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  2. Phaeosphaeria nodorum - Wikipedia

    en.wikipedia.org/wiki/Phaeosphaeria_nodorum

    The infection occurs in repeated cycles of both asexual and sexual infection throughout the growing season. New rounds of infection are initiated by rain-splash or wind dispersal of spores. Infection begins when spores land on leaf tissue. The spores rapidly germinate to produce long, branching threadlike structures, called hyphae.

  3. Ultradian rhythm - Wikipedia

    en.wikipedia.org/wiki/Ultradian_rhythm

    According to a study published in 1996: Ultradian mood states in bipolar disorder cycle much faster than rapid cycling; the latter is defined as four or more mood episodes in one year, sometimes occurring within a few weeks. Ultradian mood cycling is characterized by cycles shorter than 24 hours.

  4. 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 ...

  5. Frequency - Wikipedia

    en.wikipedia.org/wiki/Frequency

    The period T is the time taken to complete one cycle of an oscillation or rotation. The frequency and the period are related by the equation [ 4 ] f = 1 T . {\displaystyle f={\frac {1}{T}}.} The term temporal frequency is used to emphasise that the frequency is characterised by the number of occurrences of a repeating event per unit time.

  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. Permutation - Wikipedia

    en.wikipedia.org/wiki/Permutation

    Cycle notation describes the effect of repeatedly applying the permutation on the elements of the set S, with an orbit being called a cycle. The permutation is written as a list of cycles; since distinct cycles involve disjoint sets of elements, this is referred to as "decomposition into disjoint cycles".

  8. Saṃsāra - Wikipedia

    en.wikipedia.org/wiki/Saṃsāra

    Bhavachakra describing the cycle of saṃsāra: illustrated in the wheel are six realms of existence in which a sentient being can reincarnate, according to the rebirth doctrine of Buddhism. Yama, the god of death, is at the top of the outer rim. The outer rim shows the Twelve Nidānas doctrine.

  9. Glossary of graph theory - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_graph_theory

    In planarity testing, H is a cycle and a peripheral cycle is a cycle with at most one bridge; it must be a face boundary in any planar embedding of its graph. 3. A bridge of a cycle can also mean a path that connects two vertices of a cycle but is shorter than either of the paths in the cycle connecting the same two vertices.