orientable smooth surfaces;
Gaussian curvature;
angles of intersection;
D O I:
10.3390/math11102337
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
The Gauss-Bonnet formula finds applications in various fundamental fields. Global or local analysis on the basis of this formula is possible only in integral form since the Gauss-Bonnet formula depends on the choice of a simple region of an orientable smooth surface S. The objective of the present paper is to construct a differential relation of the metric properties concerned at a point on S. Pointwise analysis on S is possible through the differential relation, which is expected to provide new geometrical insights into existing studies where the Gauss-Bonnet formula is applied in integral form.
机构:
Univ Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, EnglandUniv Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, England
Giblin, Peter
Reeve, Graham
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机构:
Liverpool Hope Univ, Dept Math & Comp Sci, Liverpool L16 9JD, Merseyside, EnglandUniv Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, England
Reeve, Graham
Uribe-Vargas, Ricardo
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机构:
Univ Bourgogne Franche Comte, CNRS, UMR 5584, Inst Math Bourgogne, F-21000 Dijon, FranceUniv Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, England
机构:
Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China
South Cent Univ Nationalities, Sch Math & Stat, Wuhan 430074, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China
Yin, Hong Yan
Zhou, Da
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机构:
Xiamen Univ, Sch Math Sci, Xiamen 361005, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China
Zhou, Da
Zhang, Xing An
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h-index: 0
机构:
Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R China
机构:
Univ Autonoma Barcelona, Fac Ciencies, Dept Matemat, Barcelona 08193, Catalonia, SpainUniv Autonoma Barcelona, Fac Ciencies, Dept Matemat, Barcelona 08193, Catalonia, Spain
Llibre, Jaume
Paulina Martinez, Y.
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h-index: 0
机构:
Ctr Recerca Matemat, Barcelona 08193, Catalonia, SpainUniv Autonoma Barcelona, Fac Ciencies, Dept Matemat, Barcelona 08193, Catalonia, Spain