Presentation Name: Cheeger inequality for discrete magnetic Laplacian
Presenter: 严海涛
Date: 2020-12-23
Location: 腾讯会议 ID:209 238 724, 密码: 24680
Abstract:

J. Lee , S. Oveis Gharan, L.Trevisian 将有限图上的Cheeger不等式推广为高阶的Cheeger不等式,随后C. Lange, S. Liu, N. Peyerimhoff, Olaf Post讨论了离散与连续的magnetic Laplace算子的情形下的高阶Cheeger不等式,在本文中,我们改进了离散magnetic Laplace算子情形下Cheeger不等式,具体来说,降低了了Cheeger常数上界估计中k的阶数。

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