’JŽRŒö‹KŒ¤‹†�Љî

Šô‰½Šw�|ˆÊ‘ŠŠô‰½Šw�|Œ‹‚Ñ–Ú—�˜_�|‹óŠÔƒOƒ‰ƒt—�˜_
‘¼‚É”÷•ªŠô‰½Šw�AˆÊ‘Š‹óŠÔ˜_�A�‰“™Šô‰½Šw‚È‚Ç

’JŽRŒö‹K˜_•¶ƒŠƒXƒg

’JŽRŒö‹K�u‰‰‹L˜^

Œ‹‚Ñ–Ú—�˜_‚ÉŠÖ‚·‚郊ƒ“ƒN‚Ì“üŒû
�VKOOK ƒZƒ~ƒi�[Ž––±‹Ç’Ê�M
 

Knot diagrams on a punctured sphere as a model of string figures

Crossing number and unknotting number of knots