Author

Ananya Chakraborty

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Preprint Jul 2026

Exponential Advantage of Multipartite Entanglement over Quantum Communication with Applications to Bounded-Storage Cryptography

We establish an exponential communication advantage enabled by multipartite quantum entanglement. Building on the bipartite Hidden Matching problem, we introduce a communication task involving multiple spatially separated senders and a single receiver. We show that a shared Greenberger-Horne-Zeilinger state enables com...

Ananya Chakraborty, Manik Banik, Ronald de Wolf · 1 citation

Preprint Jul 2026

On the Origin of Beyond-Classical Advantage in the Parity-Permutation Problem

We investigate the task of identifying the parity (odd vs even) of an unknown permutation applied to $n$ particles. Classically, using fewer than $n$ distinct labels per particle limits the success probability to random guessing, whereas quantum mechanics, exploiting entanglement in both preparation and measurement, ac...

Jayashree Karmakar, Biswadeep Chatterjee, Rafiuddin Gazi et al. · 0 citations