Yuri Prokhorov

collaborators

2 papers

math.AG2026

Double Veronese cones with singularities

Yuri Prokhorov

We study double Veronese cones -- three-dimensional del Pezzo varieties of degree one -- with terminal Gorenstein singularities. We prove sharp bounds for the number of nodes, dete…

math.AG2025

Simple subgroups of the real space Cremona group

Ivan Cheltsov, Antoine Pinardin, Yuri Prokhorov

We show that the alternating groups $A_{5}$ and $A_{6}$ are the only finite simple non-abelian subgroups of the group of birational selfmaps of the real three-dim…