An improved lower bound on query complexity for quantum PAC learning. - Chi Zhang 059 (Inf. Process. Lett., 2010)

Adiabatic quantum counting by geometric phase estimation. - Chi Zhang 059; Zhaohui Wei; Anargyros Papageorgiou (Quantum Inf. Process., 2010)

Quantum Algorithms and Complexity for Numerical Problems. - Chi Zhang 059 (2011)

On the efficiency of quantum algorithms for Hamiltonian simulation. - Anargyros Papageorgiou; Chi Zhang 059 (Quantum Inf. Process., 2012)

A fast algorithm for approximating the ground state energy on a quantum computer. - Anargyros Papageorgiou; Iasonas Petras; Joseph F. Traub; Chi Zhang 059 (Math. Comput., 2013)