Browsing Combinatorics and Optimization by Author "Chen, Qiuting"

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Bipartite Quantum Walks and the Hamiltonian

Chen, Qiuting (University of Waterloo, 2023-09-26)

We study a discrete quantum walk model called bipartite walks via a spectral approach. A bipartite walk is determined by a unitary matrix U, i.e., the transition matrix of the walk. For every transition matrix U, there is ...
Edge State Transfer

Chen, Qiuting (University of Waterloo, 2019-01-11)

Let G be a graph and let t be a positive real number. Then the evolution of the continuous quantum walk defined on G is described by the transition matrix U(t)=exp(itH).The matrix H is called Hamiltonian. So far the most ...