Yi Wang

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20232026

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math.GT2024

On the homotopy type of the space of fiberings of $S^{1} \times S^{2}$ by simple closed curves

Yi Wang, Jingye Yang

For most aspherical Seifert-fibered 3-manifolds $M$ , the space of Seifert fiberings $S F (M)$ is known to have contractible components. It is also known that the space of Hopf fiberi…

math.GT2024

Limiting characters at ideal points detecting twice-punctured tori

Yi Wang

The limiting character, introduced by Tillmann, has been studied recently in the context of Culler-Shalen theory. We extend the methods of the author's previous work to show that c…

On the homotopy type of the space of fiberings of S1×S2 by simple closed curves

Limiting characters at ideal points detecting twice-punctured tori

On the homotopy type of the space of fiberings of $S^{1} \times S^{2}$ by simple closed curves