activity
20182024
collaborators

8 papers

math.NA2024

Using covariance extension equation to solve the Nevanlinna-Pick interpolation with degree constraint

Cui Yufang

Nevanlinna-Pick interpolation problem has been widely studied in recent decades, however, the known algorithm is not simplistic and robust enough. This paper provide a new method t…

math.OC2024

A general solution to the simultaneous stabilization problem by analytic interpolation

Yufang Cui, Anders Lindquist

In this paper, we tackle the significant challenge of simultaneous stabilization in control systems engineering, where the aim is to employ a single controller to ensure stability…

math.OC2024

Multivariable simultaneous stabilization: A modified Riccati approach

Yufang Cui, Anders Lindquist

Simultaneous stabilization problem arises in various systems and control applications. This paper introduces a new approach to addressing this problem in the multivariable scenario…

math.CO2023

Total positivity from a kind of lattice paths

Yu-Jie Cui, Bao-Xuan Zhu

Total positivity of matrices is deeply studied and plays an important role in various branches of mathematics. The main purpose of this paper is to study total positivity of a matr…

math.OC2023

A parameterized solution to the simultaneous stabilization problem

Yufang Cui, Anders Lindquist

In a series of fundamental papers BK Ghosh reduced the simultaneous stabilization problem to a NevanlinnaPick interpolation problem. In this paper we generalize some of these resul…

math.OC2020

The Covariance Extension Equation: A Riccati-type Approach to Analytic Interpolation

Yufang Cui, Anders Lindquist

Analytic interpolation problems with rationality and derivative constraints are ubiquitous in systems and control. This paper provides a new method for such problems, both in the s…

math.OC2019

Multivariable analytic interpolation with complexity constraints: A modified Riccati approach

Yufang Cui, Anders Lindquist

Analytic interpolation problems with rationality and derivative constraints occur in many applications in systems and control. In this paper we present a new method for the multiva…

math.OC2018

A modified Riccati approach to analytic interpolation with applications to system identification and robust control

Yufang Cui, Anders Lindquist

This paper provides a new method to solve analytic interpolation problems with rationality and derivative constraints, occurring in many applications to system and control. It is b…