National Taiwan University

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20022008

most citedObservation of a resonance-like structure in the pi^+- psi' mass distribution in exclusive B-->K pi^+- psi' decays

550 citations

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3 papers · 1 filter

math.CO2004

A note on equitable colorings of forests

Gerard J. Chang

This note gives a short proof on characterizations of a forest to be equitably k-colorable.

math.CO2004★ 1 cited

Distance-two labelings of digraphs

G. J. Chang, J. -J. Chen, D. Kuo +1

For positive integers $j \geq k$ , an $L (j, k)$ -labeling of a digraph $D$ is a function $f$ from $V (D)$ into the set of nonnegative integers such that $∣ f (x) - f (y) ∣ \geq j$ if $x$ is adja…

math.CO2003

Isometric path numbers of graphs

Jun-Jie Pan, Gerard J. Chang

An isometric path between two vertices in a graph $G$ is a shortest path joining them. The isometric path number of $G$ , denoted by $\ip(G)$, is the minimum number of isometric pat…