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math.CO2026
On the exact quantum chromatic number of generalized Johnson graphs
Gaojun Luo, Xiwang Cao, Shitao Li +1
The quantum chromatic number is a fundamental parameter in the study of nonlocal games, capturing the extent to which entanglement can improve performance in distributed tasks. In…
math.CO2022
Fractional revival on abelian Cayley graphs
Xiwang Cao, Gaojun Luo
Fractional revival, known as a quantum transport phenomenon, is essential for entanglement generation in quantum spin networks. The concept of fractional revival is a generalizatio…