Author

Phi Ha

Observed names: Ha Phi, Ha, Phi

Institutions: Trường Đại học Khoa học và Công nghệ Hà Nội, Hanoi University of Science and Technology

Observed institutions: Hanoi National University of Education, Vietnam National University, Hanoi, Humboldt-Universität zu Berlin, Trường Đại học Khoa học và Công nghệ Hà Nội, Technische Universität Berlin, VNU University of Science, Hanoi University of Science and Technology

ORCID: 0000-0002-6998-6512

Observed ORCID: 0000-0002-6998-6512

OpenAlex ID: A5065400029

Analysis and numerical solution of linear delay differential-algebraic equations

2015 · Phi Ha, Volker Mehrmann · BIT Numerical Mathematics · 26

Analysis and reformulation of linear delay differential-algebraic equations

2012 · Phi Ha, Volker Mehrmann · Electronic Journal of Linear Algebra · 17

Analysis of Linear Variable Coefficient Delay Differential-Algebraic Equations

2014 · Phi Ha, Volker Mehrmann, et al. · Journal of Dynamics and Differential Equations · 16

Analysis and numerical solutions of delay differential algebraic equations

2015 · Ha, Phi · 11

Discretized characterizations of exponential dichotomy of linear skew-product semiflows over semiflows

2009 · Thieu Huy Nguyen, Phi Ha · Journal of Mathematical Analysis and Applications · 8

Index reduction for second order singular systems of difference equations

2020 · Vu Hoang Linh, Phi Ha · Linear Algebra and its Applications · 6

Discrete-time switched descriptor systems: How to solve them?

2025 · S. Sutrisno, Duc Thuan Do, et al. · Mathematics of Control Signals and Systems · 3

Controllability of second order discrete-time descriptor systems

2025 · Ha Phi, Do Duc Thuan · ESAIM Control Optimisation and Calculus of Variations · 2

On the Stability Analysis of Delay Differential-Algebraic Equations

2018 · Phi Ha · VNU Journal of Science Mathematics - Physics · 2

Stability Analysis of a Class of High-Index, Positive Delay-Descriptor Systems

2025 · Ha Phi, Do Duc Thuan · Vietnam Journal of Mathematics

Model reduction of singular switched systems in discrete time

2025 · Stephan Trenn, Sutrisno, et al. · European Control Conference (ECC)

Event-Triggered Control for Singular Systems of Arbitrarily Index Using a Positive Systems Approach

2025 · Phi Ha, Huy Hoang Le · SSRN Electronic Journal

Exponential Dichotomy and Stable Manifolds for Differential-Algebraic Equations on the Half-Line

2022 · Phi Ha, Thieu Huy Nguyen · Journal of Dynamical and Control Systems

Integral manifolds for semilinear evolution equations and admissibility of function spaces

2012 · Nguyen Thieu Huy, Vu Thi Ngoc Ha, et al. · Ukrainian Mathematical Journal

Works count: 14

Citation count: 91

H-index: 6

I10-index: 4