"On the Second-Order Feasibility Cone: Primal-Dual Representation and Efficient Projection."

Belloni, Alexandre, and Robert M. Freund. SIAM Journal on Optimization Vol. 19, No. 3 (2008): 1073-1092. Working Paper.

"Optimizing Product Line Designs: Efficient Methods and Comparisons."

Belloni, Alexandre, Robert M. Freund, Matthew Selove, and Duncan Simester. Management Science Vol. 54, No. 9 (2008): 1544-1553. Working Paper.

"On the Symmetry Function of a Convex Set."

Belloni, Alexandre, and Robert M. Freund. Mathematical Programming Vol. 111, No. 1 (2008): 57-93. Working Paper.

"An Efficient Re-Scaled Perceptron Algorithm for Conic Systems."

Alexandre Belloni, Robert M. Freund and Santosh Vempala. In Learning Theory: 20th Annual Conference on Learning Theory, COLT 2007, San Diego, CA, USA, June 13-15, 2007, Proceedings (Lecture Notes in Computer Science / Lecture Notes in Artificial Intelligence), edited by Claudio Gentile and Nader Bshouty. Berlin, Germany: July 2007. Working Paper.

"Behavioral Measures and their Correlation with IPM Iteration Counts on Semi- Definite Programming Problems."

Freund, Robert M., Fernando Ordóñez, and Kim Chuan Toh. Mathematical Programming Vol. 109, No. 2 (2007): 445-475. Working Paper.

"On Two Measures of Problem Instance Complexity and their Correlation with the Performance of SeDuMi on Second-Order Cone Problems."

Cai, Zhi, and Robert M. Freund. Computational Optimization and Applications Vol. 34, No. 3 (2006): 299-319. Working Paper.