crossing number

non-negative integer-valued knot invariant; least number of crossings in a knot diagram

en-US/ˈkɹɔsɪŋ ˈnʌmbɚ/
en-GB/ˈkɹɒsɪŋ ˈnʌmbə/

دسته بندی ها:

knot invariantcrossing number