个人简介
工作经历
2006.07-2013.12，哈尔滨工业大学，数学系，讲师
2007.06-2011.09，哈尔滨工业大学，数学系，博士后
2013.12-2020.12，哈尔滨工业大学，数学系，副教授
2015.07-2016.07，美国加州大学欧文分校，访问学者
2020.12-今， 哈尔滨工业大学，数学学院，教授
教育经历
1996.09-2000.06，吉林大学，数学系，基础数学，学士
2000.09-2003.06，吉林大学，数学学院，计算数学，硕士
2003.09-2006.06，吉林大学，数学学院，计算数学，博士
近期论文
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Jia Li*, Dazhi Zhang, Xiong Meng, Boying Wu, ANALYSIS OF LOCAL DISCONTINUOUS GALERKIN METHODS WITH GENERALIZED NUMERICAL FLUXES FOR LINEARIZED KDV EQUATIONS, MATHEMATICS OF COMPUTATION, 89(325): 2085-2111, SEP 2020.
Jia Li, Dazhi Zhang, Xiong Meng*, Boying Wu, Zhang Qiang, DISCONTINUOUS GALERKIN METHODS FOR NONLINEAR SCALAR CONSERVATION LAWS: GENERALIZED LOCAL LAX-FRIEDRICHS NUMERICAL FLUXES, SIAM JOURNAL ON NUMERICAL ANALYSIS, 58(1): 1-20, 2020.
Zhang Dazhi, Shi Kehan, Guo Zhichang*, Wu Boying, A class of elliptic systems with discontinuous variable exponents and L-1 data for image denoising, NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 50(2019): 448-468.
Hao Yu, Boying Wu, Dazhi Zhang*, A Hermite spectral method for fractional convection diffusion equations on unbounded domains, INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, DOI: 10.1080/00207160.2019.1683548, NOV 2019.
Jia Li, Dazhi Zhang, Xiong Meng*, Boying Wu, Analysis of Discontinuous Galerkin Methods with Upwind-Biased Fluxes for One Dimensional Linear Hyperbolic Equations with Degenerate Variable Coefficients, Journal of Scientific Computing, 78(3): 13005-1328, MAR 2019.
Hao Yu, Boying Wu, Dazhi Zhang*, The Laguerre-Hermite spectral methods for the time-fractional sub-diffusion equations on unbounded domains, Numerical Algorithms, 82(4): 1221-1250, DEC 2019.
Hao Yu, Boying Wu, Dazhi Zhang*, A generalized Laguerre spectral Petrov-Galerkin method for the time-fractional subdiffusion equation on the semi-infinite domain, APPLIED MATHEMATICS AND COMPUTATION, 331(2018): 96-111.
Zhenyu Zhou, Zhichang Guo*, Dazhi Zhang, Boying Wu, A Nonlinear Diffusion Equation-Based Model for Ultrasound Speckle Noise Removal, JOURNAL OF NONLINEAR SCIENCE, 28 (2018), no. 2, 443–470.
Kehan Shi, Dazhi Zhang, Zhichang Guo*, Boying Wu, A Linear Reaction-Diffusion System with Interior Degeneration for Color Image Compression, SIAM Journal on Imaging Sciences, Vol. 11, No. 1, pp. 442-472.
Kehan Shi, Dazhi Zhang, Zhichang Guo, Jiebao Sun, Boying Wu*, A non-divergence diffusion equation for removing impulse noise and mixed Gaussian impulse noise, NEUROCOMPUTING 173(2016) 659–670.
Zhenyu Zhou*, Zhichang Guo, Gang Dong, Jiebao Sun, Dazhi Zhang, and Boying Wu, A Doubly Degenerate Diffusion Model Based on the Gray Level Indicator for Multiplicative Noise Removal, IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 24, NO. 1, JANUARY 2015, 249-260.
Kehan Shi, Zhichang Guo*, Gang Dong, Jiebao Sun, Dazhi Zhang, Boying Wu, Salt-and-Pepper Noise Removal via Local Holder Seminorm and Nonlocal Operator for Natural and Texture Image, JOURNAL OF MATHEMATICAL IMAGING AND VISION, (2015) 51:400–412.
Gang Dong, Zhichang Guo*, Zhenyu Zhou, Dazhi Zhang, Boying Wu, Coherence-enhancing diffusion with the source term, APPLIED MATHEMATICAL MODELLING, 39 (2015) 6060–6072.
Boying Wu, Lihua Guo, Dazhi Zhang*, A novel method for solving a class of second order nonlinear differential equations with finitely many singularities, APPLIED MATHEMATICS LETTERS, 41 (2015) 1–6.
Guo Zhichang*, Sun Jiebao, Zhang Dazhi, Wu, Boying, Adaptive Perona-Malik Model Based on the Variable Exponent for Image Denoising, IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 21, NO. 3, MAR 2013, 958-967.
Dazhi Zhang, Jiebao Sun*, Boying Wu, Periodic solutions of a porous medium equation, Electronic Journal of Qualitative Theory of Differential Equations, 2011, No. 42, 1-7.
Yanli Zhai, Dazhi Zhang*, Jiebao Sun, Boying Wu, A novel variational model for image segmentation, Journal computational and applied mathematics, 235 (2011), 2234-2241.
Jiebao Sun*, Boying Wu, Jing Li, Dazhi Zhang, A class of doubly degenerate parabolic equations with periodic sources, Discrete. Contin. Dyn. Syst. Ser. B, 14 (3)(2010), 1199-1210.
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