Properties of minimal charts and their applications II
Teruo Nagase and Akiko Shima
Source: Hiroshima Math. J. Volume 39, Number 1 (2009), 1-36.
Abstract
Let $\Gamma$ be a minimal chart with exactly seven white vertices. In this paper, we show that $\Gamma$ is a chart of type $(7),(5,2),(4,3),(3,2,2)$ or $(2,3,2)$ if necessary we change the labels. We investigate minimal charts with loops or lenses.
Primary Subjects: 57Q45
Secondary Subjects: 57Q35
Keywords: 2-knot; chart; white vertex
Full-text: Open access
Links and Identifiers
Hiroshima Mathematical Journal