Symmetry counts: an introduction to equivariant Hilbert and Ehrhart series / Riemannian twistor spaces in four-dimensional geometry: an overview and some rigidity results

On the mass of initial data with positive cosmological constant / Arithmetic is topology in disguise: Grothendieck's section conjecture

G2 structures on nilmanifolds and their moduli spaces / Characteristic classes in motivic homotopy theory

Quantization Commutes with Reduction on CR Manifolds / Stable Minimal hypersurfaces: old and new

Conical linear series / Towards L^2 Hodge theory on non compact complex manifolds

Realization problem of absolute period representations / Special structures in complex geometry

On the classification of regular product-quotient surfaces with p_g=3 and their canonical map / Special structures and spinors on manifolds