Ping-Kang Yu

most citedA note on the number of irrational odd zeta values

9 citations · 10 across the 2 of their papers we have counts for

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math.CO2017★ 1 cited

The normalized Laplacian spectra of the double corona based on $R$ -graph

Ping-Kang Yu, Gui-Xian Tian

For simple graphs $G$ , $G_{1}$ and $G_{2}$ , we denote their double corona based on $R$ -graph by $G^{(R)} \otimes {G_{1}, G_{2}}$ . This paper determines the normalized Laplacian spectrum o…

The normalized Laplacian spectra of the double corona based on R-graph

The normalized Laplacian spectra of the double corona based on $R$ -graph