Optimization Online Digest — April 2001

Applications — Science and Engineering

A nonlinear optimization package for long-term hydrothermal coordination
Jordi Castro, Jose A. Gonzalez

An Attractor-Repeller Approach to Floorplanning
Miguel F. Anjos, Anthony Vannelli

Combinatorial Optimization

Upper Bounds on ATSP Neighborhood Size
Gregory Gutin, Anders Yeo

Linear, Cone and Semidefinite Programming

Implementation Issues in CSDP
Brian Borchers

Lagrangian dual interior-point methods for semidefinite programs
Mituhiro Fukuda, Masakazu Kojima, Masayuki Shida

Self-scaled barriers for irreducible symmetric cones
Raphael Hauser, Yongdo Lim

Analyticity of the central path at the boundary point in semidefinite programming
Margareta Halicka

Network Optimization

A study of preconditioners for network interior point methods
J. J. Judice, J. M. Patricio, L. F. Portugal, M. G. C. Resende, G. Veiga

Nonlinear Optimization

Fast iterative solution of saddle point problems in optimal control based on wavelets
Angela Kunoth

Extra-Updates Criterion for the Limited Memory BFGS Algorithm for Large Scale Nonlinear Optimization
M. Al-Baali

On the Convergence of Newton Iterations to Non-Stationary Points
Richard Byrd, Marcelo Marazzi, Jorge Nocedal

Stochastic Programming

Decomposition Algorithms for Stochastic Programming on a Computational Grid
Jeff Linderoth, Stephen Wright