3 papers
math.OC2026
On the real angular stability radius for sectorial matrices
Sei Zhen Khong, Xin Mao, Li Qiu +1
The real stability radius problem asks for the smallest real perturbation that makes a given matrix lose rank, and it is a structured counterpart of the corresponding complex stabi…
eess.SY2025
Diversity and Interaction Quality of a Heterogeneous Multi-Agent System Applied to a Synchronization Problem
Xin Mao, Dan Wang, Wei Chen +1
In this paper, scalable controller design to achieve output synchronization for a heterogeneous discrete-time nonlinear multi-agent system is considered. The agents are assumed to…
math.RA2022
On the Phases of a Semi-Sectorial Matrix
Li Qiu, Dan Wang, Xin Mao +1
In this paper, we extend the definition of phases of sectorial matrices to those of semi-sectorial matrices, which are possibly singular. Properties of the phases are also extended…