Institution: | (1) Washington State University, PO Box 642752, Pullman, WA 99164-2752, USA, e-mail: dbenson@eecs.wsu.edu, US;(2) Masaryk University, Janáčkovo nám. 2a 662 95 Brno, Czech Republic, e-mail: mnecesal@math.muni.cz, CZ;(3) Masaryk University, Janáčkovo nám. 2a 662 95 Brno, Czech Republic, e-mail: rosicky@math.muni.cz, CZ |