Author

H. Nishimura

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Preprint Oct 2026

Concrete Functions in Private Simultaneous Quantum Messages: Quantum Advantages and Structural Limitations

This work constructs a perfectly correct and perfectly private one-shot protocol for k-bit AND using one qudit of dimension at most $k$ per player, and hence at most $k\log_2 k$ qubits in total, and gives a strict quantum communication advantage.

H. Nishimura · 0 citations