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arXiv 2008.06745math.COmath.RT
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$Γ$ -着色$d$ -完全偏序集和上$P$ -极小Borel表示的分类

Classifications of $Γ$-colored $d$-complete posets and upper $P$-minuscule Borel representations

Michael C. Strayer

摘要:

$Γ$ -着色$d$ -完备偏序集对应于某些类似于半单李代数极小表示的Borel表示。我们对$Γ$ -着色$d$ -完备偏序集进行了分类,它指定了相关表示的结构。我们证明了有限$Γ$ -着色$d$ -完备偏序集正是J.R.斯坦布里奇这些堆是R. A.普罗科特我们还证明了连通无限$Γ$ -着色$d$ -完备偏序集是R. M.共享的

英文摘要:

The $Γ$-colored $d$-complete posets correspond to certain Borel representations that are analogous to minuscule representations of semisimple Lie algebras. We classify $Γ$-colored $d$-complete posets which specifies the structure of the associated representations. We show that finite $Γ$-colored $d$-complete posets are precisely the dominant minuscule heaps of J.R. Stembridge. These heaps are reformulations and extensions of the colored $d$-complete posets of R.A. Proctor. We also show that connected infinite $Γ$-colored $d$-complete posets are precisely order filters of the connected full heaps of R.M. Green.

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