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math.CO2022
Quantum isomorphism of graphs from association schemes
Ada Chan, William J. Martin
We show that any two Hadamard graphs on the same number of vertices are quantum isomorphic. This follows from a more general recipe for showing quantum isomorphism of graphs arisin…
quant-ph2022
Of Shadows and Gaps in Spatial Search
Ada Chan, Chris Godsil, Christino Tamon +1
Spatial search occurs in a connected graph if a continuous-time quantum walk on the adjacency matrix of the graph, suitably scaled, plus a rank-one perturbation induced by any vert…