18-702s11.jpg
Description:
A disc of radius r about the four vertices of this rectangle, and a disc of radius r/2 about the three half lattice points. Image by Prof. Artin.
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18-702s11.jpg
Alt text:
Interiors of disks cover the rectangle.
Caption:
A disc of radius r about the four vertices of this rectangle, and a disc of radius r/2 about the three half lattice points. (Image by Prof. Artin.)
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