next up previous contents
Next: 3.4 Generators, relations and Up: 3 Planar Algebras Previous: 3.2 The standard planar   Contents

3.3 Shielded chord diagrams and tangles

Summary. There is a ``better'' planar algebra of chord diagrams, that does support a universal finite type invariant. We will define it here. For now, see [BN9, slides 17-18].

Dror Bar-Natan 2001-07-23