论文标题
非最小程度最多是两个
The degree of nonminimality is at most two
论文作者
论文摘要
结果表明，如果$ p $是$ a $的全部类型，那么在$ a $的理论中，特征性零的差异为$ a $，那么存在一对实现，$ a_1 $ and $ a_2 $，因此$ p $具有非代价的叉车延伸超过$ a，a_1，a_1，a_1，a_1，a_1，a_2 $。此外，如果$ a $包含在常数字段中，那么$ p $已经在$ a，a_1 $上的非代数分叉扩展。结果还以更一般的环境制定。
It is shown that if $p$ is a complete type of Lascar rank at least 2 over $A$, in the theory of differentially closed fields of characteristic zero, then there exists a pair of realisations, $a_1$ and $a_2$, such that $p$ has a nonalgebraic forking extension over $A,a_1,a_2$. Moreover, if $A$ is contained in the field of constants then $p$ already has a nonalgebraic forking extension over $A,a_1$. The results are also formulated in a more general setting.
