GKW may refer to:
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Gauss–Kuzmin–Wirsing operator In mathematics, the Gauss–Kuzmin–Wirsing operator is the transfer operator of the Gauss map that takes a positive number to the fractional part of its reciprocal. (This is not the same as the Gauss map in differential geometry.) It is named aft ...
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Greenock West railway station, in Scotland
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Guest Keen Williams, an Indian engineering firm
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