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arXiv 2102.04649math.DG
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无穷远处$3$ -圆柱切向流中的四维定常梯度Ricci孤子

Four-Dimensional Steady Gradient Ricci Solitons with $3$-Cylindrical Tangent Flows at Infinity

Richard Bamler, Bennett Chow, Yuxing Deng, Zilu Ma, Yongjia Zhang

摘要:

本文考虑$4$维稳定孤子奇异性模型,即,完整的稳定梯度Ricci孤子,它是在封闭的$4$流形上里奇流的有限时间奇异解的重新标度极限时产生的。特别地,我们研究了这种Ricci孤子在无穷远处的几何形状,假设它们在无穷远处的切流是$\mathbb{R}$与$3$维球面空间型的乘积。我们还对$4$维定常孤子奇异性模型的无穷远切流进行了一般的分类。

英文摘要:

In this paper we consider $4$-dimensional steady soliton singularity models, i.e., complete steady gradient Ricci solitons that arise as the rescaled limit of a finite time singular solution of the Ricci flow on a closed $4$-manifold. In particular, we study the geometry at infinity of such Ricci solitons under the assumption that their tangent flow at infinity is the product of $\mathbb{R}$ with a $3$-dimensional spherical space form. We also classify the tangent flows at infinity of $4$-dimensional steady soliton singularity models in general.

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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