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Stability Regularized Cross-Validation
Ryan Cory-Wright, Andrés Gómez
We revisit the problem of ensuring strong test set performance via cross-validation, and propose a nested k-fold cross-validation scheme that selects hyperparameters by minimizing…
math.OC2025
Improved Approximation Algorithms for Orthogonally Constrained Problems Using Semidefinite Optimization
Ryan Cory-Wright, Jean Pauphilet
Building on the blueprint from Goemans and Williamson (1995) for the Max-Cut problem, we construct a polynomial-time approximation algorithm for orthogonally constrained quadratic…