General infinite dimensional duality and applications to evolutionary network equilibrium problems. - Patrizia Daniele; Sofia Giuffrè (Optim. Lett., 2007)

Global regularity for solutions to Dirichlet problem for discontinuous elliptic systems with nonlinearity q > 1 and with natural growth. - Sofia Giuffrè; Giovanna Idone (J. Glob. Optim., 2008)

Some classes of projected dynamical systems in Banach spaces and variational inequalities. - Sofia Giuffrè; Giovanna Idone; Stéphane Pia (J. Glob. Optim., 2008)

Variational approach for a general financial equilibrium problem: The Deficit Formula, the Balance Law and the Liability Formula. A path to the economy recovery. - Annamaria Barbagallo; Patrizia Daniele; Sofia Giuffrè; Antonino Maugeri (Eur. J. Oper. Res., 2014)

Duality Theory and Applications to Unilateral Problems. - Patrizia Daniele; Sofia Giuffrè; Antonino Maugeri; Fabio Raciti (J. Optim. Theory Appl., 2014)

Random Variational Inequalities and the Random Traffic Equilibrium Problem. - Patrizia Daniele; Sofia Giuffrè (J. Optim. Theory Appl., 2015)

Functional inequalities, regularity and computation of the deficit and surplus variables in the financial equilibrium problem. - Patrizia Daniele; Sofia Giuffrè; Mariagrazia Lorino (J. Glob. Optim., 2016)

Cybersecurity investments with nonlinear budget constraints and conservation laws: variational equilibrium, marginal expected utilities, and Lagrange multipliers. - Gabriella Colajanni; Patrizia Daniele; Sofia Giuffrè; Anna Nagurney (Int. Trans. Oper. Res., 2018)

Preface. - Sebastiano Battiato; Patrizia Daniele; Giovanni Maria Farinella; Sofia Giuffrè; Laura Rosa Maria Scrimali (J. Glob. Optim., 2018)

Identifying Colluding Actors in Social Communities by Reputation Measures. - Mariantonia Cotronei; Sofia Giuffrè; Attilio Marcianò; Domenico Rosaci; Giuseppe M. L. Sarnè (AII, 2022)

On the Existence of Radial Solutions to a Nonconstant Gradient-Constrained Problem. - Sofia Giuffrè; Attilio Marcianò (Symmetry, 2022)

A Nonconstant Gradient Constrained Problem for Nonlinear Monotone Operators. - Sofia Giuffrè (Axioms, 2023)

Improving the Effectiveness of Eigentrust in Computing the Reputation of Social Agents in Presence of Collusion. - Mariantonia Cotronei; Sofia Giuffrè; Attilio Marcianò; Domenico Rosaci; Giuseppe M. L. Sarnè (Int. J. Neural Syst., 2024)

Using Trust and Reputation for Detecting Groups of Colluded Agents in Social Networks. - Mariantonia Cotronei; Sofia Giuffrè; Attilio Marcianò; Domenico Rosaci; Giuseppe M. L. Sarnè (IEEE Access, 2025)