Ginaldo Sá

• Higher regularity of solutions to fully nonlinear elliptic equations
  Math. Ann. (2026) - with T. Nascimento, A. Sobral, and  E. Teixeira

• Regularity estimates for fully nonlinear dead-core problems with a Hamiltonian Term
  Math. Nachr. (2026) - with R. Ramos

• Regularity estimates to quasi-linear parabolic equations in non-divergence form with non-homogeneous signature
  Commun. Contemp. Math. (2026) - with J. V. da Silva and Jr. Bessa

• Sharp regularity for a singular fully nonlinear parabolic free boundary problem
  J. Differential Equations (2024) - with D. Araújo  and J.M. Urbano

• Infinity Laplacian equations with singular absorptions
  Cal. of Var. and PDEs (2022) SBM Prize* - with D. Araújo

• Comparison Principle, A.B.P.-type estimates for solutions of quasi-linear elliptic equations in non-divergence form and some implications
  (with Jr. Bessa, R. Biswas, J. V. da Silva and M. Santos)

• Geometric regularity estimates for quasi-linear elliptic models in non-divergence form with strong absorption
  (with C. Alcantara and J. V. da Silva)

• Improved regularity estimates for Hardy-Hénon-type equations driven by the ∞-Laplacian
  (with E. Bezerra, J. V. da Silva and T Nascimento)

• Sharp and improved regularity estimates for weighted quasilinear elliptic equations of p−Laplacian type and applications
  (with J. V. da Silva, D. dos Prazeres and G. Ricarte).

• Oscillatory free boundary problems in stochastic materials
  (with D. Araújo, J. M. Urbano and E. Teixeira)

Center for Mathematical Modeling (CMM) 

Departamento de Ingeniería Matemática

Facultad de Ciencias Físicas y Matemáticas

Beauchef 851, Piso 4, office 415, Santiago, Chile.
gdesantana@dim.uchile.cl