Another proof of free ribbon lemma
Akio Kawauchi
TL;DR
This paper provides an alternative proof of the free ribbon lemma, which states that every free sphere-link in the 4-sphere is a ribbon sphere-link, contributing to the understanding of sphere-link properties in topology.
Contribution
The paper offers a new proof of the free ribbon lemma, enhancing the theoretical framework in the study of sphere-links in 4-dimensional topology.
Findings
Confirmed the free ribbon lemma through an alternative proof
Reinforced the understanding of free sphere-links in 4-sphere
Provided a different approach to a known topological result
Abstract
Free ribbon lemma that every free sphere-link in the 4-sphere is a ribbon sphere-link is shown in an earlier paper by the author. In this paper, another proof of this lemma is given.
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Taxonomy
TopicsAdvanced Topology and Set Theory · Limits and Structures in Graph Theory · Mathematical Dynamics and Fractals