We prove some graph-theoretical propositions and apply them to a characterization of punctured n-spheres with h boundary components, as the manifolds with vanishing regular genus and hole number equal to h.
A characterization of punctured n-spheres / M., Ferri; Gagliardi, Carlo. - In: YOKOHAMA MATHEMATICAL JOURNAL. - ISSN 0044-0523. - STAMPA. - 33:(1985), pp. 29-38.
A characterization of punctured n-spheres
GAGLIARDI, Carlo
1985
Abstract
We prove some graph-theoretical propositions and apply them to a characterization of punctured n-spheres with h boundary components, as the manifolds with vanishing regular genus and hole number equal to h.
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