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Lower Bounds of Dirichlet Eigenvalues for General Grushin Type Bi-Subelliptic Operators |
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| Authors: | Hua Chen Hongge Chen Junfang Wang Nana Zhang |
| Institution: | School of Mathematics and Statistics |
| Abstract: | |
| Keywords: | Eigenvalues degenerate elliptic operators sub-elliptic estimate maximally hypoelliptic estimate bi-subelliptic operator |
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