Irreducible representations of ${\text{GL}}_n(\mathbb{C})$ of minimal Gelfand-Kirillov dimension

Abstract

In this article, by studying the Bernstein degrees and Goldie rank polynomials, we establish a comparison between the irreducible representations of $G={\text{GL}}_n(\mathbb{C})$ possessing the minimal Gelfand-Kirillov dimension and those induced from finite-dimensional representations of the maximal parabolic subgroup of $G$ of type $(n-1,1)$. We give the transition matrix between the two bases for the corresponding coherent families.

To appear in Acta Mathematica Sinica, English Series