3 problems

Let $(\Lambda V,\operatorname{d})$ be a minimal Sullivan algebra with $V^1=0$, and suppose that both the even-degree part $V^{\mathrm{even}}$ and the even-degree cohomology…

Let $(\Lambda W,\operatorname{d})$ be a minimal Sullivan algebra with $\dim W<\infty$, $W^1=0$, and fix $n\in\mathbb{N}$. A relative Sullivan algebra…

Lupton's conjecture. Either