U. Guarnotta

activity

20182026

most citedA general notion of uniform ellipticity and the regularity of the stress field for elliptic equations in divergence form

12 citations · 17 across the 25 of their papers we have counts for

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Showing 2026 · math.APShow all

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math.AP2026

The obstacle problem for singular quasi-linear elliptic equations

Annamaria Barbagallo, Umberto Guarnotta

Existence of solutions to an obstacle $p$ -Laplacian problem exhibiting a singular, discontinuous reaction is proved. The reaction term may be discontinuous in a Lebesgue-negligible…

math.AP2026

On singular $p$ -Laplacian problems with discontinuous convection terms

Umberto Guarnotta, Salvatore A. Marano

The existence of positive strong solutions to a homogeneous Dirichlet $p$ -Laplacian problem, with reaction sum of a both singular at zero and highly discontinuous nonlinearity and…

The obstacle problem for singular quasi-linear elliptic equations

On singular p-Laplacian problems with discontinuous convection terms

On singular $p$ -Laplacian problems with discontinuous convection terms