Subsurface 1-distance of the Handleb o dy |
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Authors: | Dongqi Sun |
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Institution: | College of Science, Harbin Engineering University, Harbin, 150001 |
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Abstract: | For a handlebody $H$ with $?H = S$, let $F ? S$ be an essential connected
subsurface of $S$. Let$\mathcal{C}(S)$ be the curve complex of $S$,$\mathcal{AC}(F)$ be the arc and curve
complex of $F$,$\mathcal{D}(H) ?\mathcal{C}(S)$ be the disk complex of $H$ and $π_F (\mathcal{D}(H)) ?\mathcal{AC}(F)$ be
the image of$\mathcal{D}(H)$ in$\mathcal{AC}(F)$. We introduce the definition of subsurface 1-distance
between the 1-simplices of $\mathcal{AC}(F)$ and show that under some hypothesis, $π_F (\mathcal{D}(H))$
comes within subsurface 1-distance at most 4 of every 1-simplex of $\mathcal{AC}(F)$. |
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Keywords: | handlebody curve complex arc and curve complex subsurface 1-distance |
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