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Projector augmented-wave method

An approach for electronic structure calculations is described that generalizes both the pseudopotential method and the linear augmented-plane-wave (LAPW) method in a natural wa...

1994 Physical review. B, Condensed matter 85109 citations

A Mathematical Theory of Communication

The recent development of various methods of modulation such as PCM and PPM which exchange bandwidth for signal-to-noise ratio has intensified the interest in a general theory o...

1948 Bell System Technical Journal 77125 citations