different between coboundary vs cocycle

coboundary

English

Etymology

co- +? boundary

Noun

coboundary (plural coboundaries)

  1. (mathematics) The image of a submodule of a cochain

coboundary From the web:



cocycle

English

Etymology

co- +? cycle

Noun

cocycle (plural cocycles)

  1. (cohomology) A cochain that is in the kernel of a coboundary map.

cocycle From the web:

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