Author

B. Dey

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Preprint Aug 2026

Authentication over Arbitrarily Varying Channels with Causal Adversaries

It is proved that the authentication capacity is positive exactly when the channel is not distribution-overwritable under stochastic encoding, and not I-overwritable under deterministic encoding.

Mayank Bakshi, V. Prabhakaran, B. Dey et al. · 0 citations