# Article

 Title: $H^2$ convergence of solutions of a biharmonic problem on a truncated convex sector near the angle $\pi$ (English) Author: Tami, Abdelkader Author: Tlemcani, Mounir Language: English Journal: Applications of Mathematics ISSN: 0862-7940 (print) ISSN: 1572-9109 (online) Volume: 66 Issue: 3 Year: 2021 Pages: 383-395 Summary lang: English . Category: math . Summary: We consider a biharmonic problem $\Delta ^{2}u_{\omega }=f_\omega$ with Navier type boundary conditions $u_{\omega }=\Delta u_{\omega }=0$, on a family of truncated sectors $\Omega _{\omega }$ in $\mathbb {R}^2$ of radius $r$, \$0

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