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Fast One-Qubit Controlled Select Linear Combination of Unitaries

technology1 mentionslast seen Oct 8, 2026

A framework for reducing circuit-depth overhead in block encoding of matrix polynomials.

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Fast One-Qubit Controlled Select Linear Combination of Unitariesdepends onblock encoding85% confidence1 source
matrix polynomial transformationdepends onFast One-Qubit Controlled Select Linear Combination of Unitaries85% confidence1 source

Fast One-Qubit Controlled Select Linear Combination of Unitaries

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Fast One-Qubit Controlled Select Linear Combination of Unitariesdepends onblock encoding

85% confidence1 supporting mentions

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preprintarXivOct 6, 2026Practical block encodings of matrix polynomials that can also be trivially controlled
By leveraging the recently introduced Fast One-Qubit Controlled Select Linear Combination of Unitaries (FOQCS-LCU) framework, we show that the additional circuit-depth overhead required for encoding matrix polynomials can be reduced