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                                                    | 
													
													         
                                                      ATCM 1998 | 
                                                    
													  Electronic 
                                                      Proceedings of the 3rd 
                                                               Asian 
                                                      Technology Conference 
                                                      in Mathematics | 
                                                   
                                                   
                                                    
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                                                          Preface
The 
                                                              Proceedings of ATCM98 
                                                              is different because 
                                                              of the following 
                                                              reasons:  
                                                            
                                                               
                                                                - All articles 
                                                                  are refereed. 
                                                                
 
                                                               
                                                               
                                                                - An electronic 
                                                                  version that 
                                                                  also includes 
                                                                  all abstracts 
                                                                  presented at 
                                                                  the conference 
                                                                  will soon be 
                                                                  available at 
                                                                  http://www.cs.runet.edu/~atcm/EPATCM98. 
                                                                
 
                                                               
                                                               
                                                                - It is a collection 
                                                                  of many wonderful 
                                                                  works not only 
                                                                  in teaching 
                                                                  but also in 
                                                                  research using 
                                                                  technology. 
                                                                
 
                                                               
                                                             
                                                            I 
                                                              am very thankful 
                                                              that I have the 
                                                              unrelenting support 
                                                              of an outstanding 
                                                              editorial group 
                                                              that has helped 
                                                              out tremendously 
                                                              in making this Proceedings 
                                                              possible. Special 
                                                              thanks go to Dr. 
                                                              Kiyoshi Shirayanagi, 
                                                              without his dedicated 
                                                              efforts to coordinate 
                                                              the reviewing process 
                                                              of which, this (hard 
                                                              copy) proceedings 
                                                              would not be ready 
                                                              in time for the 
                                                              conference.  
                                                            I 
                                                              would also like 
                                                              to thank our sponsors: 
                                                              CASIO, HP, 
                                                              TI, Waterloo 
                                                              Maple Inc., 
                                                              and Wolfram Research 
                                                              Inc. Without 
                                                              their continuous 
                                                              support, the ATCM 
                                                              would not become 
                                                              almost an annual 
                                                              event.  
                                                            Last 
                                                              but not least are 
                                                              the contributors 
                                                              to this Proceedings, 
                                                              so please send in 
                                                              your papers in time 
                                                              to ATCM99-China, 
                                                              and hope to see 
                                                              you in ATCM99.  
                                                              
                                                            Wei-Chi 
                                                              YANG 
                                                              Chair, International 
                                                              Program Committee 
                                                               
                                                              wyang@runet.edu
  
                                                              We 
                                                                received 51 submissions 
                                                                of contributed 
                                                                papers, and 40 
                                                                papers were accepted 
                                                                for inclusion 
                                                                in the electronic 
                                                                proceedings and 
                                                                this proceedings. 
                                                                All papers were 
                                                                peer-reviewed, 
                                                                and when there 
                                                                were two extreme 
                                                                opinions, a third 
                                                                reviewer was sought. 
                                                                In particular, 
                                                                a negative opinion 
                                                                was strictly investigated 
                                                                by the Program 
                                                                Committee. Some 
                                                                of the rejected 
                                                                papers were of 
                                                                high caliber, 
                                                                but unfortunately 
                                                                were thought of 
                                                                as being unsuitable 
                                                                for the theme 
                                                                of the conference. 
                                                               
                                                              While 
                                                                the conference 
                                                                ATCM is an Asian 
                                                                conference where 
                                                                many speakers 
                                                                and participants 
                                                                are supposed to 
                                                                have their native 
                                                                languages other 
                                                                than English, 
                                                                we required that 
                                                                the English expressions 
                                                                of every paper 
                                                                be as complete 
                                                                as possible. This 
                                                                is important in 
                                                                order that people 
                                                                all over the world 
                                                                can read the proceedings 
                                                                comfortably as 
                                                                well as grasp 
                                                                its meanings correctly. 
                                                               
                                                              Due 
                                                                to the page limitation, 
                                                                full papers for 
                                                                tutorials are 
                                                                not included in 
                                                                this proceedings. 
                                                               
                                                              I 
                                                                am happy to deliver 
                                                                this proceedings 
                                                                and hope that 
                                                                it will help researchers 
                                                                and teachers to 
                                                                do further study 
                                                                on technology 
                                                                in mathematics. 
                                                               
                                                              Last 
                                                                but not least, 
                                                                I am grateful 
                                                                to Dr. Sung-Chi 
                                                                Chu, Dr. Gary 
                                                                Fitz-Gerald, and 
                                                                Ms. May Look of 
                                                                Springer-Verlag, 
                                                                Singapore for 
                                                                their many efforts 
                                                                to bringing this 
                                                                proceedings to 
                                                                publication. My 
                                                                thanks also go 
                                                                to all the reviewers 
                                                                for their very 
                                                                thorough reviews. 
                                                               
                                                                
                                                              
                                                                 
                                                                  |  
                                                                     Kiyoshi 
                                                                      Shirayanagi 
                                                                       
                                                                      Vice Chair, 
                                                                      International 
                                                                      Program 
                                                                      Committee 
                                                                      NTT Communication 
                                                                      Science 
                                                                      Laboratories 
                                                                      2-4 Hikaridai, 
                                                                      Seika-cho 
                                                                      Soraku-gun, 
                                                                      Kyoto 619-0237 
                                                                      Japan 
                                                                      shirayan@cslab.kecl.ntt.co.jp 
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