Limiting Distributions of Scaled Eigensections in a GIT-Setting

preprint2015arXivOpen access

Abstract

Let L→X\mathrm{\mathbf{L}\rightarrow \mathbf{X}} be a base point free T=TC\mathrm{\mathbb{T}=T^{\mathbb{C}}}-linearized hermitian line bundle over a compact variety X\mathrm{\mathbf{X}} where T=(S1)m\mathrm{T=\left(S^{1}\right)^{m}} is a real torus. The main focus of this paper is to describe the asymptotic behavior of a certain class of sequences (sn)n\mathrm{\left(s_{n}\right)_{n}} of T\mathrm{\mathbb{T}}-eigensections sn∈H0(X,Ln)\mathrm{s_{n}\in H^{0}\left(\mathbf{X},\mathbf{L}^{n}\right)} as n→∞\mathrm{n\rightarrow \infty}, introduced by Shiffman, Tate and Zelditch, and its connection to the geometry of the Hilbert quotient π ⁣: ⁣Xξss→Xξss/ ⁣ ⁣/T\mathrm{π\!:\!\bf{X}^{ss}_ξ\rightarrow \mathbf{X}^{ss}_ξ/\!\!/\mathbb{T}} where ξ∈t∗\mathrm{ξ\in \mathfrak{t}^{*}}.

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