[Resource Topic] 2025/1945: So about that Quantum Lattice Thing: Rebuttal to "Exact Coset Sampling for Quantum Lattice Algorithms"

Welcome to the resource topic for 2025/1945

Title:
So about that Quantum Lattice Thing: Rebuttal to “Exact Coset Sampling for Quantum Lattice Algorithms”

Authors: Daniel Apon

Abstract:

In this note we identify major issues with “Exact Coset Sampling for Quantum Lattice Algorithms” by Zhang. The issues include:

• in the first version, the proposed algorithm requires foreknowledge of the answer to compute
the answer;

• in the latest version, the proposed algorithm displays basic misunderstandings of quantum
mechanics.

We believe the existence of these issues refute the author’s claims.

ePrint: https://eprint.iacr.org/2025/1945

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