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quant-ph2018★ 25 cited
Optimal quantum-programmable projective measurement with linear optics
Ulysse Chabaud, Eleni Diamanti, Damian Markham +2
We present a scheme for a universal device which can be programmed by quantum states to approximate a chosen projective measurement to a given precision. Our scheme can be viewed a…
math.CO2018
On the permanent of Sylvester-Hadamard matrices
Ulysse Chabaud
We prove a conjecture due to Wanless about the permanent of Hadamard matrices in the particular case of Sylvester-Hadamard matrices. Namely we show that for all n greater or equal…