461 research outputs found

    L’azione di concerto nella disciplina degli assetti proprietari degli intermediari: tra vuoti normativi e prospettive evolutive

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    Il contributo si pone l’obiettivo di fornire una chiave di lettura critica del complesso normativo concernente l’acquisto di concerto di partecipazioni qualificate nel capitale sociale degli intermediari finanziari italiani, muovendo dalla gestazione della disciplina in seno al legislatore europeo per arrivare ad un’analisi esegetica delle rilevanti disposizioni del testo unico bancario. Si evidenziano in questa sede le principali incertezze applicative e lacune regolamentari, tentando di fornire alcuni strumenti e spunti interpretativi anche per il tramite della normativa secondaria e con l’ausilio delle linee guida in materia emanate dalle Autorità europee.The paper aims at providing a critical reading of the regulatory framework concerning the concerted acquisition of qualified holdings in the share capital of Italian financial intermediaries, starting from the origins of the regulation within the European legislator and ending with an e xegetical analysis of the relevant provisions of the Consolidated Banking Act. In this context, the main applicative uncertainties and regulatory gaps are highlighted, attempting to provide some interpretative tools and hints also through secondary regulations and with the aid of the relevant guidelines issued by the European Authorities

    Absence of the absolutely continuous spectrum for Stark-Bloch operators with strongly singular periodic potentials

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    We correct here the proof of the boundedness of the coupling term X given by us in a previous paper (1995 J. Phys. A: Math. Gen. 28 1101-6)

    Ivan Petrovich Pavlov (1849-1936)

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    Comment in: And Pavlov still rings a bell: summarising the evidence for the use of a bell in Pavlov's iconic experiments on classical conditioning. [J Neurol. 2015

    Gevrey formal power series of Wannier-Stark ladders

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    We consider time-independent Schrodinger equations in one dimension with both periodic and Stark potentials. By means of an iterative procedure we obtain a formal power series for the Wannier-Stark ladders. In the case of strongly singular periodic potentials we prove that such a formal power series is of Gevrey type

    Absence of the absolutely continuous spectrum for Stark-Bloch operators with strongly singular periodic potentials

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    We prove the absence of the absolutely continuous spectrum for the operator -d(2)/dx(2) + Sigma(j epsilon Z)alpha delta'(x - j) + fx, > 0 and alpha not equal 0, by means of the crystal momentum representation and the Howland's criterion for Floquet-type operators
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