CAUCHY INTEGRAL

The Cauchy integral operator over general paths

Coordinatore	UNIVERSITAT AUTONOMA DE BARCELONA    more  Organization address address: Campus UAB -BELLATERRA- s/n city: CERDANYOLA DEL VALLES postcode: 8193 contact info Titolo: Ms. Nome: Queralt Cognome: Gonzalez Matos Email: send email Telefono: +34 93 581 2854 Fax: +34 93 581 2023
Nazionalità Coordinatore	Spain [ES]
Totale costo	45˙000 €
EC contributo	45˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2010-RG
Funding Scheme	MC-ERG
Anno di inizio	0
Periodo (anno-mese-giorno)	0000-00-00   -   0000-00-00

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITAT AUTONOMA DE BARCELONA  Organization address address: Campus UAB -BELLATERRA- s/n city: CERDANYOLA DEL VALLES postcode: 8193 contact info Titolo: Ms. Nome: Queralt Cognome: Gonzalez Matos Email: send email Telefono: +34 93 581 2854 Fax: +34 93 581 2023	ES (CERDANYOLA DEL VALLES)	coordinator	45˙000.00

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 Obiettivo del progetto (Objective)

'The Cauchy integral operator is the prototype example of a singular integral operator in the complex variable setting and the fundamental object to be understood in the problem of characterization of removable sets for bounded analytic functions. By many different reasons, the study of this operator has always been confined to the setting of Lipschitz paths. However, recent developments in a relatively new technique called time-frequence analysis suggests that the theory may be extended to more general paths. Therefore, we propose the study of boundedness of Cauchy integral operator defined over paths that can be rougher than Lipschitz. We are particularly interested in the case when the derivative of the function defining the path belongs to a particular Lebesgue space. For such purpose, we propose the use of time-frequency analysis and the use of variation norms. Once boundedness in Lebesgue spaces is obtained, we will be able to establish new lower bounds for the analytic capacity of a compact set, which which is a quantitative measurement of the possibility of being removable.'