1. Department of Computer Science, Purdue University, West Lafayette, IN 47907 USA.
2. Dioscuri Centre in TDA, Institute of Mathematics, Polish Academy of Sciences, Warsaw, Poland, and Division of Computational Mathematics, Faculty of Mathematics and Computer Science, Jagiellonian University, Kraków, Poland.
3. Division of Computational Mathematics, Faculty of Mathematics and Computer Science, Jagiellonian University, Kraków, Poland.
4. Innovation Partnership, University of Michigan, Ann Arbor, MI 48109 USA.