EURO 2025 Leeds
Abstract Submission

304. Non-Standard Benders Decomposition for the Multiple Knapsack Assignment Problem

Invited abstract in session MC-15: Relaxation and Decomposition, stream Combinatorial Optimization.

Monday, 12:30-14:00
Room: Esther Simpson 1.08

Authors (first author is the speaker)

1. Adam Letchford
Department of Management Science, Lancaster University
2. Laura Galli
Mathematics, Alma Mater Studiorum Università di Bologna

Abstract

The Multiple Knapsack Assignment Problem (MKAP) is a strongly NP-hard combinatorial optimisation problem, with several practical applications. We present a new exact algorithm for the MKAP, based on Benders decomposition. For reasons which will become clear, we use a non-standard decomposition strategy, together with specialised feasibility cuts and a primal heuristic. Our preliminary computational results suggest that our new approach works very well when the number of knapsacks is relatively large.

Keywords

Status: accepted


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