Căldăraru's conjecture on the Merkulov–Willwacher ribbon graph complex
Let d∈Zd\in\mathbb Zd∈Z. The Merkulov–Willwacher ribbon graph complex RGCd \circle*1.5(δ+Δ1)\textsf{RGC}_d^{{\:\raisebox{3pt}{\text{\circle*{1.5}}}}}(\delta+\Delta_1)RGCd\circle*1.5(δ+Δ1) is the ribbon graph cochain complex w…