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Sums and products with smooth numbers |
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| Authors: | William D. Banks |
| Affiliation: | Department of Mathematics, University of Missouri, Columbia, MO 65211, USA |
| Abstract: | We estimate the sizes of the sumset A+A and the productset A⋅A in the special case that A=S(x,y), the set of positive integers n?x free of prime factors exceeding y. |
| Keywords: | 11B75 11N25 |
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