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Licensed Unlicensed Requires Authentication Published by De Gruyter August 14, 2006

A bound for the 3-part of class numbers of quadratic fields by means of the square sieve

Lillian B Pierce EMAIL logo
From the journal


We prove a nontrivial bound of O(|D|27/56+ε) for the 3-part of the class number of a quadratic field ℚ(√D) by using a variant of the square sieve and the q-analogue of van der Corput's method to count the number of squares of the form 4x3dz2 for a square-free positive integer d and bounded x, z.

(Communicated by Peter Sarnak)

Received: 2004-07-19
Published Online: 2006-08-14
Published in Print: 2006-07-01

© Walter de Gruyter

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