Decomposing 4-manifolds with positive scalar curvature
Decomposing 4-manifolds with positive scalar curvature
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DOI:
10.1016/j.aim.2023.109231
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发表时间:
2022-06
影响因子:
1.7
通讯作者:
R. Bamler;Chao Li-;Christos Mantoulidis
中科院分区:
文献类型:
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作者:
R. Bamler;Chao Li-;Christos Mantoulidis
We show that every closed, oriented, topologically PSC 4-manifold can be obtained via 0 and 1-surgeries from a topologically PSC 4-orbifold with vanishing first Betti number and second Betti number at most as large as the original one.