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- W2017694782 abstract "ABSTRAcr. Some graph-theoretical tools are used to introduce the concept of i (M.), for every closed n-dimensional PL-manifold M.. Then it is proved that the regular genus of every surface equals its genus, and that the regular genus of every 3-manifold M3 equals its Heegaard genus, if M3 is orientable, and twice its Heegaard genus, if M3 is nonorientable. A geometric approach, and some applications in dimension four are exhibited." @default.
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- W2017694782 date "1981-03-01" @default.
- W2017694782 modified "2023-10-11" @default.
- W2017694782 title "Extending the concept of genus to dimension $n$" @default.
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- W2017694782 doi "https://doi.org/10.1090/s0002-9939-1981-0597666-0" @default.
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