An Asynchronous P System with Branch and Bound for Solving Hamiltonian Cycle Problem. - Akihiro Fujiwara; Kotaro Umetsu; Fumiya Nozato (CANDAR Workshops, 2019)

An Asynchronous P System Using Branch and Bound for Minimum Graph Coloring. - Kotaro Umetsu; Akihiro Fujiwara (CANDAR Workshops, 2019)

P systems with branch and bound for solving two hard graph problems. - Kotaro Umetsu; Akihiro Fujiwara (Int. J. Netw. Comput., 2020)