4 problems

Let $A$ be a one-dimensional local domain essentially of finite type over a field $K$ of characteristic zero, and let $\Omega_{A/K}$ denote its module of Kähler differentials. Berg…

Let $F$ be an algebraically closed field, and let ${\cal E}_{(n)}^{\ast}(F)$ be the degree-$n$ Euclidean Dehn complex of Euclidean scissor congruence groups. For an $F$-vector spac…

Symbol-length conjecture for differential forms. Then

Let $K$ be the ground field, let $\mathbb W=m_1P_1+\cdots+m_sP_s$ be a fat point scheme in $\mathbb P^n$, and let … Write $R_{\mathbb W}$ for the homogeneous coordinate ring of…