Decoherence in quantum walks – a review
Mathematical Structures in Computer Science
Coined quantum walks lift the cospectrality of graphs and trees
Pattern Recognition
Quantum walks, Ihara zeta functions and cospectrality in regular graphs
Quantum Information Processing
Physically-motivated dynamical algorithms for the graph isomorphism problem
Quantum Information & Computation
Quantum walks: a comprehensive review
Quantum Information Processing
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We present an explicit formula for the characteristic polynomial of the transition matrix of the discrete-time quantum walk on a graph via the second weighted zeta function. As applications, we obtain new proofs for the results on spectra of the transition matrix and its positive support.