Academic Editor: Youssef EL FOUTAYENI
Received |
Accepted |
Published |
January 31, 2021 |
February 15, 2021 |
March 15, 2021 |
Abstract: We study the jump of singularities of a biharmonic problem ∆^2 u_ω=f with boundary condition u_ω=∆u_ω=0, on the family of truncated sectors Ω_ω in R^2 of radius r, 0