Linear Convergence of Gradient Descent for Quadratically Regularized Optimal Transport Alberto González-Sanz, Marcel Nutz, and Andrés Riveros Valdevenito Preprint (submitted), 2025 arXiv PDF Monotonicity in Quadratically Regularized Linear Programs Alberto González-Sanz, Marcel Nutz, and Andrés Riveros Valdevenito SIAM J. Optim., 2025 arXiv PDF Markov Process Jump Times and their Cox Construction Philip Protter and Andrés Riveros Valdevenito Ann. Oper. Res., 2024 arXiv PDF On the Guyon-Lekeufack Volatility Model Marcel Nutz and Andrés Riveros Valdevenito Finance Stoch., 2024 arXiv PDF Propiedad de Martingala, Volatilidad Estocástica y Burbujas Financieras Andrés Riveros Valdevenito Master’s Thesis, under Professor Jaime San Martín, 2020 PDF Website