Articles

• On Quadratic Wasserstein Metric with Squaring Scaling for Seismic Velocity Inversion

  Zhengyang Li, Yijia Tang, Jing Chen, Hao Wu

  277-297

  https://doi.org/10.4208/nmtma.OA-2022-0111

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  37446 2775

• An Adaptive Physics-Informed Neural Network with Two-Stage Learning Strategy to Solve Partial Differential Equations

  Shuyan Shi, Ding Liu, Ruirui Ji, Yuchao Han

  298-322

  https://doi.org/10.4208/nmtma.OA-2022-0063

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  39945 3093

• Convergence of Weak Galerkin Finite Element Method for Second Order Linear Wave Equation in Heterogeneous Media

  Bhupen Deka, Papri Roy, Naresh Kumar, Raman Kumar

  323-347

  https://doi.org/10.4208/nmtma.OA-2021-0080

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  38059 2788

• Linearized Transformed $L1$ Galerkin FEMs with Unconditional Convergence for Nonlinear Time Fractional Schrödinger Equations

  Wanqiu Yuan, Dongfang Li, Chengjian Zhang

  348-369

  https://doi.org/10.4208/nmtma.OA-2022-0087

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  39344 2938

• Finding Symmetry Groups of Some Quadratic Programming Problems

  Anton V. Eremeev, Alexander S. Yurkov

  370-392

  https://doi.org/10.4208/nmtma.OA-2022-0092

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  36814 2730

• New Sixth-Order Compact Schemes for Poisson/Helmholtz Equations

  Kejia Pan, Kang Fu, Jin Li, Hongling Hu, Zhilin Li

  393-409

  https://doi.org/10.4208/nmtma.OA-2022-0073

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  38082 2894

• An Algebraic Multigrid-Based Physical Factorization Preconditioner for the Multi-Group Radiation Diffusion Equations in Three Dimensions

  Xiaoqiang Yue, Zekai Zhang, Xiaowen Xu, Shuying Zhai, Shi Shu

  410-432

  https://doi.org/10.4208/nmtma.OA-2022-0054%20

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  36757 2719

• Absorbing Interface Conditions for the Simulation of Wave Propagation on Non-Uniform Meshes

  Changshi Li, Yuhui Liu, Fengru Wang, Jerry Zhijian Yang, Cheng Yuan

  433-452

  https://doi.org/10.4208/nmtma.OA-2022-0105

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  37184 2663

• New Rational Interpolation Basis Functions on the Unbounded Intervals and Their Applications

  Dong-Qin Gu, Zhong-Qing Wang, Chao Zhang

  453-488

  https://doi.org/10.4208/nmtma.OA-2022-0109

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  37376 2832

• Mixed Finite Element Methods for the Ferrofluid Model with Magnetization Paralleled to the Magnetic Field

  Yongke Wu, Xiaoping Xie

  489-510

  https://doi.org/10.4208/nmtma.OA-2022-0163

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  37247 2630

• Numerical Algorithm with Fourth-Order Spatial Accuracy for Solving the Time-Fractional Dual-Phase-Lagging Nanoscale Heat Conduction Equation

  Cui-Cui Ji, Weizhong Dai

  511-540

  https://doi.org/10.4208/nmtma.OA-2022-0050%20

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  40525 9016435

• An Efficient Cartesian Grid-Based Method for Scattering Problems with Inhomogeneous Media

  Haixia Dong, Wenjun Ying, Jiwei Zhang

  541-564

  https://doi.org/10.4208/nmtma.OA-2022-0159

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  36167 2587