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Quantum key distribution (QKD) has been researched for almost four decades and is currently making its way to commercial applications. However, deployment of the technology at scale is challenging, because of the very particular nature of…

Quantum Physics · Physics 2023-02-08 Thomas Loruenser , Stephan Krenn , Christoph Pacher , Bernhard Schrenk

Multi-tenant cloud computing provides great benefits in terms of resource sharing, elastic pricing, and scalability, however, it also changes the security landscape and introduces the need for strong isolation between the tenants, also…

Cryptography and Security · Computer Science 2024-03-05 Kashyap Thimmaraju , Saad Hermak , Gábor Rétvári , Stefan Schmid

The increasing complexity of hardware and software requires advanced development and test methodologies for modern systems on chips. This paper presents a novel approach to ARM-on-ARM virtualization within SystemC-based simulators using…

Software Engineering · Computer Science 2025-06-25 Nils Bosbach , Rebecca Pelke , Niko Zurstraßen , Jan Henrik Weinstock , Lukas Jünger , Rainer Leupers

Current, near-term quantum devices have shown great progress in recent years culminating with a demonstration of quantum supremacy. In the medium-term, however, quantum machines will need to transition to greater reliability through error…

Quantum Physics · Physics 2020-09-07 Casey Duckering , Jonathan M. Baker , David I. Schuster , Frederic T. Chong

This paper proposes a novel secure live virtual machine migration framework by using a virtual trusted platform module instance to improve the integrity of the migration process from one virtual machine to another on the same platform. The…

Cryptography and Security · Computer Science 2021-10-12 Hanif Deylami , Jairo Gutierrez , Roopak Sinha

Kernel methods serve as powerful tools to capture nonlinear patterns behind data in machine learning. The quantum kernel, integrating kernel theory with quantum computing, has attracted widespread attention. However, existing studies…

Quantum Physics · Physics 2025-05-23 Jing Li , Yanqi Song , Sujuan Qin , Fei Gao

Vision-Language Models (VLMs) achieve outstanding performance, yet their huge model size severely hinders deployment on edge devices with limited resources. As an efficient model compression technique, vector quantization (VQ) excels in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhong Wang , Zukang Xu , Xing Hu , Dawei Yang

Variational quantum algorithms (VQAs) have emerged as promising candidates for solving complex optimization and machine learning tasks on near-term quantum hardware. However, executing quantum operations remains challenging for small-scale…

Quantum Physics · Physics 2025-07-03 Matteo Inajetovic , Petros Wallden , Anna Pappa

Vortex, a newly proposed open-source GPGPU platform based on the RISC-V ISA, offers a valid alternative for GPGPU research over the broadly-used modeling platforms based on commercial GPUs. Similarly to the push originating from the RISC-V…

Hardware Architecture · Computer Science 2025-12-02 Giuseppe M. Sarda , Nimish Shah , Abubakr Nada , Debjyoti Bhattacharjee , Marian Verhelst

Read-Copy-Update (RCU) is widely used in the Linux kernel to manage concurrent access to shared data structures.However, improper synchronization when removing RCU protected hash table entries can lead to stale pointers, inconsistent…

Cryptography and Security · Computer Science 2025-11-04 Oisin O Sullivan , Colin Flanagan , Eoin O Connell

This paper introduces the Virtual Sensor Middleware (VSM), which facilitates distributed sensor data processing on multiple fog nodes. VSM uses a Virtual Sensor as the core component of the middleware. The virtual sensor concept is…

Networking and Internet Architecture · Computer Science 2022-10-20 Fadi AlMahamid , Hanan Lutfiyya , Katarina Grolinger

Virtualization technology and cloud computing have brought a paradigm shift in the way we utilize, deploy and manage computer resources. They allow fast deployment of multiple operating system as containers on physical ma- chines which can…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-10-30 Omer Khalid , Arsalaan Sheikh , Brice Copy

We introduce the real-time multi-technology transport layer monitoring to facilitate the coordinated virtualisation of optical and Ethernet networks supported by optical virtualise-able transceivers (V-BVT). A monitoring and network…

Networking and Internet Architecture · Computer Science 2018-04-04 Yanni Ou , Matthew Davis , Alejandro Aguado , Fanchao Meng , Reza Nejabati , Dimitra Simeonidou

The emergence of a new, open, and free instruction set architecture, RISC-V, has heralded a new era in microprocessor architectures. Starting with low-power, low-performance prototypes, the RISC-V community has a good chance of moving…

Performance · Computer Science 2023-09-06 Valentin Volokitin , Evgeny Kozinov , Valentina Kustikova , Alexey Liniov , Iosif Meyerov

Real-time embedded platforms with resource constraints can take the benefits of mixed-criticality system where applications with different criticality-level share computational resources, with isolation in the temporal and spatial domain. A…

Systems and Control · Electrical Eng. & Systems 2022-08-31 Shibarchi Majumder , Jens Frederik Dalsgaard Nielsen , Thomas Bak

Hybridizing different degrees of freedom or physical platforms potentially offers various advantages in building scalable quantum architectures. We here introduce a fault-tolerant hybrid quantum computation by taking the advantages of both…

Quantum Physics · Physics 2025-03-19 Jaehak Lee , Nuri Kang , Seok-Hyung Lee , Hyunseok Jeong , Liang Jiang , Seung-Woo Lee

We present a method to improve the convergence of variational algorithms based on hidden inverses to mitigate coherent errors. In the context of error mitigation, this means replacing the on hardware implementation of certain Hermitian…

Quantum Physics · Physics 2022-04-27 Vicente Leyton-Ortega , Swarnadeep Majumder , Raphael C. Pooser

Interactive theorem proving software is typically designed around a trusted proof-checking kernel, the sole system component capable of authenticating theorems. Untrusted automation procedures reside outside of the kernel, and drive it to…

Cryptography and Security · Computer Science 2022-05-09 Dominic P. Mulligan , Nick Spinale

Designing a practical Continuous Variable (CV) Quantum Key Distribution (QKD) system requires an estimation of the quantum channel characteristics and the extraction of secure key bits based on a large number of distributed quantum signals.…

Quantum Physics · Physics 2025-09-09 Xiaoyu Ai , Robert Malaney

The sustained popularity of the cloud and cloud-related services accelerate the evolution of virtualization-enabling technologies. Modern off-the-shelf computers are already equipped with specialized hardware that enables a hypervisor to…

Software Engineering · Computer Science 2014-05-23 Francesco Gadaleta , Nick Nikiforakis , Jan Tobias Muhlberg , Wouter Joosen