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| Hlavní autoři: | , |
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| Médium: | Preprint |
| Vydáno: |
2006
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| Témata: | |
| On-line přístup: | https://arxiv.org/abs/math/0606721 |
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- In this paper we discuss the stability of an alternative pollution-free procedure for computing spectra. The main difference with the Galerkin method lies in the fact that it gives rise to a weak approximate problem which is quadratic in the spectral parameter, instead of linear. Previous accounts on this new procedure can be found in Levitin and Shargorodsky (2002) [math.SP/0212087] and Boulton (2006) [math.SP/0503126].