Thinning genus two Heegaard spines in the 3-sphere
英文摘要：
We study trivalent graphs in $S^{3}$ whose closed complement is a genus two handlebody. We show that such a graph, when put in thin position, has a simple (i. e. non-loop) level edge.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
