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Wild Spectral Behaviour of Anharmonic Oscillators |
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| Authors: | Davies E B |
| Institution: | Department of Mathematics, King's College Strand, London WC2R 2LS |
| Abstract: | We show that the norms of the sequence of spectral projectionsof certain non-self-adjoint ordinary differential operatorscannot be polynomially bounded. The proof involves the investigationof ‘tame’ bi-orthogonal systems in Banach spaces.2000 Mathematics Subject Classification 34L10, 46B15. |
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