- Research Article
- Open Access
Exact Values of Bernstein -Widths for Some Classes of Periodic Functions with Formal Self-Adjoint Linear Differential Operators
© Feng Guo. 2008
- Received: 10 December 2007
- Accepted: 18 June 2008
- Published: 8 July 2008
We consider the classes of periodic functions with formal self-adjoint linear differential operators , which include the classical Sobolev class as its special case. With the help of the spectral of linear differential equations, we find the exact values of Bernstein -width of the classes in the for .
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