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Generalized Hopfian Property, a Minimal Haken Manifold, and Epimorphisms Between 3-Manifold Groups

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摘要 <正> Weaddressthequestionthatifπ1-surjectivemapsbetweenclosedaspherical3-manifoldshavethesamerankonπ1theymustbeofnon-zerodegree.ThepositiveanswerisprovedforSeifertmanifolds,whichisusedinconstructingthefirstknownexampleofminimalHakenmanifold.Anothermotivationistostudyepimorphismsof3-manifoldgroupsviamapsofnon-zerodegreebetween3-manifolds.Manyexamplesaregiven.

DOI 2d39pnqgd9/1532019

作者 REID Alan W

机构地区不详

出处《数学学报：英文版》 2002年1期

关键词 Non-zero degree MAPS Epimorphisms 3-Manifolds

分类 [理学][基础数学]

出版日期 2002年01月11日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）

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数学学报：英文版

数学学报：英文版

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Non-zero degree MAPS Epimorphisms 3-Manifolds

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