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cs.AI2026
TwinCheck: Evidence-Grounded Negative-Twin Verification for Stateful Tool Agents
Jiaxuan Dai, Tianyi Huang
A single locally plausible tool call can derail an otherwise successful agent trajectory. Suspicion alone does not justify intervention, because the replacement itself can introduc…
quant-ph2026
On the local equivalence of trapped-ion two-qudit gates
Nikita V. Semenin, Pavel A. Kamenskikh, Ilia V. Zalivako +2
We derive a necessary condition of the local equivalence between two-qudit gates in terms of singular values of transformed gate matrices. This condition is valid for arbitrary qud…