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- Lanzhou UniversityCN37 papers
- Institute of Theoretical PhysicsCN14 papers
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- Institute of Modern PhysicsCN11 papers
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6 papers · 1 filter
Mass Formula for Light Nonstrange Mesons and Regge Trajectories in Quark Model
Duojie Jia, Cheng-Qun Pang, Atsushi Hosaka
We study the Regge-like spectra of light mesons in a relativized quark model. An analytical mass formula is presented for the light unflavored mesons with the help of auxiliary fie…
Conflict-free connection numbers of line graphs
Bo Deng, Wenjing Li, Xueliang Li +2
A path in an edge-colored graph is called \emph{conflict-free} if it contains at least one color used on exactly one of its edges. An edge-colored graph is \emph{conflict-free…
A systematic study of mass spectra and strong decay of strange mesons
Cheng-Qun Pang, Jun-Zhang Wang, Xiang Liu +1
The mass spectrum of the kaon family is analyzed by the {modified} Godfrey-Isgur model with a color screening effect approximating the kaon as a heavy-light meson system. This anal…
Tight Nordhaus-Gaddum-type upper bound for total-rainbow connection number of graphs
Wenjing Li, Xueliang Li, Colton Magnant +1
A graph is said to be \emph{total-colored} if all the edges and the vertices of the graph are colored. A total-colored graph is \emph{total-rainbow connected} if any two vertices o…
Steiner 3-diameter, maximum degree and size of a graph
Yaping Mao
The Steiner -diameter of a graph , introduced by Chartrand, Oellermann, Tian and Zou in 1989, is a natural generalization of the concept of classical diameter. W…
Steiner Distance in Product Networks
Yaping Mao, Eddie Cheng, Zhao Wang
For a connected graph of order at least and , the \emph{Steiner distance} among the vertices of is the minimum size among all connected subgra…