Scientists / Open questions
广中平祐
Heisuke Hironaka
代数几何、奇点消解
1970 年菲尔兹奖
3 个问题
Smoothability of algebraic cycles below the middle dimension in positive characteristic: the surviving core of Hironaka's smoothing problem
Stabilization of iterated Nash blow-ups along non-divisorial valuations: extending Hironaka's divisorial stabilization theorem
Resolution of singularities in positive and mixed characteristic, dimension at least four: the open core left by Hironaka's 1964 characteristic-zero theorem