The amalgamation of high distance Heegaard splittings is always efficient
The amalgamation of high distance Heegaard splittings is always efficient
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DOI:
10.1007/s00208-008-0214-7
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发表时间:
2008-02
影响因子:
1.4
通讯作者:
Tsuyoshi Kobayashi;Ruifeng Qiu
中科院分区:
文献类型:
--
作者:
Tsuyoshi Kobayashi;Ruifeng Qiu
LetMbe a compact orientable manifold, andFbe an essential closed surface which cutsMinto two 3-manifoldsM1andM2. Letbe a Heegaard splitting fori= 1, 2. We denote byd(Si) the distance of. Ifd(S1),d(S2) ≥ 2(g(M1) +g(M2) −g(F)), thenMhas a unique minimal Heegaard splitting up to isotopy, i.e. the amalgamation ofand.