Crosscap Numbers of Two-component Links

نویسنده

  • GENGYU ZHANG
چکیده

We define the crosscap number of a 2-component link as the minimum of the first Betti numbers of connected, nonorientable surfaces bounding the link. We discuss some properties of the crosscap numbers of 2-component links.

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تاریخ انتشار 2006