Researchers have successfully used a quantum algorithm to solve a complex century-old mathematical problem long considered ...

Researchers have solved one aspect of the discrete logarithm problem. This is considered to be one of the 'holy grails' of algorithmic number theory, on which the security of many cryptographic ...

This is a preview. Log in through your library . Abstract The discrete Fourier-cosine transform (cos-DFT), the discrete Fourier-sine transform (sin-DFT) and the discrete cosine transform (DCT) are ...

This is a preview. Log in through your library . Abstract A digital computer is generally believed to be an efficient universal computing device; that is, it is believed to be able to simulate any ...