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20112026
most citedBoundedness of weak solutions of degenerate quasilinear equations with rough coefficients

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math.AP2026

Sobolev Inequalities and the Existence of Solutions to Degenerate -Poisson Equations

David Cruz-Uribe, Feyza Dal, Scott Rodney

In this paper we study an equivalence between the existence of a Sobolev inequality without gain, \[\|φ\|_{L^p(v,Ω)} \leq S(p,1) \| \sqrt{Q}\nabla φ\|_{L^p(Ω)},\] that holds for sm…

math.AP2026

Degenerate Sobolev and Poincaré inequalities via extrapolation

David Cruz-Uribe, Feyza Elif Dal, Scott Rodney

In this paper we prove matrix weighted Sobolev and Poincaré inequalities using techniques derived from the theory of Rubio de Francia extrapolation. Given weights and a sym…