- one-form v d x + u d y {\displaystyle v\,dx+u\,dy} is both
closed and
coclosed (a
harmonic differential form).
Another formulation of the Cauchy–Riemann...
- =d\beta } for some β ∈ Ω k − 1 {\displaystyle \beta \in \Omega ^{k-1}}
coclosed if δ α = 0 {\displaystyle \delta \alpha =0}
coexact if α = δ β {\displaystyle...
