EXTREMAL

作品数：132被引量：120H指数：6
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相关作者：魏志强吴英毅赵逸才陈阳舟辛乐更多>>
相关机构：中国科学院大学东南大学浙江大学华南师范大学更多>>
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Extremal Betti Numbers of Some Cohen-Macaulay Binomial Edge Ideals
《Algebra Colloquium》2021年第3期415-430,共16页Carla Mascia Giancarlo Rinaldo 
The first author was supported by the“National Group for Algebraic and Geometric Structures,and Their Applications”(GNSAGA-INdAM).
We provide the regularity and the Cohen-Macaulay type of binomial edge ideals of Cohen-Macaulay cones,and we show the extremal Betti numbers of some classes of Cohen-Macaulay binomial edge ideals:Cohen-Macaulay bipart...
关键词：binomial edge ideal Cohen-Macaulay type extremal Betti number 
Some Upper Bounds Related with Domination Number被引量：1
《Journal of the Operations Research Society of China》2013年第2期217-225,共9页Zhao Gu Jixiang Meng Zhao Zhang Jin E.Wan 
This work was supported by National Natural Science Foundation of China(Nos.61222201,11171283);We are grateful to the Journals Editorial Office for the useful suggestions and help.And we gratefully acknowledge the two reviewers who correct some errors of this paper。
For a simple and connected graph G,denote the domination number,the diameter,and the radius of G asβ(G),D(G),and r(G),respectively.In this paper,we solve two conjectures on the upper bounds ofβ(G)·D(G)andβ(G)+r(G)...
关键词：AutoGraphiX Upper bounds Extremal tree Domination number 
Extremals in some classes of Carnot groups被引量：3
《Science China Mathematics》2012年第3期633-646,共14页HUANG TiRen YANG XiaoPing 
supported by National Natural Science Foundation of China (Grant No.10771102)
Let G be a Carnot group and D={e 1,e 2 } be a bracket generating left invariant distribution on G.In this paper,we obtain two main results.We first prove that there only exist normal minimizers in G if the type of D i...
关键词：Carnot group EXTREMAL MINIMIZER 
SOME EXTREMAL PROPERTIES OF THE INTEGRAL OF LEGENDRE POLYNOMIALS
《Acta Mathematicae Applicatae Sinica》2001年第4期509-516,共8页史应光 王子玉 
the National Natural Science Foundation of China (No.19671082).
Some extremal properties of the integral of Legendre polynomials are given, which are of independent interest. Meanwhile they show that a conjecture of P. Erdos[1] is plausible and maybe provides some means to prove t...
关键词：Lagrange interpolation Legendre polynomial extremal problem 
Some extremal properties of multivariate polynomial splines in the metric L_p(R^d)
《Science China Mathematics》2001年第8期961-968,共8页刘永平 许贵桥 
Scientific Research Foundation for Returned Overseas Chinese Scholars of the Ministry of Education of China.
We constructed a kind of continuous multivariate spline operators as the approximation tools of the multivariate functions on the Rd instead of the usual multivariate cardinal interpolation oper-ators of splines, and ...
关键词：multivariate polynomial splines infinite-dimensional width optimal subspace Sobolev classes. 
Some Remarks on the Geodesics in Infinite Dimensional Teichmuller Spaces被引量：2
《Acta Mathematica Sinica,English Series》1997年第4期497-502,共6页Shen Yuliang Department of Mathematics, Suzhou University, Suzhou 215006, China 
Let B denote the set of those points p in an infinite dimensional Teichmiiller space such that a geodesic between the zero point and p is not unique. Some properties of the set B are given.
关键词：Quasiconformal mappings Teichmuller spaces Extremal quasiconformal Beltramis GEODESICS 
ON SOME EXTREMAL PROPERTIES OF ALGEBRAIC POLYNOMIALS
《Acta Mathematica Scientia》1995年第4期474-476,共3页谢四清 
Let P-n be an algebraic polynomial of degree n with real coefficients. We study the extremal properties of the integral integral(-1)(1)(P ''(n) (x))(2)dx and integral(-1)(1) (1-x(2))1/2(P ''(n)(x))(2)dx subject to the...
关键词：algebraic polynomial INTERPOLATION 
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