Department of Mathematics, University of Tulsa, Tulsa, OK 74104, USA.|Laureate Institute for Brain Research, Tulsa, OK 74136, USA.|Laureate Institute for Brain Research, Tulsa, OK 74136, USA.|Laureate Institute for Brain Research, Tulsa, OK 74136, USA.|Tandy School of Computer Science, University of Tulsa, OK 74104, USA.|Laureate Institute for Brain Research, Tulsa, OK 74136, USA.|Department of Mathematics, University of Tulsa, Tulsa, OK 74104, USA.