Robynn Corveleyn

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math.GR2026

Presentation of Borel subgroups of Kac-Moody groups over local rings

Robynn Corveleyn

We obtain presentations of Borel subgroups of certain Chevalley groups and Kac-Moody groups of simply laced type. More precisely, we show that Borel subgroups of simply laced Cheva…

math.GR2025

Lie type quotients of the maximal unipotent subgroup of Kac-Moody groups of type $HB_{2}^{(2)}$

Robynn Corveleyn

In this article, we construct infinite families $(G_{n})_{n \in N}$ of finite simple groups $G_{n}$ of Lie type, such that the rank of $G_{n}$ strictly increases as $n$ tends to…

Presentation of Borel subgroups of Kac-Moody groups over local rings

Lie type quotients of the maximal unipotent subgroup of Kac-Moody groups of type HB2(2)​

Lie type quotients of the maximal unipotent subgroup of Kac-Moody groups of type $HB_{2}^{(2)}$