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About this paper
Jun Inoue
A quantum process calculus named DH-CCS utilizes nominal Deutsch-Hayden (DH) descriptors for state representation to achieve spatial compositionality in distributed quantum computing. This framework enables modular reasoning for quantum systems, allowing independent evolution of subprocesses while preserving global entanglement information, and offers a unified semantic treatment for qubit ownership transfer.
Key insights
- Deutsch-Hayden descriptors provide a modular quantum state representation that can compress and maintain evolution history, overcoming the limitations of density matrices regarding information loss during partitioning.
- Spatial compositionality allows for the independent evolution of subprocesses in a distributed quantum system, enabling modular reasoning without continuous global state synchronization.
- Key quantum resource management operations can be semantically unified as fundamental transfers of qubit ownership across system or process boundaries, simplifying the calculus's conceptual framework.
Summary by alphaXiv.
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