I have written papers on the following topics (MSC2010, primary classification)

05E05 Symmetric functions and generalizations

13A50 Actions of groups on commutative rings; invariant theory

14B05 Singularities

14J40 n-folds (n>4)

14L30 Group actions on varieties or schemes (quotients)

14M17 Homogeneous spaces and generalizations

14M27 Compactifications; symmetric and spherical varieties

16S32 Rings of differential operators

18D10 Monoidal categories, symmetric monoidal categories, braided categories

20C08 Hecke algebras and their representations

20G05 Representation theory

20G15 Linear algebraic groups over arbitrary fields

53D20 Momentum maps; symplectic reduction