As part of the 2026 INFORMS Optimization Society Conference (IOS 2026), which took place in Atlanta, GA, USA from March 20 to 22, 2026, participants were given the opportunity to submit papers to associated refereed proceedings—this marked the second edition of such proceedings in the IOS conference series.

Papers were welcome from all aspects of mathematical optimization, including new algorithmic and structural results as well as computational studies and applications, and from aross all areas of optimization, including (but not limited to) continuous, discrete, stochastic, and applied optimization.

All papers accepted to the refereed proceedings were highlighted on the IOS website at https://ios2026.isye.gatech.edu/refereed-proceedings. Furthermore, papers submitted to the refereed proceedings also received an invitation to submit their work to a special issue of the INFORMS Journal on Optimization (IJOO) for an expedited review process, following the IJOO Conference Proceedings Policy.