Optimization Online Digest — July 2001

Applications — OR and Management Sciences

Constrained Nonlinear Programming for Volatility Estimation with GARCH Models
A. Altay-Salih, M.C. Pinar, S. Leyffer

Applications — Science and Engineering

Sufficient Optimality in a Parabolic Control Problem
Hans D. Mittelmann, Fredi Troeltzsch

Combinatorial Optimization

Feedback vertex sets and disjoint cycles in planar (di)graphs
Ton Kloks, C.M. Lee, Jim Liu

Convex and Nonsmooth Optimization

Polynomial interior point cutting plane methods
John E. Mitchell

Integer Programming

A comparison of the Sherali-Adams, Lov\'asz-Schrijver and Lasserre relaxations for $0-1$ programming
Monique Laurent

Facets of The Cardinality Constrained Circuit Polytope
Petra Bauer, Jeff Linderoth, Martin Savelsbergh

Optimization Software and Modeling Systems

An Independent Benchmarking of SDP and SOCP Solvers
Hans D. Mittelmann