Characterisations of Lexicographic Sets and Simply-Connected Hilbert Schemes

Characterisations of Lexicographic Sets and Simply-Connected Hilbert Schemes
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词典集的表征和单连通希尔伯特方案

DOI:
10.1007/3-540-63163-1_18
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发表时间:
1997
期刊:
--
影响因子:
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通讯作者:
D. Mall
D. Mall
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--
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作者:
D. Mall

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在本文的第一部分中,我们给出了Borel集之间的字典序集的两个判别准则:一个是用Borel集的两个组合不变量来判别,另一个是用填充问题的一个极值性质来判别。在第二部分中,我们应用这些结果,利用Gröbner基理论证明了某些Hilbert格式的单连通性。
In the first part of the paper, we present two criteria to characterise lexicographic sets among Borel sets: one criterion by two combinatorial invariants of a Borel set, the other by an extremal property of a packing problem. In the second part, we apply these results to prove the simple-connectedness of certain Hilbert schemes by Gröbner basis theory.
DOI: --
发表时间: 2006
期刊: Integrable systems, geometry, and topology, AMS/IP Studies of Advanced Mathematics, American Mathematical Society 36
影响因子: --
作者:
FURUYA;Jun;Martin Guest
通讯作者: Martin Guest