Ricci flow does not preserve positive sectional curvature in dimension four
Ricci flow does not preserve positive sectional curvature in dimension four
复制标题
里奇流在第四维中不保留正截面曲率
DOI:
10.1007/s00526-022-02335-z
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发表时间:
2022
影响因子:
2.1
通讯作者:
Krishnan, Anusha M.
中科院分区:
文献类型:
--
作者:
Bettiol, Renato G.;Krishnan, Anusha M.
We find examples of cohomogeneity one metrics onandwith positive sectional curvature that lose this property when evolved via Ricci flow. These metrics are arbitrarily small perturbations of Grove–Ziller metrics with flat planes that become instantly negatively curved under Ricci flow.
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影响因子:
1.2
作者:
Bettiol, Renato G.;Kummer, Mario;Mendes, Ricardo A.
通讯作者:
Mendes, Ricardo A.
影响因子:
0.7
作者:
L. Verdiani;W. Ziller
通讯作者:
W. Ziller
影响因子:
3.1
作者:
R. Bamler;Esther Cabezas-Rivas;Burkhard Wilking
通讯作者:
R. Bamler;Esther Cabezas-Rivas;Burkhard Wilking
影响因子:
0.7
作者:
R. G. Bettiol;Anusha M. Krishnan
通讯作者:
Anusha M. Krishnan
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
C. Böhm;Burkhard Wilking
通讯作者:
Burkhard Wilking