Igor A. Rapinchuk

activity

20092026

most citedOn linear representations of Chevalley groups over commutative rings

16 citations · 42 across the 21 of their papers we have counts for

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math.GR2026

Products of trees and $PGL_{2}$ -torsors over the punctured affine line

Andrei S. Rapinchuk, Igor A. Rapinchuk, Avinash Roy

The goal of this article is to present a computation of the Galois cohomology of the group $G = PGL_{2}$ over rings of Laurent polynomials. This computation recovers the mai…

Products of trees and PGL2​-torsors over the punctured affine line

Products of trees and $PGL_{2}$ -torsors over the punctured affine line