Dear Colleagues,

We want to update you on the CMU-IBM Cyberinfrastructure Collaborative
site for MINLP:   http://www.minlp.org
and  invite you to contribute to a unique library of mixed-integer nonlinear
programming (MINLP) and generalized disjunctive programming (GDP)
problems.

The major goal of this site is to create a library of MINLP and GDP problems
(linear and nonlinear) in different application areas in which one or 
several alternative
models are presented with their derivation. In addition, each model has 
one or
several instances that can serve to test various algorithms. While we are
emphasizing MINLP and GDP models, you may also wish to submit MILP and NLP
models. The site is intended to provide a mechanism for researchers and 
users to
contribute towards the creation of this library of optimization 
problems, and to
provide a forum of discussion for algorithm developers and application 
users where
alternative formulations can be discussed as well as performance and 
comparison of
algorithms. The site also provides the opportunity of posting open 
problems. It also
has extensive information on various resources, meetings and  bibliography.

If you have any comments or suggestions, please send them to:
[log in to unmask]

We very much look forward to your participation.

Ignacio Grossmann and Jon Lee, Co-chairs
Committee Members
Pietro Belotti
Larry Biegler
Pedro Castro
Francois Margot
Juan Ruiz
Nick Sahinidis
Andreas Waechter