Abstract
We consider the conditions for the multiplication by a weight $w(t)$ that make the system $\{w(t)e^{i\lambda_{n}t}\}$ a conditional basis for $L^2[-\pi,\pi]$. Furthermore, some stability result is investigated on such bases.
Citation
Akihiro NAKAMURA. "On the Stability of Conditional Bases in $L^2[-\pi,\pi]$." Tokyo J. Math. 32 (1) 237 - 245, June 2009. https://doi.org/10.3836/tjm/1249648419
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