Keith Alexander

Keith Alexander
University of Bristol | UB · School of Physics

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3
Publications
255
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25
Citations

Publications

Publications (3)
Preprint
We probe the character of knotting in open, confined polymers, assigning knot types to open curves by identifying their projections as virtual knots. In this sense, virtual knots are transitional, lying in between classical knot types, which are useful to classify the ambiguous nature of knotting in open curves. Modelling confined polymers using bo...
Article
Full-text available
Long, flexible physical filaments are naturally tangled and knotted, from macroscopic string down to long-chain molecules. The existence of knotting in a filament naturally affects its configuration and properties, and may be very stable or disappear rapidly under manipulation and interaction. Knotting has been previously identified in protein back...

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Projects

Project (1)
Project
Aim to understand the way knot topology manifests in different physical settings, including quantum mechanics, optics, particle physics and molecular biology.