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Search: id:A125705
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| A125705 |
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Genera g such that every orientation-preserving periodic automorphism of the closed orientable surface of genus g has an invariant circle. |
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+0
1
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| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 27, 28, 30, 32, 35, 39, 42, 43, 44, 45, 48, 49, 50, 51, 60, 65, 66, 72, 73, 87, 90, 105
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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There are no other g with g<=10000.
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REFERENCES
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H. Geiges & D. Rattaggi, Periodic Automorphisms of Surfaces: Invariant Circles and Maximal Orders, Experimental Mathematics, vol. 9 (2000).
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CROSSREFS
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Sequence in context: A072226 A074402 A094270 this_sequence A154314 A005524 A082918
Adjacent sequences: A125702 A125703 A125704 this_sequence A125706 A125707 A125708
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KEYWORD
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nonn,nice
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AUTHOR
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Alex Fink (000024(AT)gmail.com), Jan 31 2007
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