Short-time behaviour of a modified Laplacian coflow of G2-structures

Sergey Grigorian

We modify the Laplacian coflow of co-closed G2-structures - $\frac{d}{dt}\psi =\Delta \psi$ where $\psi$ is the closed dual 4-form of a $G_2$-structure $\phi$. The modified flow is now parabolic in…