Mathematics,
SECAM 
Email: m.berger at 
Office: +44 (0)1392 725281. 
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The Trefoil knot with its associated tantrix curve. Methods for
calculating the Twist, Writhe and Linking number 
can be found in 
The Writhe of Open and
Closed Curves
(Berger MA & Prior C, 2006 J Phys A 39 8321-8348)
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Project Supervision in Astrophysics, Solar Physics, Relativity, and Knot
Theory 
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Last updated: 3 June 2009 But in dire need of renovation!