Communications of the Korean Mathematical Society (대한수학회논문집)
- Volume 13 Issue 4
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- Pages.791-800
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- 1998
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- 1225-1763(pISSN)
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- 2234-3024(eISSN)
NEUMANN SERIES EXPANSION OF THE INVERSE OF A FRAME OPERATOR
- Lim, Jae-Kun (Department of Mathematics Korea Advanced Institute of Science and Technology)
- Published : 1998.10.01
Abstract
We present a proof that, among all complex numbers, Duffin-Schaeffer's choice in the Neumann series expansion of the inverse of a frame operator has the best possible convergence rate.