Normal singularities with torus actions

Additive group actions in positive chracteristic

Quantum invariants of graphs and their geometry

Algebraic approximations of diffeomorphisms of surfaces

On rigidity of low degree del Pezzo fibrations

Using polynomial invariants to compute geometric predicates

A tropical proof of the Brill-Noether theorem

The volume conjecture and Chern Simons theory

Quivers and saturation for tensor products multiplicities for classical groups

Isomorphism classes of Gorenstein local rings via Macaulay's inverse system