Topological views on computational complexity.
Elder siblings and the taming of hyperbolic 3-manifolds.
Distortion in transformation groups (with an appendix by Yves de Cornulier).
Quantum faithfully detects mapping class groups modulo center.
Universal manifold pairings and positivity.
Whitehead 3 is a "Slice" Link.
A Surgery Sequence in Dimension Four; The Relations with Knot Concordance.
A new technique for the link slice problem.
An unknotting result for complete minimal surfaces R3.
Quadruple points of 3-manifolds in S4.
4-Manifold topology I: Subexponential groups.
4-Manifold topology II: Dwyer's filtration and surgery kernels.
Factoring the logarithmic spiral.
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