Stability of order and type under perturbation of the spectral measure

• Autores: Anton D. Baranov, Harald Woracek
• Localización: Revista matemática iberoamericana, ISSN 0213-2230, Vol. 35, Nº 4, 2019, págs. 963-1026
• Idioma: inglés
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• Resumen

  • t is known that the type of a measure is stable under perturbations consisting of exponentially small redistribution of mass and exponentially small additive summands. This fact can be seen as stability of de~Branges chains in the corresponding L2-spaces.