Jin Akiyama Author & Editor

Jin Akiyama is Professor of Mathematics and Director of the Research Institute of Educational Development of Tokai University in Tokyo, Japan. His mathematics lecture series have been aired on NHK Educational Television since 1991. Math Wonderland is his creation and the mathematical models there evolved from those used in his television series. His publications are in discrete geometry, graph theory and mathematics education.Mari-Jo Ruiz is Professor of Mathematics and Trustee of Ateneo de Manila University in the Philippines. She is a past president of the Southeast Asian Mathematical Society (SEAMS), an association of the mathematical societies of eight Southeast Asian countries. Her areas of interest are graph theory and operations research. She has won several national awards for teaching excellence.Both authors were members of the Organizing Committee of the UNESCO-sponsored traveling exhibition "Experiencing Mathematics", first shown in Denmark on the occasion of ICME 10 in 2004. Both are also involved in the publication of the journal Graphs and Combinatorics, he as Editor-in-Chief and she as a member of the Editorial Board.