Can quantum technology speed up computation in large-scale computer networks? Are there some tasks that can be solved faster in distributed systems if we make use of quantum computers and quantum communication? This kind of fundamental questions are still largely open research problems, and only little is known about the limits of quantum computation. However, there are some clear limits that even quantum-based systems cannot exceed. The key limitation is causality: even if we make use of quantum computers, it is not possible to communicate faster than the speed of light. In this project we study how causality limits computation in large distributed systems, and this way also understand the limits of quantum technology.

2024

2026