A Class of Planar Surfaces in Surface×I |
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作者姓名: | 雷逢春 高大新 张影 |
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作者单位: | LEI Feng chun (Department of Mathematics,Jilin University,Changchun,130023) GAO Da xin (The Second Aeronaugical Institute of Airforce,Changchun,130022)ZHANG Ying (Department of Mathematics,Jilin University,Changchun,130023) |
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基金项目: | TheNSF(1 960 1 0 1 9)ofChinaandMorningsideCenterofMathematics,ChineseAcademyofSciences |
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摘 要: | Werestrictourconsiderationtoorientableandcompactcategory .Fordefinitionsandterminology ,seeforexample ,[1 ]and [2 ]. LetSbeaclosedorientablesurfacewithpositivegenus .Inthispaper ,MalwaysdenotesS×I ,andS0 =S× 0 ,S1=S× 1 .AnannulusAinMwithitstwoboundarieslyinginS0andS1r…
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