12 papers
QSimAdv: A Late-Bound, Vendor-Agnostic Architecture for High-Performance Quantum-Circuit Simulation
Shusen Liu, Pascal Jahan Elahi, Wenyun Sun +3
Portability in high-performance quantum-circuit simulation need not begin at the kernel. We present QSimAdv, which makes late binding, rather than a common kernel, the basis of ven…
Quantum walk-based optimisation for capacitated vehicle routing with homogeneous and heterogeneous fleets
Edric Matwiejew, Aidan Smith, Callum Neill +3
The capacitated vehicle routing problem (CVRP) is an appealing candidate for quantum optimisation due to its combinatorial complexity and practical importance. However, the problem…
Distributed Variational Quantum Optimisation by Entanglement-Selective Transport
Edric Matwiejew, Pascal Elahi, Ugo Varetto
Distributed quantum optimisation is challenging because computing the problem cost function across multiple quantum processors requires non-local gates, which can incur overhead in…
Continuous-time quantum walk-based ansätze on neutral atom hardware
Edric Matwiejew, Jonathan Wurtz, Jing Chen +3
Continuous-time quantum walks offer provable speedups for certain computational problems, yet translating these advantages to near-term hardware remains challenging. We realize var…
HPC-vQPU: A Service-Export Architecture for Virtual QPUs on Batch-Scheduled HPC Systems
Shusen Liu, Pascal Jahan Elahi, Ugo Varetto
Device-aware quantum simulation increasingly requires HPC-scale accelerators, yet secure supercomputers expose batch-scheduled execution environments rather than the interactive, b…
DynQ: A Dynamic Topology-Agnostic Quantum Virtual Machine via Quality-Weighted Community Detection
Shusen Liu, Pascal Jahan Elahi, Ugo Varetto
Quantum cloud platforms have scaled hardware capacity but not the abstraction exposed to users: small programs still monopolise entire processors, and existing Quantum Virtual Mach…