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On sums which are powers.

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  • معلومة اضافية
    • نبذة مختصرة :
      The cardinality of sets A is estimated under the conditions that every element of the sum set A+A is a power resp. powerful number (n is said to be powerful if p|n implies p2|n). Subset sums with these properties are also studied. [ABSTRACT FROM AUTHOR]
    • نبذة مختصرة :
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