@article{oai:ynu.repo.nii.ac.jp:00006908, author = {Komuro, Hideo}, issue = {2}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf, It will be shown that any two triangulations with $n$ vertices on the sphere can be transformed into each other by at most $8n-54$ diagonal flips if $n¥geq 13$ and $8n-48$ if $n¥geq 7$ .}, pages = {115--122}, title = {THE DIAGONAL FLIPS OF TRIANGULATIONS ON THE SPHERE}, volume = {44}, year = {1997} }