摘要
In the present paper, we characterize the bordered 3-manifolds with genus 1 D-splittings and SD-splittings. We also describe a minimal genus SD-splitting for a handlebody and surface × I.
In the present paper, we characterize the bordered 3-manifolds with genus 1 D-splittings and SD-splittings. We also describe a minimal genus SD-splitting for a handlebody and surface × I.
基金
Work supported in part by a grant (No.10171024) of NSFC
a grant of the Outstanding Youth Fellowship of Heilongjiang Province
