Topological classification of unknotted ring defects

Hiizu Nakanishi, Kiyoshi Hayashi, Hiroyuki Mori

Research output: Contribution to journalArticle

24 Citations (Scopus)


Unknotted ring defects in ordered media are classified in terms of the homotopy theory. It is also investigated what type of point defects will appear when a radius of the ring defect tends to zero.

Original languageEnglish
Pages (from-to)203-213
Number of pages11
JournalCommunications in Mathematical Physics
Issue number2
Publication statusPublished - Jun 1 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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