TRIANGLES

作品数：58被引量：69H指数：4
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Proper Holomorphic Mappings Between n-generalized Hartogs Triangles
《Acta Mathematica Sinica,English Series》2022年第6期1002-1014,共13页Feng RONG Shuo ZHANG 
supported by the National Natural Science Foundation of China(Grant No.11871333)。
In this paper,we first introduce the notion of n-generalized Hartogs triangles.Then,we characterize proper holomorphic mappings between some of these domains,and describe their automorphism groups.
关键词：Proper holomorphic mapping generalized Hartogs triangle automorphism group 
On Quasiconformal Mappings Between Hyperbolic Triangles
《Chinese Quarterly Journal of Mathematics》2021年第4期405-414,共10页ZHAO Lei 
Partially Supported by NSFC(Grant No.12071047);Fundamental Research Funds for the Central Universities(Grant No.500421126).
Quasiconformal mappings between hyperbolic triangles are considered.We give an explicit estimate of the dilation of the quasiconformal mappings,which generalizes Bishop's results.
关键词：Hyperbolic triangle Quasiconformal mapping Affine transformation 
Construction Method of Shape Adjustable Bézier Triangles被引量：3
《Chinese Journal of Electronics》2019年第3期610-617,共8页YAN Lanlan 
supported by the National Natural Science Foundation of China(No.11261003,No.11761008);the Natural Science Foundation of Jiangxi Province,China(No.20161BAB211028);the Science and Technology Project of Jiangxi Provincial Education Department,China(No.GJJ160558)
Aiming at the drawback that the shape of Bézier triangles is fixed with respect to the control points,some blending functions with parameter and with similar properties to the bivariate Bernstein polynomials are pres...
关键词：B′ezier TRIANGLE SHAPE adjustment SHAPE PARAMETER Construction method 
Degenerate scale problem in antiplane elasticity or Laplace equation for contour shapes of triangles or quadrilaterals
《Applied Mathematics and Mechanics(English Edition)》2012年第4期525-538,共14页陈宜周 
This paper provides several solutions to the degenerate scale for the shapes of triangles or quadrilaterals in an exterior boundary value problem （BVP） of the antiplane elasticity or the Laplace equation. The Schwar...
关键词：degenerate scale conformal mapping technique shape of triangle or quadri-lateral antiplane elasticity 
A SET OF SYMMETRIC QUADRATURE RULES ON TRIANGLES AND TETRAHEDRA被引量：6
《Journal of Computational Mathematics》2009年第1期89-96,共8页Linbo Zhang Tao Cui Hui Liu 
the 973 Program under the grant 2005CB321702;China NSF under the grants 10531080 and 60873177
We present a program for computing symmetric quadrature rules on triangles and tetrahedra. A set of rules are obtained by using this program. Quadrature rules up to order 21 on triangles and up to order 14 on tetrahed...
关键词：Finite element Numerical integration QUADRATURE CUBATURE TRIANGLE Tetrahedron. 
The Classification of Proper Holomorphic Mappings Between Special Hartogs Triangles of Different Dimensions被引量：1
《Chinese Annals of Mathematics,Series B》2008年第5期557-566,共10页Zhihua CHEN Yang LIU 
the National Natural Science Foundation of China (No. 10571135);the Doctoral Program Foundation of the Ministry of Education of China (No. 20050240711)
The authors discuss the proper holomorphic mappings between special Hartogs triangles of different dimensions and obtain a corresponding classification theorem.
关键词：Proper holomorphic mapping Hartogs triangle Automorphism group 
Areas of Triangles
《中学生数学（初中版）》2005年第16期41-41,共1页
We know that the area of any right triangle is half the area of the rectangle which has the same height and the same base with the triangle.The area of rectangle DFEG below is bh.So the area of triangle DFG is 1/2bh. ...
关键词：TRIANGLE CONCLUSION PROOF ALTITUDE drawn sheet OPP 
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