50 citations
- American Museum of Natural HistoryUS3 papers
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Showing 2012Show all
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quant-ph2012★ 50 cited
Linear and Nonlinear PT-symmetric Oligomers: A Dynamical Systems Analysis
M. Duanmu, K. Li, R. L. Horne +2
In the present work we focus on the cases of two-site (dimer) and three-site (trimer) configurations, i.e. oligomers, respecting the parity-time (PT) symmetry, i.e., with a spatial…
math.CO2012★ 2 cited
On Weak Chromatic Polynomials of Mixed Graphs
Matthias Beck, Daniel Blado, Joseph Crawford +2
A \emph{mixed graph} is a graph with directed edges, called arcs, and undirected edges. A -coloring of the vertices is proper if colors from are assigned to each v…