**Operator equation.** The cluster series is obtained from its Euler transform by the Gaussian twist and the contact representation: `B_a = ρ(U_{a,a}) Φ(G_a)`, coefficientwise.

Initializing...

**Operator equation.** The cluster series is obtained from its Euler transform by the Gaussian twist and the contact representation: `B_a = ρ(U_{a,a}) Φ(G_a)`, coefficientwise. · Prove2Me