Lek-Heng Lim

activity

20002026

most citedMultilinear PageRank

107 citations · 551 across the 65 of their papers we have counts for

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Showing 2026Show all

3 papers · 1 filter

math.DG2026

The Grassmannian of indefinite subspaces

Rongbiao Thomas Wang, Hongquan Yang, Lek-Heng Lim

The homogeneous space $O_{m, n} (R) / (O_{p, q} (R) \times O_{m - p, n - q} (R))$ is an object that has received scant a…

math.NA2026

Generalized matrix nearness problems II

Rongbiao Thomas Wang, Chi-Kwong Li, Lek-Heng Lim

Given a matrix $A$ , a matrix nearness problem seeks an $X$ that most closely approximates $A$ in the sense of minimizing $∥ A - X ∥$ under a variety of constraints on $X$ .…

math.DG2026

Linear representations of manifolds

Rongbiao Thomas Wang, Lek-Heng Lim, Ke Ye

A finite-dimensional linear representation of a group or an algebra may be regarded as a map into a space of matrices, endowing abstract elements with coordinates, and encoding alg…