Research Interests
Numerical methods of partial differential equations and fractional differential equations
Computational methods and numerical analysis related to Plasma Physics and Magnetohydrodynamics
Deep learning
System optimization and image reconstruction for x-ray computed tomography
Optimization techniques for optical tomography
Inverse scattering problems
Selected Publications
Y.T. Mehraliyev, H. Yang and E.I. Azizbayov, Recovery of unknown coefficients in a two-dimensional hyperbolic equation with additional conditions, submitted.
I. Tekin and H. Yang, Determination of a time-dependent coefficient in the time-fractional wave equation with a non-classical boundary conditions, TWMS Journal of Applied and Engineering Mathematics, accepted.
I. Tekin and H. Yang, Inverse problem for the time-fractional Euler-Bernoulli beam equation, Mathematical Modelling and Analysis, vol.26, no.3 (2021), pp.503-518.
H. Yang, Conservative local discontinuous Galerkin methods for the cubic-quintic nonlinear Schrodinger equation, Optik, vol.226, no.1 (2021), Article ID 165821.
H. Yang and J. Liu, A qualitative deep learning method for inverse scattering problems, Applied Computational Electromagnetics Society Journal, vol.35, no.2 (2020), pp.153-160.
H. Yang, An inverse problem for the sixth-order linear Boussinesq-type equation, U.P.B. Scientfic Bulletin, Series A: Applied Mathematics and Physics, vol.82, no.2 (2020), pp.27-36.
H. Yang, Optimal error estimate of a decoupled conservative local discontinuous Galerkin method for the Klein-Gordon-Schrodinger equations, Journal of Korean Society of Industrial and Applied Mathematics, vol.24, no.1 (2020), pp.39-78.
H. Yang, Homotopy analysis method for the time-fractional Boussinesq equation, Universal Journal of Mathematics and Applications, vol.3, no.1 (2020), pp.12-18.
H. Yang, Error estimates for a class of energy- and Hamiltonian-preserving local discontinuous Galerkin methods for the Klein-Gordon-Schrodinger equations, Journal of Applied Mathematics and Computing, vol.62, no.1-2 (2020), pp.377-424.
H. Yang, A new high-order method for the time-fractional diffusion equation with a source, Journal of Fractional Calculus and Applications, vol.11, no.2 (2020), pp.111-129.
F. Jones and H. Yang, A comparative study of the numerical approximations of quenching time for a nonlinear reaction-diffusion equation, Fundamental Journal of Mathematics and Applications, vol.3, no.2 (2020), pp.144-152.
H. Yang, High-order energy and linear momentum conserving methods for the Klein-Gordon equation, Mathematics, vol.6, no.10 (2018), 200.
H. Yang, W.-X. Cong and G. Wang, Deep learning for dual-energy X-ray computed tomography, Proceedings of the 14th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine (2017), pp.864-869.
H. Yang, H. Yu and G. Wang, Deep learning for the classification of lung nodules, arXiv preprint arXiv:1611.06651v2 (2017).
H. Yang and F. Li, Discontinuous Galerkin methods for relativistic Vlasov-Maxwell system, Journal of Scientific Computing, vol.73, no.2-3 (2017), pp.1216-1248.
C.-S. Chou, W. Sun, Y. Xing and H. Yang, Local discontinuous Galerkin methods for the Khokhlov-Zabolotskaya-Kuznetzov equation, Journal of Scientific Computing, vol.73, no.2-3 (2017), pp.593-616.
H. Yang, J. Guo and J.-H. Jung, Schwartz duality of the Dirac delta function for the Chebyshev collocation approximation to the fractional advection equation, Applied Mathematics Letters, vol.64, (2017), pp.205-212.
H. Yang and F. Li, Stability analysis and error estimates of an exactly divergence-free method for the magnetic induction equations, ESAIM: Mathematical Modelling and Numerical Analysis, vol.50, no.4 (2016), pp. 965-993.
E. Kemmerling, M. Wu, H. Yang, P. Maxim, B. Loo and R. Fahrig, Optimization of an on-board imaging system for extremely rapid radiation therapy, Medical Physics, vol. 42 (2015), pp. 6757-6767.
H. Yang and F. Li, Error estimates of Runge-Kutta discontinuous Galerkin methods for the Vlasov-Maxwell system, ESAIM: Mathematical Modelling and Numerical Analysis, vol.49, no.1 (2015), pp. 69-99.
L. Zhao, H. Yang, W.-X. Cong, G. Wang and X. Intes, Lp regularization for early gate fluorescence molecular tomography, Optics Letters, vol.39, no.14 (2014), pp. 4156-4159.
L. Zhao, H. Yang, W.-X. Cong, G. Wang and X. Intes, Comparison of Lp-regularization-based reconstruction methods for early time gates in time-domain fluorescen molecular tomography, Proceedings of SPIE, vol. 8937 (2014).
H. Yang, F. Li and J. Qiu, Dispersion and dissipation errors of two fully discrete discontinuous Galerkin methods, Journal of Scientific Computing, vol.55, no.3 (2013), pp. 552-574.
D. Duffy, H. Yang, et al., Medical ultrasound imaging, Proceedings of the Twenty-Sixth Workshop on Mathematical Problems in Industry (2010), 42 pages.
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