Absence of the absolutely continuous spectrum of a first-order non-selfadjoint Dirac-like system for slowly decaying perturbations

• Autores: Marco Marletta, Roman Romanov
• Localización: Arkiv för matematik, ISSN 0004-2080, Vol. 44, Nº 1, 2006, págs. 132-148
• Idioma: inglés
• DOI: 10.1007/s11512-005-0013-2
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• Resumen

  • We prove that the absolutely continuous subspace of the completely non-selfadjoint part of a first-order dissipative Dirac-like system is trivial when the imaginary part of the potential is non-integrable.