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20052026
most citedSearching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I

1.2k citations

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Showing 2019 · math.COShow all

2 papers · 2 filters

math.CO2019

The normality and sum of normalities of trees

Ya-Hong Chen, Hua Wang, Xiao-Dong Zhang

The eccentricity of a vertex in a graph is the maximum distance from to any other vertex. The vertices whose eccentricity are equal to the diameter (the maximum eccentr…

math.CO2019

Variations of the eccentricity and their properties in trees

Ya-Hong Chen, Hua Wang, Xiao-Dong Zhang

Motivated from the study of eccentricity, center, and sum of eccentricities in graphs and trees, we introduce several new distance-based global and local functions based on the sma…