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math.OC2026
An Integer Programming Approach to Compute Lower Bounds for Ramsey Numbers Using Circulant Graphs
Stefano Coniglio, Fabio Furini, Ivana Ljubić +3
The Ramsey number is the smallest order at which every red-blue edge coloring of a complete graph must contain a blue clique (a complete subgraph) of size or a red cli…
math.OC2024
Reinforcement Learning Approaches for the Orienteering Problem with Stochastic and Dynamic Release Dates
Yuanyuan Li, Claudia Archetti, Ivana Ljubic
In this paper, we study a sequential decision-making problem faced by e-commerce carriers related to when to send out a vehicle from the central depot to serve customer requests, a…