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quant-ph2025

Demonstrating Quantum Scaling Advantage in Approximate Optimization for Energy Coalition Formation with 100+ Agents

Naeimeh Mohseni, Thomas Morstyn, Corey O'Meara +3

The formation of energy communities is pivotal for advancing decentralized and sustainable energy management. Within this context, Coalition Structure Generation (CSG) emerges as a…

quant-ph2025

Evaluating Variational Quantum Circuit Architectures for Distributed Quantum Computing

Leo Sünkel, Jonas Stein, Jonas Nüßlein +2

Scaling quantum computers, i.e., quantum processing units (QPUs) to enable the execution of large quantum circuits is a major challenge, especially for applications that should pro…

quant-ph2025

The Questionable Influence of Entanglement in Quantum Optimisation Algorithms

Tobias Rohe, Daniëlle Schuman, Jonas Nüßlein +3

The performance of the Variational Quantum Eigensolver (VQE) is promising compared to other quantum algorithms, but also depends significantly on the appropriate design of the unde…

quant-ph2025

Multi-Agent Quantum Reinforcement Learning using Evolutionary Optimization

Michael Kölle, Felix Topp, Thomy Phan +3

Multi-Agent Reinforcement Learning is becoming increasingly more important in times of autonomous driving and other smart industrial applications. Simultaneously a promising new ap…

quant-ph2024

Reducing QUBO Density by Factoring Out Semi-Symmetries

Jonas Nüßlein, Leo Sünkel, Jonas Stein +6

Quantum Approximate Optimization Algorithm (QAOA) and Quantum Annealing are prominent approaches for solving combinatorial optimization problems, such as those formulated as Quadra…

quant-ph2024

Reducing QAOA Circuit Depth by Factoring out Semi-Symmetries

Jonas Nüßlein, Leo Sünkel, Jonas Stein +4

QAOA is a quantum algorithm for solving combinatorial optimization problems. It is capable of searching for the minimizing solution vector of a QUBO problem . The number…