activity
20102026
most citedWild ramification and K(pi, 1) spaces

19 citations · 56 across the 20 of their papers we have counts for

collaborators
Showing 2013Show all

2 papers · 1 filter

math.AG2013

Spherical multiple flags

Piotr Achinger, Nicolas Perrin

For a reductive group G, the products of projective rational varieties homogeneous under G that are spherical for G have been classified by Stembridge. We consider the B-orbit clos…

math.AG2013★ 4 cited

A characterization of toric varieties in characteristic p

Piotr Achinger

If is a smooth toric variety over an algebraically closed field of positive characteristic and is an invertible sheaf on , it is known that , the push-forward of…