number of nonzero digits), the decimal is said to be terminating, and is not considered as repeating.

  8. Eternal return - Wikipedia

    en.wikipedia.org/wiki/Eternal_return

    Eternal return (or eternal recurrence) is a philosophical concept which states that time repeats itself in an infinite loop, and that exactly the same events will continue to occur in exactly the same way, over and over again, for eternity.

  9. Periodic sequence - Wikipedia

    en.wikipedia.org/wiki/Periodic_sequence

    A (purely) periodic sequence (with period p), or a p-periodic sequence, is a sequence a 1, a 2, a 3, ... satisfying . a n+p = a n. for all values of n. [1] [2] [3] If a sequence is regarded as a function whose domain is the set of natural numbers, then a periodic sequence is simply a special type of periodic function.