2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94139The notion of quantum Turing machines is a basis of quantum complexity theory. We discuss a general model of multi-tape, multi-head Quantum Turing machines with multi final states that also allow tape heads to stay still.A twelve page version is to appear in the Proceedings of the 24th International Symposium on Mathematical Foundations of Computer Science in September, 1999. LNCSQuantum PhysicsComputational Complexitytext