Author

Leandro Aolita

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Preprint Oct 2026

Robustness of Quantum Signal Processing and Resource-aware Polynomial Design

Quantum signal processing (QSP) realizes operator functions through polynomial transformations of a finite degree. In addition to function approximation errors, realistic implementations incur algorithmic errors also when encoding the input operator and in synthesizing gates into a discrete fault-tolerant gate set. We...

Thiago O. Maciel, Giancarlo Camilo, Allan D. C. Tosta et al. · 0 citations

Preprint Aug 2026

Exponential logical-error reduction in quantum memories via optimal syndrome-measurement timing

Syndrome-measurement timing is usually treated as a fixed clock cycle of a quantum error-correcting code. For quantum memories, however, the inter-round interval is itself an optimizable control parameter: measuring too rarely allows idling errors to accumulate, whereas measuring too often introduces measurement-induce...

Tobias Haug, Kishor Bharti, Leandro Aolita · 0 citations

Preprint Jul 2026

Machine-learned syndrome post-selection for reliable quantum error correction

Quantum error correction can be enhanced by post-selecting out runs that are likely to produce a logical failure, but the most accurate measures for that require costly decoder-level information. We introduce a practical, decoder-agnostic post-selection method that learns directly from syndrome data. The method trains...

Tobias Haug, Askery Canabarro, Leandro Aolita · 1 citation