谭沈阳,刘文军.带势加权散度形式的 Grushin 型退化椭圆算子的 Dirichlet 特征值的上界*[J].数学年刊A辑,2022,43(1):37~56
带势加权散度形式的 Grushin 型退化椭圆算子的 Dirichlet 特征值的上界*
Lower and Upper Bounds of Dirichlet Eigenvalues for Grushin Type Degenerate Elliptic Operators in Weighted Divergence Form with a Potential
Received:November 14, 2020  Revised:September 20, 2021
DOI:10.16205/j.cnki.cama.2022.0003
中文关键词:  Grushin 向量场, Dirichlet 特征值,估计不等式
英文关键词:Grushin operator, Dirichlet eigenvalues, Estimate inequality
基金项目:国家自然科学基金(No.11771216),江苏省重点研发计划(社会发展)(No.BE2019725),江苏省六大人才高峰项目(No.2015-XCL-020),江苏省高校“青蓝工程”和江苏省研究生培养创新工程(No.KYCX210930)
Author NameAffiliation
TAN shenyang School of Mathematics and Statistics, Nanjing University of Information Sci- ence and Technology, Nanjing 210044, China
Taizhou Institute of Sci. & Tech. NJUST, Taizhou 225300, Jiangsu, China. 
LIU wenjun Corresponding author.School of Mathematics and Statistics, Nanjing Univer-sity of Information Science and Technology, Nanjing 210044, China. 
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中文摘要:
      本文考虑了带有位势的散度形式的 Grushin 型退化椭圆算子的 Dirichlet 加权特征值的估计.利 用傅里叶变换的方法得到了特征值的精确下界估计.然后通过试验函数的方法得到了特征值上界的杨型 不等式.
英文摘要:
      In this paper, the authors consider the estimates of Dirichlet eigenvalues for Grushin type degenerate elliptic operator in weighted divergence form with a potential. Using the method of Fourier transformation, they get precise lower bound estimates for the eigenvalues. Then, through the way of trail function, they obtain Yang-type inequalities which give upper bounds of eigenvalues.
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