Cocycle
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In mathematics a cocycle is a closed cochain. Cocycles are used in algebraic topology to express obstructions (for example, to integrating a differential equation on a closed manifold). They are likewise used in group cohomology. In autonomous dynamical systems, cocycles are used to describe particular kinds of map, as in the Oseledec theorem.
See also[]
- Čech cohomology
- Cocycle condition
Categories:
- Mathematics stubs
- Algebraic topology
- Cohomology theories
- Dynamical systems