Two Schrödingerization-based Hamiltonian simulation algorithms for multiscale linear transport are proposed, but the claimed O(N_v N_x^2 log N_x) query complexity undercounts the auxiliary grid dimension.
Time complexity analysis of quantum difference methods for the multiscale transport equations
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Quantum simulation of multiscale linear transport equations via Schr\"odingerization and exponential integrators
Two Schrödingerization-based Hamiltonian simulation algorithms for multiscale linear transport are proposed, but the claimed O(N_v N_x^2 log N_x) query complexity undercounts the auxiliary grid dimension.