Online First

• Continuous Subsonic-Sonic Flows in Curved Convergent Nozzles with a Fixed Point

  Yuanyuan Nie, Mingjun Zhou

• Asymptotic Estimates for the Ruin Probability of a Multidimensional Delay-Claim Risk Model with Dependent Claims

  Yuchen Sun, Weipeng Sun

• A Positivity-Preserving Fourier Spectral Moving Mesh Method for the Keller-Segel Chemotaxis Model

  Yutong Kuang, Zhiwen Zhang

• The Exponential Decaying Noncommutative Differential Forms and Convolution Algebras

  Wen Zhang