Open Access

Sums and products of intervals in ordered groups and fields

 and   
Aug 26, 2021

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We show that the sum of two intervals in an ordered dense Abelian group is also an interval such that the endpoints of the sum are equal to the sums of the endpoints. We prove analogous statements concerning to the product of two intervals.

Language:
English
Publication timeframe:
2 times per year
Journal Subjects:
Mathematics, General Mathematics