Stable factorization for phase factors of quantum signal processing

Stable factorization for phase factors of quantum signal processing

This paper proposes a new factorization algorithm for computing the phase factors of quantum signal processing. The proposed algorithm avoids root finding of high degree polynomials by using a key step of Prony's method and is numerically stable in the double precision arithmetics. Experimental...

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Bibliographic Details
Main Author:	Lexing Ying
Format:	Article
Language:	English
Published:	Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2022-10-01
Series:	Quantum
Online Access:	https://quantum-journal.org/papers/q-2022-10-20-842/pdf/

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