Equivalence of the induced norm with the Sobolev norm
Let Ω⊂R3\Omega\subset\mathbb{R}^3Ω⊂R3 be a Lipschitz domain, let ∅≠Γ⊂∂Ω\emptyset\neq\Gamma\subset\partial\Omega∅=Γ⊂∂Ω be relatively open, and let…