A deep reinforcement learning hyperheuristic for the covering tour problem with varying coverage. - Torabi, Parisa; Hemmati, Ahmad; Oleynik, Anna; Alendal, Guttorm (Comput. Oper. Res., 2025)

Solving a pickup and delivery routing problem for fourth-party logistics providers. - Johannessen, Preben Bucher; Hemmati, Ahmad; Moshref-Javadi, Mohammad (Int. Trans. Oper. Res., 2024)

Enabling same-day delivery using a drone resupply model with transshipment points. - Moshref-Javadi, Mohammad; Cauwenberghe, Kristof P. Van; McCunney, Brent A.; Hemmati, Ahmad (Comput. Manag. Sci., 2023)

An ALNS-based matheuristic algorithm for a multi-product many-to-many maritime inventory routing problem. - Heidari, Nooshin; Hemmati, Ahmad (Comput. Manag. Sci., 2023)

Estimating energy consumption and charging duration of electric vehicle in multigraph. - Karimpour, Asal; Setak, Mostafa; Hemmati, Ahmad (Comput. Oper. Res., 2023)

A general deep reinforcement learning hyperheuristic framework for solving combinatorial optimization problems. - Kallestad, Jakob; Hasibi, Ramin; Hemmati, Ahmad; Sörensen, Kenneth (Eur. J. Oper. Res., 2023)

A comparative analysis of synchronized truck-and-drone delivery models. - Moshref-Javadi, Mohammad; Hemmati, Ahmad; Winkenbach, Matthias (Comput. Ind. Eng., 2021)

Evaluating the importance of randomization in adaptive large neighborhood search. - Hemmati, Ahmad; Hvattum, Lars Magnus (Int. Trans. Oper. Res., 2017)

An iterative two-phase hybrid matheuristic for a multi-product short sea inventory-routing problem. - Hemmati, Ahmad; Hvattum, Lars Magnus; Christiansen, Marielle; Laporte, Gilbert (Eur. J. Oper. Res., 2016)

An effective heuristic for solving a combined cargo and inventory routing problem in tramp shipping. - Hemmati, Ahmad; Stålhane, Magnus; Hvattum, Lars Magnus; Andersson, Henrik (Comput. Oper. Res., 2015)

Benchmark Suite for Industrial and Tramp Ship Routing and Scheduling Problems. - Hemmati, Ahmad; Hvattum, Lars Magnus; Fagerholt, Kjetil; Norstad, Inge (INFOR Inf. Syst. Oper. Res., 2014)

A simulated annealing algorithm for routing problems with fuzzy constrains. - Zarandi, Mohammad Hossein Fazel; Hemmati, Ahmad; Davari, Soheil; Türksen, I. Burhan (J. Intell. Fuzzy Syst., 2014)

Capacitated location-routing problem with time windows under uncertainty. - Zarandi, Mohammad Hossein Fazel; Hemmati, Ahmad; Davari, Soheil; Türksen, I. Burhan (Knowl. Based Syst., 2013)

The multi-depot capacitated location-routing problem with fuzzy travel times. - Zarandi, Mohammad Hossein Fazel; Hemmati, Ahmad; Davari, Soheil (Expert Syst. Appl., 2011)

Maximal covering location problem (MCLP) with fuzzy travel times. - Davari, Soheil; Zarandi, Mohammad Hossein Fazel; Hemmati, Ahmad (Expert Syst. Appl., 2011)

The variable radius covering problem with fuzzy travel times. - Davari, Soheil; Zarandi, Mohammad Hossein Fazel; Hemmati, Ahmad; Türksen, I. Burhan (2010)