3 papers
stat.ML2020
Safe Screening Rules for -Regression
Alper Atamtürk, Andrés Gómez
We give safe screening rules to eliminate variables from regression with regularization or cardinality constraint. These rules are based on guarantees that a feature may o…
math.OC2018
Accommodating new flights into an existing airline flight schedule
Ozge Safak, Alper Atamturk, Selim M. Akturk
We present two novel approaches to alter a flight network for introducing new flights while maximizing airline's profit. A key feature of the first approach is to adjust the aircra…
math.OC2018
Strong Formulations for Quadratic Optimization with M-matrices and Indicator Variables
Alper Atamturk, Andres Gomez
We study quadratic optimization with indicator variables and an M-matrix, i.e., a PSD matrix with non-positive off-diagonal entries, which arises directly in image segmentation and…