Group coboundary
= Group coboundary
A group coboundary is a cochain in the image of the preceding coboundary map. Quotienting <group cocycles> by group coboundaries gives <group cohomology>.
= Group coboundary
A group coboundary is a cochain in the image of the preceding coboundary map. Quotienting <group cocycles> by group coboundaries gives <group cohomology>.