3 citations · 11 across the 13 of their papers we have counts for
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math.AP2016★ 1 cited
Positivity results for indefinite sublinear elliptic problems via a continuity argument
Uriel Kaufmann, Humberto Ramos Quoirin, Kenichiro Umezu
We establish a positivity property for a class of semilinear elliptic problems involving indefinite sublinear nonlinearities. Namely, we show that any nontrivial nonnegative soluti…
math.AP2016★ 3 cited
A loop type component in the non-negative solutions set of an indefinite elliptic problem
Humberto Ramos Quoirin, Kenichiro Umezu
We prove the existence of a loop type component of non-negative solutions for an indefinite elliptic equation with homogeneous Neumann boundary conditions. This result complements…