講演資料 今井 淳 Jun O'Hara

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shoulder knot

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shoulder knot

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shoulder knot

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!!!

cut the Gordian knot, nodo d’amore

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half hitch

kS\NcA>0ND$?kS\

half hitch square kont,

reef knot

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kS\NcA>0ND$?kS\

half hitch square kont,

reef knot

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running knot

kS\NcABQ"*hSu~Q

sheep shank

kS\NcABQ"*hSu~Q

sheep shank

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kS\NcABQ"*hSu~Q

sheep shank

"oSkS _Z#kS

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kS\NgV?A

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kS\NgV?A

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H_3

(pure) braid

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Trefoil

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Trefoil

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(1777 – 1855)

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(1777 – 1855)

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Hopf

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1kt#s*

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1kt#s*J&#j"`&H`=sK

(1824 – 1907)

⁽¹⁸⁶⁷⁾

1kt#s*

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1kt#s*J&#j"`&H`=sK

(1824 – 1907)

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1kt#s* ^P%G%F$H

P%G%F$H

(1831 – 1901)

Intermezzo _AkQs III _$

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kS\N&f6,rA3F3FT

"l/5s@<

(1888 – 1971)

"l/5s@<?`0!JkS\TQLK

^(1920’s)

2DNkS\^0,18kS\r=o9

kS\N&f6,rA3F3FT

"l/5s@<

(1888 – 1971)

"l/5s@<?`0!JkS\TQLK

^(1920’s)

(1893 – 1971)

2DNkS\^0,18kS\r=o9

kS\N&f6,rA3F3FT

"l/5s@<

(1888 – 1971)

"l/5s@<?`0!JkS\TQLK

^(1920’s)

(1893 – 1971)

2DNkS\^0,18kS\r=o9

() \A*K!NIjQAr-Bs\9H\j"&

(Reidemeister moves (1932))

kS\N&f6,rAVl$/9k<

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^{(1952 – )}

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