Dai, Rui.The structure stability of periodic solutions for first-order uncertain dynamical systems.[J].FUZZY SETS AND SYSTEMS,2021,400134-146. Lu Yufeng.投影谱的光滑性.[J].中国科学,2021, yangyixin.On the commutator and Fredholmness of isometric pair.[J].Oper. Matrices,2021, hanzhiqing.Nontrivial solutions to non-local problems with sublinear or superlinear nonlinearities.[J].SN Partial Differential Equations and Applications,2021,1(5):1-29. Wandering subspace property of the shift operator on a class of invariant subspaces of the weighted Bergman space L^2_a(dA_2).[J].Banach J. Math. Anal.,2021,14784-820. N_psi,phi-type Quotient Modules over the Bidisk.[J].Acta Math.Sinica (English Series),2021,36(8):943-960. Li, Haohao.Multiview Dimension Reduction Based on Sparsity Preserving Projections.[A].2021,11854296-309. Liu Liu.Robust stability analysis for feedback systems with simultaneous uncertainties via IQCs.[J].IET CONTROL THEORY AND APPLICATIONS,2021,14(17):2643-2650. Wu, Yulai.Homologically trivial group actions on elliptic surfaces.[J].JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS,2021,29(10,SI): Qi, Xuesen.Evolution of the first eigenvalue of the Laplace operator and the p-Laplace operator under a forced mean curvature flow.[J].OPEN MATHEMATICS,2021,181518-1530.