Hubbard-Stratonovich transformation 2

The Hubbard-Stratonovich (HS) transformation is an exact mathematical transformation invented by Russian physicist Ruslan L. Stratonovich and popularized by British physicist John Hubbard.

— Wikipedia on Hubbard-Stratonovich transformation

2009.12.21 Monday ACHK

The Magic City

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The second theme is concerned explicitly with technology. It is a law of life in the magic city that if you wish for anything you can have it. But with this law goes a special rule about machines. If anyone wishes for a piece of machinery, he is compelled to keep it and go on using it for the rest of his life.

— Disturbing the Universe, p.4

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2009.12.21 Monday ACHK