Alberto Bertoni, Carlo Mereghetti, Beatrice Palano. Lower Bounds on the Size of Quantum Automata Accepting Unary Languages. In Carlo Blundo, Cosimo Laneve, editors, Theoretical Computer Science, 8th Italian Conference, ICTCS 2003, Bertinoro, Italy, October 13-15, 2003, Proceedings. Volume 2841 of Lecture Notes in Computer Science, pages 86-96, Springer, 2003. [doi]
Abstract is missing.