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ON THE UNKNOTTING PROBLEM

Jorge Ramírez Alfonsín

in Combinatorics, Complexity, and Chance: A Tribute to Dominic Welsh

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198571278
eISBN:
9780191718885
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198571278.003.0016
Subject:
Mathematics, Probability / Statistics

This chapter discusses the methods, ideas, and viewpoints that have been used to investigate the unknotting problem. A knot is a closed simple (non-self-intersecting) curve embedded in the ... More


Knot

Thomas Nail

in Being and Motion

Published in print:
2019
Published Online:
December 2018
ISBN:
9780190908904
eISBN:
9780190908942
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190908904.003.0013
Subject:
Political Science, Political Theory, International Relations and Politics

This chapter argues that fields circulate and order folds as degrees of flux, but that fields can also combine themselves into larger and smaller knotworks based on their shared circulations and ... More


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