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About the Authors

Seppo Pohjolainen is a professor in the Department of Mathematics at Tampere University of Technology (TUT) in Tampere, Finland.  He received his M.S. degree in engineering in 1974, the Licentiate of Technology degree in 1977, and a Ph.D. in applied mathematics in 1980, all from Tampere University of Technology. Currently, he is head of the Department of Mathematics and director of the Hypermedia Laboratory at TUT. His research interests include distance learning, open learning environments, and development of hypermedia courseware, as well as applied mathematics, control theory, and acoustical modeling.  He is leading several projects in distance learning and open learning environments in Finland.

Jari Multisilta is currently a professor of information technology at Tampere University of Technology (Tampere, Finland). He received an M.S. in mathematics from the University of Tampere and his Ph.D. in applied mathematics from Tampere University of Technology. His research interests are network-based learning environments and applications of hyper- and multimedia in learning. He is the chair of International Federation of Information Processing (IFIP) working group 3.3 (performing research on educational applications of information technologies).

More information is available at

Kostadin Antchev is a software designer with CrossKeys Systems Corporation (, based in Kanata, Ontario. His present professional interests are in telecommunications software.  From 1994 until 1996, he was a graduate student at Tampere Graduate School of Information Science and Engineering (TISE) at Tampere University of Technology. During that time he worked in Professor Seppo Pohjolainen's  research group at TUT's Hypermedia Laboratory, studying the modeling and implementation of interactive electronic documents for mathematics education.  Kostadin Antchev received a B.S. in engineering and M.S. in applied mathematics and computer science from the Technical University of Sofia, Bulgaria.

Converted by Mathematica      October 5, 1999

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