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A cyclic permutation consisting of a single 8-cycle. There is not widespread consensus about the precise definition of a cyclic permutation. Some authors define a permutation σ of a set X to be cyclic if "successive application would take each object of the permuted set successively through the positions of all the other objects", [1] or, equivalently, if its representation in cycle notation ...
This is a list of recurring cycles. See also Index of ... Cyclic process – Carnot cycle – Double-slit experiment – Dynamic theory of gravity – Physics of ...
A cycle graph illustrates the various cycles of a group and is particularly useful in visualizing the structure of small finite groups. A cycle graph for a cyclic group is simply a circular graph, where the group order is equal to the number of nodes. A single generator defines the group as a directional path on the graph, and the inverse ...
Cycle graph (algebra), a diagram representing the cycles determined by taking powers of group elements; Circulant graph, a graph with cyclic symmetry; Cycle (graph theory), a nontrivial path in some graph from a node to itself; Cyclic graph, a graph containing at least one graph cycle; Cyclic group, a group generated by a single element
A directed cycle graph of length 8. A directed cycle graph is a directed version of a cycle graph, with all the edges being oriented in the same direction. In a directed graph, a set of edges which contains at least one edge (or arc) from each directed cycle is called a feedback arc set.
Cycle graph, a graph that is itself a cycle; Cycle matroid, a matroid derived from the cycle structure of a graph; Cycle (sequence), a sequence with repeating values Cycle detection, the algorithmic problem of detecting repetitions in sequences generated by iterated functions; Cycle, a set equipped with a cyclic order
The term cycle may also refer to an element of the cycle space of a graph. There are many cycle spaces, one for each coefficient field or ring. The most common is the binary cycle space (usually called simply the cycle space), which consists of the edge sets that have even degree at every vertex; it forms a vector space over the two-element field.
A cyclic model (or oscillating model) is any of several cosmological models in which the universe follows infinite, or indefinite, self-sustaining cycles. For example, the oscillating universe theory briefly considered by Albert Einstein in 1930 theorized a universe following an eternal series of oscillations, each beginning with a Big Bang and ending with a Big Crunch; in the interim, the ...