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Teoreticheskaya i Matematicheskaya Fizika, 2010, Volume 163, Number 2, Pages 299–313
DOI: https://doi.org/10.4213/tmf6501
(Mi tmf6501)
 

The renormalizing series of some integral equations

B. Candelperghera, T. Grandoub

a Laboratoire J. Dieudonné, Université de Nice, Nice, France
b Institut Non Linéaire de Nice, Valbonne, France
References:
Abstract: We consider integral equations for which the perturbation expansion gives a power series in a parameter $h$ whose coefficients are divergent integrals. We eliminate the divergent integrals by introducing a renormalizing $Z(t,h)$ series in the minimal subtraction scheme. We investigate the convergence of the formal $Z$ series in relation to the kernels of the integral equations. We find a relation of the renormalizing series to the Lagrange inversion series and also some other relations.
Keywords: renormalization, divergent integral, Lagrange inversion formula.
Received: 15.10.2009
Revised: 06.11.2009
English version:
Theoretical and Mathematical Physics, 2010, Volume 163, Issue 2, Pages 653–665
DOI: https://doi.org/10.1007/s11232-010-0048-9
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: B. Candelpergher, T. Grandou, “The renormalizing series of some integral equations”, TMF, 163:2 (2010), 299–313; Theoret. and Math. Phys., 163:2 (2010), 653–665
Citation in format AMSBIB
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