File:Dickson hyperbola9.svg
Summary
| Description |
English: By Dickson's lemma, every set of non-negative integer points has a finite subset of minimal points. In this example, the set of points above a hyperbola, {x,y | xy ≥ 9}, has five minimal points, shown in red. |
| Date | |
| Source | Own work |
| Author | David Eppstein |
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