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Compressed sensing

Suppose x is an unknown vector in Ropfm (a digital image or signal); we plan to measure n general linear functionals of x and then reconstruct. If x is known to be compressible ...

2004 17126 citations

Endogenous Technological Change

Growth in this model is driven by technological change that arises from intentional investment decisions made by profit-maximizing agents. The distinguishing feature of the tech...

1990 Journal of Political Economy 15024 citations