Crosscap Numbers of Two-component Links
classification
🧮 math.GT
keywords
crosscapnumberscomponentlinklinksbettiboundingconnected
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We define the crosscap number of a 2-component link as the minimum of the first Betti numbers of connected, non-orientable surfaces bounding the link. We discuss some properties of the crosscap numbers of 2-component links.
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