Vanishing sums in function fields

Vanishing sums in function fields
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函数域中的和消失

DOI:
10.1017/s0305004100066184
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发表时间:
1986
影响因子:
0.8
通讯作者:
D. Masser
D. Masser
中科院分区:
数学2区
文献类型:
--
作者:
W. Brownawell;D. Masser

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设k是特征为零的域,设F是g属k上的函数域。我们将F上的每个值v归一化,使其阶群由所有有理数组成,对于F的元素u1,…,un,而不是全部为零,我们定义(射影)高度为。F上的和公式表明这确实是射影空间上的高度。
Let k be a field of zero characteristic, and let F be a function field over k of genus g. We normalize each valuation v on F so that its order group consists of all rational integers, and for elements u1, …, un of F, not all zero, we define the (projective) height as The sum formula on F shows that this is really a height on the projective space .