Bingjie Li

collaborators

2 papers

math.FA2026

Normalized Orbit Frames and Essential Spectrum, II

James Tian

Given $0 < r_{j} < 1$ with $r_{j} \to 1$ , there exist a normal operator $T$ on $ℓ^{2}$ with eigenvalues $λ_{j}$ satisfying $∣ λ_{j} ∣ = r_{j}$ and $g \in ℓ^{2}$ such that \[ \left\{ \fra…

math.PR2026

A note on uniform random covering problems in metric spaces

Zhang-nan Hu, Bing Li, YiJing Wang

In this paper, we study the uniform random covering problem in general metric space $(X, d)$ . Let $ω = (ω_{n})_{n \in N}$ be a sequence of independent identically distributed rand…