Abstract
It is known that every finite group can be represented as the full group of automorphisms of a suitable compact origami. In this paper, we provide a short argument to note that the same holds for any countable group by considering origamis on the Loch Ness monster.
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The first author is partially supported by Projects Fondecyt 1230001 and 1220261. The second author was partially supported by DGAPA-UNAM Postdoctoral Fellowship of the Institute of Mathematics UNAM, campus Oaxaca.
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Hidalgo, R.A., Morales, I. Realising countable groups as automorphisms of origamis on the Loch Ness monster. Arch. Math. 120, 355–360 (2023). https://doi.org/10.1007/s00013-023-01835-4
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DOI: https://doi.org/10.1007/s00013-023-01835-4