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・ Stuck on Repeat (album)
・ Stuck on Replay
・ Stuck On U
・ Stuck on You
・ Stuck on You (Elvis Presley song)
・ Stuck on You (film)
・ Stuck on You (Lionel Richie song)
・ Stuck on You (Yuna Ito song)
・ Stuck on You!
・ Stuck on Your Love
・ Stuck Red/Stuck Blue
・ Stuck River (Washington)
・ Stuck Rubber Baby
・ Stuck Together with God's Glue
・ Stuck Together, Torn Apart
Stuck unknot
・ Stuck with Each Other
・ Stuck with Hackett
・ Stuck with Me
・ Stuck with Me (Tamia song)
・ Stuck with You
・ Stuck with You (Zones song)
・ Stuck-at fault
・ Stuckange
・ Stuckenia
・ Stuckenia pectinata
・ Stuckenia striata
・ Stuckenia vaginata
・ Stucker
・ Stuckertiella


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Stuck unknot : ウィキペディア英語版
Stuck unknot
In mathematics, a stuck unknot is a closed polygonal chain that is topologically equal to the unknot but cannot be deformed to a simple polygon by rigid motions of the segments.〔G. Aloupis, G. Ewald, and G. T. Toussaint, "More classes of stuck unknotted hexagons," ''Contributions to Algebra and Geometry'', Vol. 45, No. 2, 2004, pp. 429–434.〕〔G. T. Toussaint, "A new class of stuck unknots in Pol-6," ''Contributions to Algebra and Geometry'', Vol. 42, No. 2, 2001, pp. 301–306.〕
Similarly a stuck open chain is an open polygonal chain such that the segments may not be aligned by moving rigidly its segments. Topologically such a chain can be unknotted, but the limitation of using only rigid motions of the segments can create nontrivial knots in such a chain.
Consideration of such "stuck" configurations arises in the study of molecular chains in biochemistry.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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