Multidegrees of Tame automorphisms with one prime number

Jiantao Li, Xiankun Du

Let $3\le d_1\le d_2\le d_3$ be integers. We show the following results: (1) If $d_2$ is a prime number and $\frac{d_1}{\gcd (d_1,d_3)}\ne 2$, then $(d_1,d_2,d_3)$ is a multidegr…