QUADRIC

作品数：45被引量：83H指数：5
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相关领域：理学自动化与计算机技术更多>>
相关作者：聂鑫张淮清崔建莲侯晋川林中更多>>
相关机构：重庆大学陕西铁路工程职业技术学院山西师范大学空军工程大学更多>>
相关期刊：《Chinese Physics B》《Journal of Hydrodynamics》《数学杂志》《Frontiers of Mathematics in China》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划中国航空科学基金北京市自然科学基金更多>>
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On the Quantum Cohomology of Blow-ups of Four-dimensional Quadrics
《Acta Mathematica Sinica,English Series》2024年第1期313-328,共16页Jian Xun HU Hua Zhong KE Chang Zheng LI Lei SONG 
supported by NSFC Grant(Grant Nos.11890662 and 11831017);supported by NSFC Grant(Grant Nos.12271532 and 11831017);supported by NSFC Grant(Grant No.11831017);Guangdong Introducing Innovative and Enterpreneurial Teams(Grant No.2017ZT07X355);supported by Guangdong Basic and Applied Basic Research Foundation(Grant No.2020A1515010876)。
We propose a conjecture relevant to Galkin’s lower bound conjecture,and verify it for the blow-ups of a four-dimensional quadric at a point or along a projective plane.We also show that Conjecture O holds in these tw...
关键词：Quantum cohomology BLOW-UP quadric hypersurface 
An Improved Algorithm for Constructing Moving Quadrics from Moving Planes被引量：1
《Journal of Systems Science & Complexity》2017年第6期1483-1506,共24页LAI Yisheng CHEN Falai 
supported by the National Natural Science Foundation of China under Grant Nos.11271328and 11571338;the Zhejiang Provincial Natural Science Foundation under Grant No.Y7080068
This paper proposes an improved algorithm to construct moving quadrics from moving planes that follow a tensor product surface with no base points, assuming that there are no moving planes of low degree following the ...
关键词：IMPLICITIZATION moving plane moving quadric rational surface 
Notes on Association Schemes from Quadrics over Finite Fields of Characteristic Two
《Northeastern Mathematical Journal》2003年第3期235-243,共9页高锁刚 王仰贤 
The NNSF (19571024) of China ; Hebei Province Education Committee Fund (98103).
By using nondegenerate and degenerate quadrics in projective space over finite fields of characteristic 2, some association schemes were constructed and their parameters were computed by the authors (see Adv. in Math....
关键词：degenerate quadric association scheme P(Q)-polynomial scheme 
GEOMETRIC CONSTRUCTION OF ASSOCIATION SCHEMES FROM DEGENERATE QUADRICS INPROJECTIVE SPACES PG(2ν+δ+ι-1, Fq) FOR q ODD被引量：1
《Acta Mathematica Scientia》2000年第1期35-43,共9页王恺顺 魏鸿增 
Let Fq be a finite field with q elements, where q is a power of an odd prime,In this paperl the authors consider a projective space PG(2v + δ + l, Fq) with dimension 2v + δ + l, partitioned into an affine space AG(2...
关键词：Projective space QUADRIC association scheme 
QUADRICS IN AG(n, F_q)FOR q ODD
《Chinese Science Bulletin》1991年第23期2014-2015,共2页万哲先 
Let Fq be a finite field with q elements, where q is a power of a prime, and let AG （n, Fq ）be the n-dimensional aftine space over Fq. The set of points （x1, x2
关键词：QUADRIC QUADRATIC satisfy AFFINE 全一 
QUADRICS IN AG(n, F_q)FOR q EVEN
《Chinese Science Bulletin》1991年第23期2016-2017,共2页万哲先 
In this letter we assume that F_q is a finite field with q elements, where q is a power of 2. Let N={x^2+x|x∈F_q} and choose a fixed element α of F_q not belonging to N. Theorem 1. Under affine transformations any q...
关键词：QUADRIC affine quadratic assume letter F_q)FOR Q EVEN QUADRICS IN AG choose 
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