The degenerate variable metric proximal point algorithm and adaptive stepsizes for primal-dual Douglas-Rachford - Lorenz, Dirk A.; Marquardt, Jannis; Naldi, Emanuele (Optimization, 2025)
Keywords: Adaptive algorithms; adaptive stepsizes; Algorithms; Convergence; Douglas-Rachford method; non-stationary primal-dual method; Preconditioned proximal point algorithm; varying preconditioners