区间上幂零群任意作用的锐正则性：N_4情形
On the sharp regularity for arbitrary actions of nilpotent groups on the interval: the case of N_4
摘要：
确定了对角线上为1的整数系数4 × 4三角形矩阵的幂零群嵌入闭区间的C1+α同态群的最大α.
英文摘要：
We determine the largest α for which the nilpotent group of 4-by-4 triangular matrices with integer coefficients and 1 in the diagonal embeds into the group of C1+α diffeomorphism of the closed interval.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
