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arXiv 1301.0848math.GTmath.AT
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关于拟4-流形之间的非零次映射

On Non-zero Degree Maps between Quasitoric 4-Manifolds

Djordje Baralic

摘要:

研究了拟四流形之间的映射度。我们的结果依赖于Duan和Wang证明的定理。当M和N是某些拟4-流形时,我们确定了从M到N的所有可能映射度的集合D(M,N)。得到的整数集是有趣的,e。G.可表示为两个平方和D(C P^2 #C P^2,C P^2)或三个平方和D(C P^2 #C P^2 #C P^2,C P^2)的那些。除了关于拟四维流形之间映射度的一般结果外,还建立了Duan-Wang方法与二次型、数论和格之间的联系。

英文摘要:

We study the map degrees between quasitoric 4-manifolds. Our results rely on Theorems proved by Duan and Wang. We determine the set D (M, N) of all possible map degrees from M to N when M and N are certain quasitoric 4-manifolds. The obtained sets of integers are interesting, e. g. those representable as the sum of two squares D (C P^2#C P^2, C P^2) or the sum of three squares D (C P^2 # C P^2 # C P^2, C P^2). Beside the general results about the map degrees between quasitoric 4-manifolds, the connections among Duan-Wang's approach, the quadratic forms, the number theory and the lattices is established.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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