One-Layer Free Boundary Problems with Two Free Boundaries -- New Numerical Solutions for the Brezis-Nirenberg Problem on $$\mathbb{S}^n $$ -- On some Boundary Value Problems for Incompressible Viscous Flows with Shear Dependent Viscosity -- Radiative Heat Transfer in Silicon Purification -- A Decay Result for a Quasilinear Parabolic System -- The Shape of Charged Drops: Symmetrybreaking Bifurc…