Unknotting virtual knots with Gauss diagram forbidden moves
Unknown values in the table of knots
Unoriented band surgery on knots and links
Unoriented geometric functors
Unoriented topological quantum field theory and link homology
Unsigned state models for the Jones polynomial
Untwisting Heegaard diagrams in 3-space
Unusual formulae for the Euler characteristic
Update of "Biquandles of Small Size and some Invariants of Virtual and Welded Knots"
Upper bound on distance in the pants complex
Upper Bounds for Ropelength as a Function of Crossing Number
Upper bounds in the Ohtsuki-Riley-Sakuma partial order on 2-bridge knots
Useful branched surfaces which carry nothing