Dehn twists on 4-manifolds with Seifert-fibered boundary.

Instantons, indefinite cobordisms, and Dehn surgery.

Khovanov skein lasagna modules and exotica

Pentagon to triangle

Square to ten point star

Floer homology and relative Thom conjectures

Circle Loops

Pentomino Puzzles

Apple Picking

Nielsen realization problem for del Pezzo surfaces

PP Hexagon Pentagon Dissection

Matrix factorizations for spinor representations.

A gauge theoretic invariant of embedded surfaces in 4-manifolds and exotic P^2-knots.

What color is my hat?

The Infinite Pickle

Altered Symmetry

Topology of the Dirac equation on spectrally large three-manifolds

Involutions and the Chern-Simons filtration in instanton Floer homology.

Non-smoothable homeomorphisms of 4-manifolds with boundary

A general Heegaard Floer surgery formula

Deformation inequivalent symplectic structures and Donaldson’s four-six question.

Filtered instanton Floer homology and cosmetic surgery

Light Bulbs

Take away games

Lattice homology and Seiberg-Witten-Floer spectra

Configuration space integrals and formal smooth structures

Khovanov homology and involutive Heegaard Floer homology

A surgery formula in instanton Floer theory

Fillable contact structures from positive surgery

Seiberg Witten Floer theory and twisted spectra.