On the Littlewood–Richardson polynomials

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• 作者：Derksen ; Harm ; Weyman ; Jerzy
• 关键词：Semi-invariants ; Quivers ; Littlewood&ndash ; Richardson coefficients
• 刊名：Journal of Algebra
• 出版年：2002
• 期刊代码：69_00218693
• 类别：mt
• 出版时间：September 15, 2002
• 卷：255
• 期：2
• 页码：247-257
• 文件大小：94.6 K

摘要

We prove the equivalence of several descriptions of generators of rings of semi-invariants of quivers, due to Domokos and Zubkov, Schofield and van den Bergh, and our earlier work. We also show that the dimensions of semi-invariants of weights nσ depend polynomially on n.