Čech cocycle condition
= Čech cocycle condition
{c}
A Čech cochain is a cocycle when its alternating coboundary vanishes. For a multiplicative one-cochain $(g_{ij})$, this says $g_{ij}g_{jk}=g_{ik}$ on triple intersections.
= Čech cocycle condition
{c}
A Čech cochain is a cocycle when its alternating coboundary vanishes. For a multiplicative one-cochain $(g_{ij})$, this says $g_{ij}g_{jk}=g_{ik}$ on triple intersections.