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Showing 2015 · math.PRShow all
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math.PR2015
Criteria for Discrete Spectrum of 1D Operators
Mu-Fa Chen
For discrete spectrum of 1D second-order differential/difference operators (with or without potential (killing), with the maximal/minimal domain), a pair of unified dual criteria a…
math.PR2015★ 1 cited
The optimal constant in Hardy-type inequalities
Mu-Fa Chen
To estimate the optimal constant in Hardy-type inequalities, some variational formulas and approximating procedures are introduced. The known basic estimates are improved considera…