论文标题

关于广义拉瓜多项式的加洛瓦理论和修剪指数

On the Galois Theory of Generalized Laguerre Polynomials and Trimmed Exponential

论文作者

Bary-Soroker, Lior, Ben-Porath, Or

论文摘要

受Schur在泰勒(Taylor)系列的工作的启发,我们研究了修剪指数的Galois理论$ f_ {n,n,n+k} = \ sum_ {i = 0}^{i = 0}^{k}^{k} {k} {k} \ frac {x^^^^^i} {i}} {i}} {n+lag} = $ l^{(n)} _ k $ of度量$ k $。我们表明,如果$ n $是从$ \ {1,\ ldots,x \} $统一选择的,那么,几乎可以肯定的是,对于所有$ k \ leq x^{o(1)} $,$ f_ {n,n,n+k} $的$ f_ f _ {

Inspired by the work of Schur on the Taylor series of the exponential and Laguerre polynomials, we study the Galois theory of trimmed exponentials $f_{n,n+k}=\sum_{i=0}^{k} \frac{x^{i}}{(n+i)!}$ and of the generalized Laguerre polynomials $L^{(n)}_k$ of degree $k$. We show that if $n$ is chosen uniformly from $\{1,\ldots, x\}$, then, asymptotically almost surely, for all $k\leq x^{o(1)}$ the Galois groups of $f_{n,n+k}$ and of $L_{k}^{(n)}$ are the full symmetric group $S_k$.

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