Homotopy classification of nanophrases with at most four letters

Tom 214 / 2011

Tomonori Fukunaga Fundamenta Mathematicae 214 (2011), 101-118 MSC: Primary 57M27; Secondary 55P99. DOI: 10.4064/fm214-2-1

Streszczenie

We give a homotopy classification of nanophrases with at most four letters. It is an extension of the classification of nanophrases of length 2 with at most four letters, given by the author in a previous paper. As a corollary, we give a stable classification of ordered, pointed, oriented multi-component curves on surfaces with minimal crossing number less than or equal to 2 such that any equivalent curve has no simply closed curves in its components.

Autorzy

  • Tomonori FukunagaDepartment of Mathematics
    Hokkaido University
    Sapporo 060-0810, Japan
    e-mail

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