?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4197%2F&rft.title=A+Note+on+the+Twice+Differentiable+Cubic+Augmented+Lagrangian&rft.creator=Kiwiel%2C+K.&rft.description=Rockafellar's+quadratic+augmented+Lagrangian+for+inequality+constrained+minimization+is+not+twice+differentiable.+To+eliminate+this+drawback%2C+several+quite+complicated+Lagrangians+have+been+proposed.+We+exhibit+a+simple+cubic+Lagrangian+that+is+twice+differentiable.+It+stems+from+the+recent+work+of+Eckstein+and+Teboulle+on+Bregman-related+Lagrangians.&rft.publisher=WP-94-012&rft.date=1994-03&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4197%2F1%2FWP-94-012.pdf&rft.identifier=++Kiwiel%2C+K.++(1994).++A+Note+on+the+Twice+Differentiable+Cubic+Augmented+Lagrangian.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-94-012+++++