Krzysztof C. Kiwiel

Publication Activity (10 Years)

Years Active: 1983-2011
Publications (10 Years): 0

Publications

Krzysztof C. Kiwiel
An alternating linearization bundle method for convex optimization and nonlinear multicommodity flow problems. Math. Program. 130 (1) (2011)
Krzysztof C. Kiwiel
An Inexact Bundle Approach to Cutting-Stock Problems. INFORMS J. Comput. 22 (1) (2010)
Krzysztof C. Kiwiel
A Nonderivative Version of the Gradient Sampling Algorithm for Nonsmooth Nonconvex Optimization. SIAM J. Optim. 20 (4) (2010)
Krzysztof C. Kiwiel, Claude Lemaréchal
An inexact bundle variant suited to column generation. Math. Program. 118 (1) (2009)
Krzysztof C. Kiwiel
Breakpoint searching algorithms for the continuous quadratic knapsack problem. Math. Program. 112 (2) (2008)
Krzysztof C. Kiwiel
A Method of Centers with Approximate Subgradient Linearizations for Nonsmooth Convex Optimization. SIAM J. Optim. 18 (4) (2008)
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
Lagrangian Relaxation via Ballstep Subgradient Methods. Math. Oper. Res. 32 (3) (2007)
Krzysztof C. Kiwiel
Convergence of the Gradient Sampling Algorithm for Nonsmooth Nonconvex Optimization. SIAM J. Optim. 18 (2) (2007)
Krzysztof C. Kiwiel
A Proximal Bundle Method with Approximate Subgradient Linearizations. SIAM J. Optim. 16 (4) (2006)
Kaj Holmberg, Krzysztof C. Kiwiel
Mean value cross decomposition for nonlinear convex problems. Optim. Methods Softw. 21 (3) (2006)
Krzysztof C. Kiwiel
A Proximal-Projection Bundle Method for Lagrangian Relaxation, Including Semidefinite Programming. SIAM J. Optim. 17 (4) (2006)
Krzysztof C. Kiwiel
On Floyd and Rivest's SELECT algorithm. Theor. Comput. Sci. 347 (1-2) (2005)
Krzysztof C. Kiwiel
Convergence of Approximate and Incremental Subgradient Methods for Convex Optimization. SIAM J. Optim. 14 (3) (2004)
Krzysztof C. Kiwiel
Improved randomized selection CoRR (2004)
Krzysztof C. Kiwiel
Randomized selection with tripartitioning CoRR (2004)
Krzysztof C. Kiwiel
Partitioning schemes for quicksort and quickselect CoRR (2003)
Krzysztof C. Kiwiel
Randomized selection with quintary partitions CoRR (2003)
Krzysztof C. Kiwiel
Randomized selection revisited CoRR (2002)
Christoph Helmberg, Krzysztof C. Kiwiel
A spectral bundle method with bounds. Math. Program. 93 (2) (2002)
Krzysztof C. Kiwiel
Convergence and efficiency of subgradient methods for quasiconvex minimization. Math. Program. 90 (1) (2001)
Stefan Feltenmark, Krzysztof C. Kiwiel
Dual Applications of Proximal Bundle Methods, Including Lagrangian Relaxation of Nonconvex Problems. SIAM J. Optim. 10 (3) (2000)
Krzysztof C. Kiwiel, Per Olov Lindberg, Andreas Nõu
Bregman Proximal Relaxation of Large-Scale 0-1 Problems. Comput. Optim. Appl. 15 (1) (2000)
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
The Efficiency of Ballstep Subgradient Level Methods for Convex Optimization. Math. Oper. Res. 24 (1) (1999)
Krzysztof C. Kiwiel, Charles H. Rosa, Andrzej Ruszczynski
Proximal Decomposition Via Alternating Linearization. SIAM J. Optim. 9 (3) (1999)
Krzysztof C. Kiwiel
A bundle Bregman proximal method for convex nondifferentiable minimization. Math. Program. 85 (2) (1999)
Jean-Louis Goffin, Krzysztof C. Kiwiel
Convergence of a simple subgradient level method. Math. Program. 85 (1) (1999)
Christoph Helmberg, Krzysztof C. Kiwiel, Franz Rendl
Incorporating Inequality Constraints in the Spectral Bundle Method. IPCO (1998)
Krzysztof C. Kiwiel
Free-Steering Relaxation Methods for Problems with Strictly Convex Costs and Linear Constraints. Math. Oper. Res. 22 (2) (1997)
Krzysztof C. Kiwiel, Bozena Lopuch
Surrogate Projection Methods for Finding Fixed Points of Firmly Nonexpansive Mappings. SIAM J. Optim. 7 (4) (1997)
Krzysztof C. Kiwiel
Efficiency of the Analytic Center Cutting Plane Method for Convex Minimization. SIAM J. Optim. 7 (2) (1997)
Krzysztof C. Kiwiel
Restricted Step and Levenberg-Marquardt Techniques in Proximal Bundle Methods for Nonconvex Nondifferentiable Optimization. SIAM J. Optim. 6 (1) (1996)
Anna Altman, Krzysztof C. Kiwiel
A note on some analytic center cutting plane methods for convex feasibility and minimization problems. Comput. Optim. Appl. 5 (2) (1996)
Krzysztof C. Kiwiel
Complexity of some cutting plane methods that use analytic centers. Math. Program. 74 (1996)
Ulf Brännlund, Krzysztof C. Kiwiel, Per Olov Lindberg
A descent proximal level bundle method for convex nondifferentiable optimization. Oper. Res. Lett. 17 (3) (1995)
Krzysztof C. Kiwiel
Proximal level bundle methods for convex nondifferentiable optimization, saddle-point problems and variational inequalities. Math. Program. 69 (1995)
Krzysztof C. Kiwiel
A tilted cutting plane proximal bundle method for convex nondifferentiable optimization. Oper. Res. Lett. 10 (2) (1991)
Krzysztof C. Kiwiel
Exact penalty functions in proximal bundle methods for constrained convex nondifferentiable minimization. Math. Program. 52 (1991)
Krzysztof C. Kiwiel
Proximity Control in Bundle Methods for Convex Nondifferentiable Minimization. Math. Program. 46 (1990)
Krzysztof C. Kiwiel
A method of linearizations for linearly constrained nonconvex nonsmooth minimization. Math. Program. 34 (2) (1986)
Krzysztof C. Kiwiel
An aggregate subgradient method for nonsmooth convex minimization. Math. Program. 27 (3) (1983)