The structure of the group G(k[t]): Variations on a theme of Soulé
The structure of the group G(k[t]): Variations on a theme of Soulé
Following Soulé's ideas from 1979, we give a presentation of the abstract group G(k[t]) for any semisimple (connected) simply connected absolutely almost simple k-group G(k[t]).As an application, we give a description of G(k[t]) in terms of direct limits, and show that the Whitehead group and the naive group of connected …