The exact bounds;
The number of zeros;
Hyperelliptic integrals;
The first kind;
Chebyshev;
ELLIPTIC INTEGRALS;
ABELIAN-INTEGRALS;
NON-OSCILLATION;
DEGREE-4;
PERTURBATIONS;
PROPERTY;
LOOP;
D O I:
10.1016/j.jde.2012.07.011
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In this paper we study three classes of complete hyperelliptic integrals of the first kind, which are some degenerate subfamilies of a family considered in the work of Gavrilov and Him It is shown that the three classes of complete hyperelliptic integrals are Chebyshev, and the exact bounds on the number of zeros of these Abelian integrals are one. This result reveals that there exist degenerate subfamilies of ovals of the hyperelliptic Hamiltonian which are not exceptional families proposed by Gavrilov and Iliev, but the corresponding complete hyperelliptic integrals of the first kind still satisfy the Chebyshev property. (C) 2012 Elsevier Inc. All rights reserved.
机构:
Hunan City Univ, Coll Sci, Yiyang 413000, Peoples R China
State Grid Zhejiang Elect Power Res Inst, Customer Serv Ctr, Hangzhou 310009, Zhejiang, Peoples R ChinaHunan City Univ, Coll Sci, Yiyang 413000, Peoples R China
Yang, Zhen-Hang
Qian, Wei-Mao
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h-index: 0
机构:
Huzhou Broadcast & TV Univ, Sch Distance Educ, Huzhou 313000, Peoples R ChinaHunan City Univ, Coll Sci, Yiyang 413000, Peoples R China
Qian, Wei-Mao
Chu, Yu-Ming
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机构:
Huzhou Univ, Dept Math, Huzhou 313000, Peoples R ChinaHunan City Univ, Coll Sci, Yiyang 413000, Peoples R China
机构:
Beihang Univ, LMIB, Beijing 100191, Peoples R China
Beihang Univ, Sch Math & Syst Sci, Beijing 100191, Peoples R ChinaBeihang Univ, LMIB, Beijing 100191, Peoples R China
Wu, Juanjuan
Zhang, Yongkang
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机构:
Tianjin Normal Univ, Sch Math Sci, Tianjin 300387, Peoples R ChinaBeihang Univ, LMIB, Beijing 100191, Peoples R China
Zhang, Yongkang
Li, Cuiping
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h-index: 0
机构:
Beihang Univ, LMIB, Beijing 100191, Peoples R China
Beihang Univ, Sch Math & Syst Sci, Beijing 100191, Peoples R ChinaBeihang Univ, LMIB, Beijing 100191, Peoples R China