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• Finite Element Error Estimation for Parabolic Optimal Control Problems with Pointwise Observations

  Dongdong Liang, Wei Gong, Xiaoping Xie

  2022-02-09

  DOI:10.4208/nmtma.OA-2021-0123

  46330 4064 pp. 165-199

• Hierarchical Absorbing Interface Conditions for Wave Propagation on Non-Uniform Meshes

  Shuyang Dai, Zhiyuan Sun, Fengru Wang, Jerry Zhijian Yang, Cheng Yuan

  2022-02-09

  DOI:10.4208/nmtma.OA-2021-0135

  43959 3711 pp. 251-278

• Spectral Analysis for Preconditioning of Multi-Dimensional Riesz Fractional Diffusion Equations

  Xin Huang, Xue-Lei Lin, Michael K. Ng, Hai-Wei Sun

  2022-07-19

  DOI:10.4208/nmtma.OA-2022-0032

  42252 3276 pp. 565-591