Establishes linear L2 convergence of dual gradient descent for quadratically regularized OT via spectral analysis showing the linearized operator is a strict contraction.
González-Sanz and M
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Linear Convergence of Gradient Descent for Quadratically Regularized Optimal Transport
Establishes linear L2 convergence of dual gradient descent for quadratically regularized OT via spectral analysis showing the linearized operator is a strict contraction.