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Kevin H. Lin
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A stick knot is a just a piecewise linear knot. We could define "stick isotopy" as isotopy that preserves the length of each linear piece.

Are there stick knots which are topologically trivallytrival, but not trivial via a stick isotopy?

A stick knot is a just a piecewise linear knot. We could define "stick isotopy" as isotopy that preserves the length of each linear piece.

Are there stick knots which are topologically trivally, but not trivial via a stick isotopy?

A stick knot is a just a piecewise linear knot. We could define "stick isotopy" as isotopy that preserves the length of each linear piece.

Are there stick knots which are topologically trival, but not trivial via a stick isotopy?

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Kim Morrison
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Are there piecewise-linear unknots that are not metrically unknottable?

A stick knot is a just a piecewise linear knot. We could define "stick isotopy" as isotopy that preserves the length of each linear piece.

Are there stick knots which are topologically trivally, but not trivial via a stick isotopy?