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On macroscopic dimension of non-spin 4-manifolds
Journal of Topology and Analysis ( IF 0.5 ) Pub Date : 2020-11-07 , DOI: 10.1142/s1793525321500084 Michelle Daher 1 , Alexander Dranishnikov 1
Journal of Topology and Analysis ( IF 0.5 ) Pub Date : 2020-11-07 , DOI: 10.1142/s1793525321500084 Michelle Daher 1 , Alexander Dranishnikov 1
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We prove that for 4-manifolds M with residually finite fundamental group and non-spin universal covering M ̃ , the inequality dim m c M ̃ ≤ 3 implies the inequality dim m c M ̃ ≤ 2 . This allows us to complete the proof of Gromov’s Conjecture for 4-manifolds with abelian fundamental group.
中文翻译:
论非自旋四流形的宏观维度
我们证明对于 4 流形米 具有剩余有限基本群和非自旋通用覆盖米 ̃ , 不等式暗淡 米 C 米 ̃ ≤ 3 意味着不等式暗淡 米 C 米 ̃ ≤ 2 . 这使我们能够完成对具有阿贝尔基本群的 4 流形的格罗莫夫猜想的证明。
更新日期:2020-11-07
中文翻译:
论非自旋四流形的宏观维度
我们证明对于 4 流形