Professor Choi-Hong Lai 厲才康 BSc, PhD

Professor of Numerical Mathematics

Key details

Choi-Hong Lai

Professor Choi-Hong Lai 厲才康

Professor of Numerical Mathematics

Prof. Lai leads the research in numerical and applied mathematics at the School of Computing and Mathematical Sciences, Faculty of Liberal Arts and Sciences. He came from a background of mathematics with engineering, aerodynamics, partial differential equations, and parallel computing, and he specialises in novel numerical algorithms and applied mathematics. He teaches Level 6 Partial Differential Equations and a short course on Methods for Nonlinear Problems. He coordinates research activities of numerical and applied mathematics. Currently he is visiting professor at Jiangnan University and Fuzhou University, China, and at Buckingham University.

Responsibilities within the university

Research, Module Leader, Assessment Conduct Officier
  • REF2020 University sub-panel member
  • REF2020 Unit 10 Coordinator
  • Chair in Numerical Mathematics; Numerical and Applied Mathematics Research Unit Group Leader
  • Module tutor 2018/19: Partial Differential Equations; Short Course tutor: Methods for Nonlinear Problems


FHEA, CMath, CEng, FIMA, MBCS, LMS Member, AIAA Senior Member, SIAM Member

Editor-in-Chief: Journal of Algorithms and Computational TechnologyInternational Journal of Computer Mathematics

Book series editor: Numerical Analysis and Scientific Computing Series, Chapman & Hall/CRC Press

Co-Chair: International Symposium of Distributed Computing and Algorithms for Business, Engineering, and Sciences

Organiser: EGL Workshop on Optimisation and Applied Mathematics

Members Committee panel member: IMA

Finance Committee panel member: IMA

Secretary: BCS Future Computing Systems Specialist Group.

EPSRC Future Leaders Fellowships (FLF) Peer Review College (2019-2020)

Research / Scholarly interests

Inverse problems and optimisation

Computational medical biology: (i) Absorption and metabolism models, nutrients and drug absorption; (ii) Mathematical modelling of cardiac myocytes.

Computational music and sociology

Computational criminology

Computational finance: Option pricing with nonlinear volatility models, calibration methods, GPU and parallel algorithms, Monte Carlo simulation, numerical solutions for stochastic differential equations.

Optimisation and risk management

Computational intelligence

Image processing

Computational acoustics

Innovative numerical algorithms

History of mathematics

Key funded projects

2013 to 2017 FP7-People-2012-ITN: STRIKE (Ref 304617) Novel methods in computational finance

2013 to 2017 FP7-People-2012-ITN: AeroTraNet (Ref 317142) Aeronautical Training Network in Aerodynamic Noise from Widebody Civil Aircraft

2015 University Proof of Concept Fund (HEIF-PoC-ACH-03/15) A computational framework conjoining musical pieces with socio-economic/socio-political events

2017 University REF Competitive Fund Predicting Outcomes During Malicious Product Incidents (with Law School)

2019 University REF Fellowship award

Completed Projects

Recent publications


Choi-Hong, Alejandro , Granados-Ortiz, Francisco-Javier, Molina-Aiz, Francisco D., Lai, Choi-Hong , Moreno-Teruel, María de los Ángeles , Valera-Martínez, Diego L. (2022), Analysis of turbulent air flow characteristics due to the presence of a 13 × 30 threads·cm^−2 insect proof screen on the side windows of a Mediterranean greenhouse. MDPI. In: , , , . MDPI, Agronomy, 12 (3) . pp. 586-593 2073-4395 (Online) (doi:

Lin, Xiaozheng , Wang, Meiqing, Lai, Choi-Hong (2021), A modification term for Black-Scholes model based on discrepancy calibrated with real market data. Data science in finance and economics. AIMS Press. In: , , , . AIMS Press, Data Science in Finance and Economics, 1 (4) . pp. 313-326 2769-2140 (Online) (doi:

Granados-Ortiz, F.-J. , Ortega-Casanova, J., Lai, C.-H. (2020), Propagation of uncertainty in a rotating pipe mechanism to generate an impinging swirling jet flow for heat transfer from a flat plate. Springer Verlag. In: , , , . Springer Verlag, Engineering with Computers, 38 (2) . pp. 939-968 ISSN: 0177-0667 (Print), 1435-5663 (Online) (doi:

Pandey, Sanjib Raj , Ma, Jixin, Lai, Choi-Hong (2020), A supervised machine learning approach to generate the auto rule for clinical decision support system. In: , , , . , Trends in Medicine, 20 (3) . pp. 1-9 ISSN: 1594-2848 (Print), (doi:

Granados-Ortiz, Francisco-Javier , Ortega-Casanova, Joaquin, Lai, Choi-Hong (2019), Two-step numerical simulation of the heat transfer from a flat plate to a swirling jet flow from rotating pipe. Emerald. In: , , , . Emerald, International Journal of Numerical Methods for Heat & Fluid Flow, 30 (1) . pp. 143-175 ISSN: 0961-5539 (Print), (doi:

Natkunam, Kokulan , Hai, Yang, Lai, Choi-Hong, George, Erwin , Liu, Li (2019), Simultaneous estimation of tracer kinetic model parameters using analytical and inverse approaches with a hybrid method. Taylor & Francis. In: , , , . Taylor & Francis, International Journal of Computer Mathematics ISSN: 0020-7160 (Print), 1029-0265 (Online) (doi:

Arif, Serife , Lai, Choi-Hong, Ramesh, Nadarajah I. (2019), Estimation of stochastic behaviour in cardiac myocytes: I. Calcium Ca2+ movements inside the cytosol and sarcoplasmic reticulum on curvilinear domains. SAGE Publications. In: , , , . SAGE Publications, JRSM Cardiovascular Disease, 8 ISSN: 2048-0040 (Print), 2048-0040 (Online) (doi:

Granados-Ortiz, Francisco-Javier , Arroyo, Carlos Perez, Puigt, Guillaume, Lai, Choi-Hong , Airiau, Christophe (2018), On the influence of uncertainty in computational simulations of a high-speed jet flow from an aircraft exhaust. Elsevier. In: , , , . Elsevier, Computers & Fluids, 180 . pp. 139-158 ISSN: 0045-7930 (Print), (doi:

Lai, Choi-Hong and , (2018), Modification terms to the Black-Scholes model in a realistic hedging strategy with discrete temporal steps. Taylor & Francis. In: , , , . Taylor & Francis, International Journal of Computer Mathematics, 96 (11) . pp. 2201-2208 ISSN: 0020-7160 (Print), 1029-0265 (Online) (doi:

Xu, Haiping , Wang, Meiqing, Chen, Fei, Lai, Choi-Hong (2018), Image cosegmentation using shape similarity and object discovery scheme. World Scientific. In: , , , . World Scientific, International Journal of Pattern Recognition and Artificial Intelligence, 32: 1854026 (10) ISSN: 0218-0014 (Print), 1793-6381 (Online) (doi:

Lai, C.-H. and , Ortega-Casanova, J. (2018), CFD study on laminar mixing at a very low Reynolds number by pitching and heaving a square cyliner. Elsevier. In: , , , . Elsevier, Computers and Fluids, 168 . pp. 318-327 ISSN: 0045-7930 (Print), (doi:

Zeng, Xunxun , Chen, Fei, Wang, Meiqing, Lai, Choi-Hong (2018), Circulant dissimilarity based shape registration for object segmentation. Taylor and Francis. In: , , , . Taylor and Francis, International Journal of Computer Mathematics ISSN: 0020-7160 (Print), 1029-0265 (Online) (doi:

Xue, Meiyu and , Lai, Choi-Hong (2018), From time series analysis to a modified ordinary differential equation. SAGE Publications. In: , , , . SAGE Publications, Journal of Algorithms and Computational Technology, 12 (2) . pp. 85-90 ISSN: 1748-3018 (Print), 1748-3026 (Online) (doi:

Serife, Arif , Natkunam, Kokulan, Byambajav, Buyandelger, Lai, Choi-Hong , Knöll, Ralph (2017), An inverse problem approach to identify the internal force of a mechanosensation process in a cardiac myocyte. Elsevier. In: , , , . Elsevier, Informatics in Medicines Unlocked, 6: 4 . pp. 36-42 ISSN: 2352-9148 (Print), (doi:

Ďuriš, Karol , Tan, Shih-Hau, Lai, Choi-Hong, Ševčovič, Daniel (2016), Comparison of analytical approximation formula and Newton's method for solving a class of nonlinear Black-Scholes parabolic equations. De Gruyter. In: , , , . De Gruyter, Computational Methods in Applied Mathematics, 16 (1) . pp. 35-50 ISSN: 1609-4840 (Print), 1609-9389 (Online) (doi:

Egorova, V.N. , Tan, S. H., Lai, Ci-H., Company, R. , Jodar, L. (2015), Moving boundary transformation for American call options with transaction cost: Finite difference methods and computing. Taylor & Francis. In: , , , . Taylor & Francis, International Journal of Computer Mathematics, 94 (2) . pp. 345-362 ISSN: 0020-7160 (Print), 1029-0265 (Online) (doi:

Ma, Jixin , Pandey, Sanjib Raj, Lai, Choi-Hong (2015), Development of decision support system for the diagnosis of arthritis pain for rheumatic fever patients: Based on the fuzzy approach. Multi-Science Publishing Co Ltd. In: , , , . Multi-Science Publishing Co Ltd, Journal of Algorithms and Computational Technology, 9 (3) . pp. 265-290 ISSN: 1748-3018 (Print), 1748-3026 (Online) (doi:

Tian, Na , Zhu, Longchao, Lai, Choi-Hong (2015), Identification of boundary shape using a hybrid approach. Springer Berlin Heidelberg. In: , , , . Springer Berlin Heidelberg, International Journal of Machine Learning and Cybernetics, 6 (3) . pp. 385-397 ISSN: 1868-8071 (Print), 1868-808X (Online) (doi:

Lai, Choi-Hong , Liu, X.Y., Pericleous, Kyriacos A. (2015), A fourth-order PDE denoising model with an adaptive relaxation method. Taylor & Francis. In: , , , . Taylor & Francis, International Journal of Computer Mathematics, 92 (3) . pp. 608-622 ISSN: 0020-7160 (Print), 1029-0265 (Online) (doi:

Lai, C.-H. , Hai, Y., George, E., Pericleous, K. A. (2015), An inverse problem for the absorption of fatty acid. Multi-Science Publishing Co. Ltd. In: , , , . Multi-Science Publishing Co. Ltd, Journal of Algorithms and Computational Technology, 9 (1) . pp. 27-40 ISSN: 1748 3018 (Print), 1748-3026 (Online) (doi: NB Item availability restricted.

Conference proceedings

Pandey, Sanjib Raj , Ma, Jixin, Lai, Choi-Hong (2015), Development of temporal logic-based fuzzy decision support system for diagnosis of acute rheumatic fever/rheumatic heart disease. Springer, Cham. In: , , , Research and Development in Intelligent Systems. Springer, Cham, Switzerland , XXXII . pp. 213-228 . ISBN: 9783319250304 978-3-319-25032-8 (Online) (doi: