Research establishes exact packet polynomial for derivative-order ladders, suggesting new recovery methods.
This paper establishes that derivative-order ladders are governed by an exact packet polynomial and provides a full Laurent hierarchy that encodes all orders of the asymptotic expansion. It develops universal higher-difference fingerprints and proves that a finite jet determines the packet exactly. These results yield all-orders asymptotic fingerprints and exact packet recovery for derivative-order ladders.
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Mohammad Abu-Ghuwaleh (2026) studied this question.
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