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The space of closed subgroups of \(\mathbb{R}^2\) - MaRDI portal

The space of closed subgroups of \(\mathbb{R}^2\) (Q1137799)

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scientific article; zbMATH DE number 3669474
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English
The space of closed subgroups of \(\mathbb{R}^2\)
scientific article; zbMATH DE number 3669474

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    The space of closed subgroups of \(\mathbb{R}^2\) (English)
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    1979
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    space of closed subgroups of R2
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    trefoil knot
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    elliptic functions
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    Hausdorff metric
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    elliptic curve
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    space of closed subgroups of 2-space which are not Z+Z
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