A homological characterization of surface coverings

Let f:X\to Y be a covering of closed oriented surfaces. Then f induces a homomorphism f_{*} :H_{1} (X,\mathbf{Z})\to H_{1} (Y,\mathbf{Z}) of the first homology groups. We consider the converse and characterize—in terms of matrices—the abstractly given homomorphisms of the first homology groups which...

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Veröffentlicht in:Proceedings of the Japan Academy. Series A. Mathematical sciences 2008-11, Vol.84 (9), p.170-173
1. Verfasser: Tanabe, Masaharu
Format: Artikel
Sprache:eng
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Zusammenfassung:Let f:X\to Y be a covering of closed oriented surfaces. Then f induces a homomorphism f_{*} :H_{1} (X,\mathbf{Z})\to H_{1} (Y,\mathbf{Z}) of the first homology groups. We consider the converse and characterize—in terms of matrices—the abstractly given homomorphisms of the first homology groups which can be induced by coverings of prime degree. We also classify the induced homomorphisms in these cases.
ISSN:0386-2194
DOI:10.3792/pjaa.84.170