TY - JOUR
T1 - A Frank-Wolfe algorithm for strongly monotone variational inequalities
AU - Rahimi Baghbadorani, Reza
AU - Mohajerin Esfahani, Peyman
AU - Grammatico, Sergio
PY - 2026
Y1 - 2026
N2 - We propose an accelerated algorithm with a Frank-Wolfe method as an oracle for solving strongly monotone variational inequality problems. While standard solution approaches, such as projected gradient descent (aka value iteration), involve projecting onto the desired set at each iteration, a distinctive feature of our proposed method is the use of a linear minimization oracle in each iteration. This difference potentially reduces the projection cost, a factor that can become significant for certain sets or in high-dimensional problems. We validate the performance of the proposed algorithm on the traffic assignment problem, motivated by the fact that the projection complexity per iteration increases exponentially with respect to the number of links.
AB - We propose an accelerated algorithm with a Frank-Wolfe method as an oracle for solving strongly monotone variational inequality problems. While standard solution approaches, such as projected gradient descent (aka value iteration), involve projecting onto the desired set at each iteration, a distinctive feature of our proposed method is the use of a linear minimization oracle in each iteration. This difference potentially reduces the projection cost, a factor that can become significant for certain sets or in high-dimensional problems. We validate the performance of the proposed algorithm on the traffic assignment problem, motivated by the fact that the projection complexity per iteration increases exponentially with respect to the number of links.
KW - Frank-Wolfe algorithm
KW - Linear minimization oracle
KW - Projection free methods
KW - Strongly monotone variational inequality
KW - Traffic assignment problem
UR - http://www.scopus.com/inward/record.url?scp=105021870106&partnerID=8YFLogxK
U2 - 10.1016/j.orl.2025.107388
DO - 10.1016/j.orl.2025.107388
M3 - Article
AN - SCOPUS:105021870106
SN - 0167-6377
VL - 65
JO - Operations Research Letters
JF - Operations Research Letters
M1 - 107388
ER -