Cohomology class
= Cohomology class
{title2=$[z]\in H^q(C)$}
The equivalence class of a <cocycle> in a <cochain complex>, where adding a <coboundary> leaves its class unchanged.
= Cohomology class
{title2=$[z]\in H^q(C)$}
The equivalence class of a <cocycle> in a <cochain complex>, where adding a <coboundary> leaves its class unchanged.