An aggregate subgradient method for nonsmooth convex minimization. - Krzysztof C. Kiwiel (Math. Program., 1983)

A Linearization Algorithm for Nonsmooth Minimization. - Krzysztof Czeslaw Kiwiel (Math. Oper. Res., 1985)

A method of linearizations for linearly constrained nonconvex nonsmooth minimization. - Krzysztof C. Kiwiel (Math. Program., 1986)

Proximity Control in Bundle Methods for Convex Nondifferentiable Minimization. - Krzysztof C. Kiwiel (Math. Program., 1990)

Exact penalty functions in proximal bundle methods for constrained convex nondifferentiable minimization. - Krzysztof C. Kiwiel (Math. Program., 1991)

A tilted cutting plane proximal bundle method for convex nondifferentiable optimization. - Krzysztof C. Kiwiel (Oper. Res. Lett., 1991)

Proximal level bundle methods for convex nondifferentiable optimization, saddle-point problems and variational inequalities. - Krzysztof C. Kiwiel (Math. Program., 1995)

A descent proximal level bundle method for convex nondifferentiable optimization. - Ulf Brännlund; Krzysztof C. Kiwiel; Per Olov Lindberg (Oper. Res. Lett., 1995)

A note on some analytic center cutting plane methods for convex feasibility and minimization problems. - Anna Altman; Krzysztof C. Kiwiel (Comput. Optim. Appl., 1996)

Complexity of some cutting plane methods that use analytic centers. - Krzysztof C. Kiwiel (Math. Program., 1996)

Restricted Step and Levenberg-Marquardt Techniques in Proximal Bundle Methods for Nonconvex Nondifferentiable Optimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 1996)

Free-Steering Relaxation Methods for Problems with Strictly Convex Costs and Linear Constraints. - Krzysztof C. Kiwiel (Math. Oper. Res., 1997)

Efficiency of the Analytic Center Cutting Plane Method for Convex Minimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 1997)

Surrogate Projection Methods for Finding Fixed Points of Firmly Nonexpansive Mappings. - Krzysztof C. Kiwiel; Bozena Lopuch (SIAM J. Optim., 1997)

Incorporating Inequality Constraints in the Spectral Bundle Method. - Christoph Helmberg; Krzysztof C. Kiwiel; Franz Rendl (IPCO, 1998)

The Efficiency of Ballstep Subgradient Level Methods for Convex Optimization. - Krzysztof C. Kiwiel; Torbjörn Larsson; Per Olov Lindberg (Math. Oper. Res., 1999)

Convergence of a simple subgradient level method. - Jean-Louis Goffin; Krzysztof C. Kiwiel (Math. Program., 1999)

A bundle Bregman proximal method for convex nondifferentiable minimization. - Krzysztof C. Kiwiel (Math. Program., 1999)

Proximal Decomposition Via Alternating Linearization. - Krzysztof C. Kiwiel; Charles H. Rosa; Andrzej Ruszczynski (SIAM J. Optim., 1999)

Bregman Proximal Relaxation of Large-Scale 0-1 Problems. - Krzysztof C. Kiwiel; Per Olov Lindberg; Andreas Nõu (Comput. Optim. Appl., 2000)

Dual Applications of Proximal Bundle Methods, Including Lagrangian Relaxation of Nonconvex Problems. - Stefan Feltenmark; Krzysztof C. Kiwiel (SIAM J. Optim., 2000)

Convergence and efficiency of subgradient methods for quasiconvex minimization. - Krzysztof C. Kiwiel (Math. Program., 2001)

Randomized selection revisited - Krzysztof C. Kiwiel (CoRR, 2002)

A spectral bundle method with bounds. - Christoph Helmberg; Krzysztof C. Kiwiel (Math. Program., 2002)

Partitioning schemes for quicksort and quickselect - Krzysztof C. Kiwiel (CoRR, 2003)

Randomized selection with quintary partitions - Krzysztof C. Kiwiel (CoRR, 2003)

Randomized selection with tripartitioning - Krzysztof C. Kiwiel (CoRR, 2004)

Improved randomized selection - Krzysztof C. Kiwiel (CoRR, 2004)

Convergence of Approximate and Incremental Subgradient Methods for Convex Optimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 2004)

On Floyd and Rivest's SELECT algorithm. - Krzysztof C. Kiwiel (Theor. Comput. Sci., 2005)

Mean value cross decomposition for nonlinear convex problems. - Kaj Holmberg; Krzysztof C. Kiwiel (Optim. Methods Softw., 2006)

A Proximal-Projection Bundle Method for Lagrangian Relaxation, Including Semidefinite Programming. - Krzysztof C. Kiwiel (SIAM J. Optim., 2006)

A Proximal Bundle Method with Approximate Subgradient Linearizations. - Krzysztof C. Kiwiel (SIAM J. Optim., 2006)

Lagrangian Relaxation via Ballstep Subgradient Methods. - Krzysztof C. Kiwiel; Torbjörn Larsson; Per Olov Lindberg (Math. Oper. Res., 2007)

Convergence of the Gradient Sampling Algorithm for Nonsmooth Nonconvex Optimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 2007)

Breakpoint searching algorithms for the continuous quadratic knapsack problem. - Krzysztof C. Kiwiel (Math. Program., 2008)

A Method of Centers with Approximate Subgradient Linearizations for Nonsmooth Convex Optimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 2008)

An inexact bundle variant suited to column generation. - Krzysztof C. Kiwiel; Claude Lemaréchal (Math. Program., 2009)

An Inexact Bundle Approach to Cutting-Stock Problems. - Krzysztof C. Kiwiel (INFORMS J. Comput., 2010)

A Nonderivative Version of the Gradient Sampling Algorithm for Nonsmooth Nonconvex Optimization. - Krzysztof C. Kiwiel (SIAM J. Optim., 2010)

An alternating linearization bundle method for convex optimization and nonlinear multicommodity flow problems. - Krzysztof C. Kiwiel (Math. Program., 2011)