3 papers
math.OC2026
A Two-Stage Stochastic Optimization Model for the Equitable Deployment of Fixed and Mobile Electric Vehicle Charging Stations
Hamid Najafzad, Moddassir Khan Nayeem, Fuhad Ahmed Opu +2
A major barrier to wide adoption of Electric Vehicles (EVs) is the absence of reliable and equitable charging infrastructure. Poorly located charging stations create coverage gaps…
math.OC2025
A Finite Dominating Set Approach for the Multi-Item Multi-Period Order Allocation Problem under All-Unit Quantity Discounts and Blending Ratios
Fuhad Ahmed Opu, Moddassir Khan Nayeem, Hamid Najafzad +1
This study addresses the multi-item multi-period order allocation problem under all-unit quantity discounts (AUQD) and blending ratios. A manufacturer makes a single product that r…
math.OC2025
Finite dominating sets for the refueling station location problem in fleet operations
Moddassir Khan Nayeem, Fuhad Ahmed Opu, Omar Abbaas +1
This study considers a set of routes used by public transportation vehicles and dedicated distribution fleets in a general network. We aim to optimally locate alternative fuel refu…