Another approach of the equivalence problem for measure-many one-way quantum finite automata

Another approach to the equivalence of measure-many one-way quantum finite automata and its application

Determining the equivalence for one-way quantum finite automata

Revisiting the Power and Equivalence of One-Way Quantum Finite Automata

Polynomial-Time Algorithms for the Equivalence for One-Way Quantum Finite Automata

On equivalence of multi-letter and multi-letter measure-many quantum finite automata

Some algebraic properties of measure-once two-way quantum finite automata