Y. Li

collaborators

2 papers

math.DG2023

Existence of Solutions to a Class of Kazdan-Warner Equations on Finite Graphs

Yi Li, Qianwei Zhang

Let $G = (V, E)$ be a connected finite graph, $h$ be a positive function on $V$ and $λ_{1} (V)$ be the first non-zero eigenvalue of $- Δ$ . For any given finite measure $μ$ on $V$ , defi…

cs.DS2022

Sparsity-Dimension Trade-Offs for Oblivious Subspace Embeddings

Yi Li, Mingmou Liu

An oblivious subspace embedding (OSE), characterized by parameters $m, n, d, ε, δ$ , is a random matrix $Π \in R^{m \times n}$ such that for any $d$ -dimensional subspace $T\subse…