Michael Wester
Cotopaxi
1801 Quincy, SE
Albuquerque, New Mexico 87108-4427
wester@math.unm.edu
Nikolay Vassoliev
Steklov Institute of Mathematics at Saint Petersburg
Saint Petersburg, Russia
vasiliev@pdmi.ras.ru
Partially supported by
Steklov Institute of Mathematics at Saint Petersburg
Euler International Mathematical Institute
Saint Petersburg Mathematical Society
Saint Petersburg State University
Saint Petersburg Center for International Cooperation
IMACS
RFBR
INTAS
Microsoft Research
Motorola