Sandra A. Santos

Publication Activity (10 Years)

Years Active: 1999-2023
Publications (10 Years): 22

Top Topics

Parameter Selection

Convergence Analysis

Constrained Minimization

Top Venues

J. Optim. Theory Appl.

Comput. Optim. Appl.

Numer. Algorithms

Publications

Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
A primal nonsmooth reformulation for bilevel optimization problems. Math. Program. 198 (2) (2023)
Renan W. Prado, Sandra A. Santos, Lucas E. A. Simões
On the Fulfillment of the Complementary Approximate Karush-Kuhn-Tucker Conditions and Algorithmic Applications. J. Optim. Theory Appl. 197 (2) (2023)
Renan W. Prado, Sandra A. Santos, Lucas E. A. Simões
On the convergence analysis of a penalty algorithm for nonsmooth optimization and its performance for solving hard-sphere problems. Numer. Algorithms 91 (2) (2022)
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
Unbiased Bregman-Risk Estimators: Application to Regularization Parameter Selection in Tomographic Image Reconstruction. CoRR (2021)
María Cristina Maciel, Sandra A. Santos, Graciela N. Sottosanto
On Second-Order Optimality Conditions for Vector Optimization: Addendum. J. Optim. Theory Appl. 188 (2) (2021)
Thadeu A. Senne, Francisco A. M. Gomes, Sandra A. Santos
Inexact Newton combined approximations in the topology optimization of geometrically nonlinear elastic structures and compliant mechanisms. CoRR (2021)
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
A New Sequential Optimality Condition for Constrained Nonsmooth Optimization. SIAM J. Optim. 30 (2) (2020)
Maria Aparecida Diniz Ehrhardt, Deise Gonçalves Ferreira, Sandra A. Santos
Applying the pattern search implicit filtering algorithm for solving a noisy problem of parameter identification. Comput. Optim. Appl. 76 (3) (2020)
Ernesto G. Birgin, John Lenon Cardoso Gardenghi, José Mario Martínez, Sandra A. Santos
On the use of third-order models with fourth-order regularization for unconstrained optimization. Optim. Lett. 14 (4) (2020)
Elias S. Helou, Sandra A. Santos, Lucas E. A. Simões
Analysis of a New Sequential Optimality Condition Applied to Mathematical Programs with Equilibrium Constraints. J. Optim. Theory Appl. 185 (2) (2020)
Maria Aparecida Diniz Ehrhardt, Deise Gonçalves Ferreira, Sandra A. Santos
A pattern search and implicit filtering algorithm for solving linearly constrained minimization problems with noisy objective functions. Optim. Methods Softw. 34 (4) (2019)
Ronaldo Lopes, Sandra A. Santos, Paulo J. S. Silva
Accelerating block coordinate descent methods with identification strategies. Comput. Optim. Appl. 72 (3) (2019)
Roberto Andreani, Viviana A. Ramirez, Sandra A. Santos, Leonardo D. Secchin
Bilevel optimization with a multiobjective problem in the lower level. Numer. Algorithms 81 (3) (2019)
Roger Behling, Douglas Soares Gonçalves, Sandra A. Santos
Local Convergence Analysis of the Levenberg-Marquardt Framework for Nonzero-Residue Nonlinear Least-Squares Problems Under an Error Bound Condition. J. Optim. Theory Appl. 183 (3) (2019)
Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões
A fast gradient and function sampling method for finite-max functions. Comput. Optim. Appl. 71 (3) (2018)
Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões
On the Local Convergence Analysis of the Gradient Sampling Method for Finite Max-Functions. J. Optim. Theory Appl. 175 (1) (2017)
Elizabeth W. Karas, Sandra A. Santos, Benar Fux Svaiter
Algebraic rules for computing the regularization parameter of the Levenberg-Marquardt method. Comput. Optim. Appl. 65 (3) (2016)
Douglas Soares Gonçalves, Sandra A. Santos
Local analysis of a spectral correction for the Gauss-Newton model applied to quadratic residual problems. Numer. Algorithms 73 (2) (2016)
Ernesto G. Birgin, John Lenon Cardoso Gardenghi, José Mario Martínez, Sandra A. Santos, Philippe L. Toint
Evaluation Complexity for Nonlinear Constrained Optimization Using Unscaled KKT Conditions and High-Order Models. SIAM J. Optim. 26 (2) (2016)
Elias Salomão Helou, Sandra A. Santos, Lucas E. A. Simões
On the differentiability check in gradient sampling methods. Optim. Methods Softw. 31 (5) (2016)
Sueli I. R. Costa, Sandra A. Santos, João E. Strapasson
Fisher information distance: A geometrical reading. Discret. Appl. Math. 197 (2015)
Elizabeth W. Karas, Sandra A. Santos, Benar Fux Svaiter
Algebraic rules for quadratic regularization of Newton's method. Comput. Optim. Appl. 60 (2) (2015)
Sandra A. Santos, Roberto Cristóvão Mesquita Silva
An inexact and nonmonotone proximal method for smooth unconstrained minimization. J. Comput. Appl. Math. 269 (2014)
Sueli I. Rodrigues Costa, Sandra A. Santos, João Strapasson
Fisher information distance: a geometrical reading? CoRR (2012)
María Cristina Maciel, Sandra A. Santos, Graciela N. Sottosanto
On Second-Order Optimality Conditions for Vector Optimization. J. Optim. Theory Appl. 149 (2) (2011)
María Cristina Maciel, Sandra A. Santos, Graciela N. Sottosanto
Regularity Conditions in Differentiable Vector Optimization Revisited. J. Optimization Theory and Applications 142 (2) (2009)
Marielba Rojas, Sandra A. Santos, Danny C. Sorensen
Algorithm 873:: LSTRS: MATLAB software for large-scale trust-region subproblems and regularization. ACM Trans. Math. Softw. 34 (2) (2008)
Sueli I. R. Costa, Sandra A. Santos, João E. Strapasson
Fisher information matrix and hyperbolic geometry. ITW (2005)
Marielba Rojas, Sandra A. Santos, Danny C. Sorensen
A New Matrix-Free Algorithm for the Large-Scale Trust-Region Subproblem. SIAM J. Optim. 11 (3) (2001)
Zdenek Dostál, Ana Friedlander, Sandra A. Santos
Augmented Lagrangians with Adaptive Precision Control for Quadratic Programming with Equality Constraints. Comput. Optim. Appl. 14 (1) (1999)