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On a Waring's problem for Hermitian lattices
Bulletin des Sciences Mathématiques ( IF 1.3 ) Pub Date : 2021-03-15 , DOI: 10.1016/j.bulsci.2021.102970
Jingbo Liu

Assume E is an imaginary quadratic field and O is its ring of integers. For each positive integer m, let Im be the free Hermitian lattice of rank m over O having an orthonormal basis. For each positive integer n, let SO(n) be the set of all Hermitian lattices of rank n over O that can be represented by some Im. Denote by gO(n) the smallest positive integer g such that each Hermitian lattice in SO(n) can be represented by Ig. In this paper, we shall provide an explicit upper bound for gO(n) for all imaginary quadratic fields E and positive integers n.



中文翻译:

关于厄米格的沃林问题

假设E是一个虚数二次场,Ø是它的整数环。对于每个正整数m,让一世成为m级以上的自由厄米格Ø具有正交基础。对于每个正整数n,让小号Øñ是集级别的所有埃尔米特格ñØ 可以用一些代表 一世。表示为GØñ最小正整数g,使得每个Hermitian晶格小号Øñ 可以用 一世G。在本文中,我们将为GØñ对于所有虚数二次场E和正整数n

更新日期:2021-03-15
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