Newton polygon of L function of xd + λxd-1 + μx

Newton polygon of L function of xd + λxd-1 + μx
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DOI:
10.1016/j.ffa.2023.102260
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发表时间:
2023-10
期刊:
Finite Fields Their Appl.
影响因子:
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通讯作者:
B.-Y. Gu
B.-Y. Gu
中科院分区:
其他
文献类型:
--
作者:
B.-Y. Gu

文献摘要

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设f(x)= xd + λ xd − 1+ μ x是Fq [x]中的三项式,χ m是p m阶特征标.若p> 2 d且p <$− 1(mod d),则得到L <$(f,χ m,s)的q进牛顿多边形。当μ= 0时,在一定条件下,当p> 2d时,给出了L <$(f,χ m,s)的q进牛顿多边形.证明了由xd + λ xd − 1+∑ pnfn(x)给出的Zp-塔在一定条件下是斜率稳定的.
Let f (x)= x d+ λ x d− 1+ μ x be a trinomial in F q [x] and χ m be a character of order p m. If p> 2 d and p≡− 1 (mod d), we obtain the q-adic Newton polygon of L⁎(f, χ m, s). For μ= 0, we give the q-adic Newton polygon of L⁎(f, χ m, s) if p> 2 d under some conditions. We prove that Z p-tower given by x d+ λ x d− 1+∑ p n f n (x) is slope stable under certain conditions.