%A K. Kiwiel %T A Note on the Twice Differentiable Cubic Augmented Lagrangian %X Rockafellar's quadratic augmented Lagrangian for inequality constrained minimization is not twice differentiable. To eliminate this drawback, 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. %C IIASA, Laxenburg, Austria %D 1994 %I WP-94-012 %L iiasa4197