2010
DOI: 10.1016/j.topol.2010.01.013
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The self-amalgamation of high distance Heegaard splittings is always efficient

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Cited by 17 publications
(6 citation statements)
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“…First let us review some notions about Heegaard splittings. (2) there is at least one compressing or ∂-compressing disk on each side of F .…”
Section: Preliminariesmentioning
confidence: 99%
See 2 more Smart Citations
“…First let us review some notions about Heegaard splittings. (2) there is at least one compressing or ∂-compressing disk on each side of F .…”
Section: Preliminariesmentioning
confidence: 99%
“…By the construction of self-amalgamation of Heegaard splitting, we have g(M f ) ≤ g(M, ∂M ) + 1. So a natural and interesting question is: In [2], Du and Qiu proved that when M is sufficiently complicated, the equality holds. In [3], Guo and Zou proved that when M is irreducible and ∂-irreducible, and satisfies some conditions, and if the gluing map is sufficiently complicated, the equality holds.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Lemma 2.1 (see [4,19]) Let M = V ∪ S W be a Heegaard splitting, and F be an incompressible surface in M . Then either F can be isotoped to be disjoint from S or d(S) ≤ 2 − χ(F ).…”
Section: Preliminarymentioning
confidence: 99%
“…There are some differences from [13], because in [13], Q is closed. In fact, the condition d(P ) ≥ 5 can be deleted (see [4]). The argument in [13] contains this result.…”
Section: Lemma 22 Letmentioning
confidence: 99%