Quantum convolution and quantum correlation algorithms are physically impossible

Details Quantum convolution and quantum correlation algorithms are physically impossible Quantum convolution and quantum correlation algorithms are physically impossible

2003-09-08

arxiv.org/abs/quant-ph/0309070v2

Physics

Quantum Physics

10 pages. Added reference to similar work, and fixed two typos from DCT to DFT

Scientific paper

The key step in classical convolution and correlation algorithms, the componentwise multiplication of vectors after initial Fourier Transforms, is shown to be physically impossible to do on quantum states. Then this is used to show that computing the convolution or correlation of quantum state coefficients violates quantum mechanics, making convolution and correlation of quantum coefficients physically impossible.

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