2 papers
math.CO2024
Quantum chromatic numbers of some graphs in Hamming schemes
Xiwang Cao, Keqin Feng, Ying-Ying Tan
The study of quantum chromatic numbers of graphs is a hot research topic in recent years. However, the infinite family of graphs with known quantum chromatic numbers are rare, as f…
quant-ph2017
Perfect State Transfer on Abelian Cayley Graphs
Yingying Tan, Keqin Feng, Xiwang Cao
Perfect state transfer (PST) has great significance due to its applications in quantum information processing and quantum computation. In this paper we present a characterization o…