2 papers
math.GT2014
Rectangular Seifert circles and arcs system
Tatsuo Ando, Chuichiro Hayashi, Miwa Hayashi
Rectangular diagrams of links are link diagrams in the plane such that they are composed of vertical line segments and horizontal line segments and vertical segment…
math.GT2014
Realizing Exterior Cromwell moves on rectangular diagrams by Reidemeister moves
Tatsuo Ando, Chuichiro Hayashi, Yuki Nishikawa
If a rectangular diagram represents the trivial knot, then it can be deformed into the trivial rectangular diagram with only four edges by a finite sequence of merge operations and…