Niels Erik Nørlund
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Niels Erik Nørlund ForMemRS (26 October 1885, in Slagelse – 4 July 1981, in Copenhagen) was a Danish mathematician.
His book Vorlesungen über Differenzenrechnung (1924, reprinted 1954) was the first book on complex function solutions of difference equations. His doctoral students include Georg Rasch.
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