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RENORMALIZATION AND ASYMPTOTICS
International Journal of Modern Physics B, 2000After a gentle introduction to the Stückelberg–Petermann style (i.e. field-theoretical) renormalization group (RG) theory, its application to the study of asymptotic behaviors of differential equations is explained through simple examples. The essence of singular perturbation methods to study asymptotic behaviors of differential equations is to reduce
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Il Nuovo Cimento, 1965
The origin of the renormalization group is re-examined and various applications of the theory are discussed. The attention is focused on the limitations of these methods, and it is found that supplementary conditions are required besides the group equations in order to get unique results. These additional conditions on the solutions form the very basis
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The origin of the renormalization group is re-examined and various applications of the theory are discussed. The attention is focused on the limitations of these methods, and it is found that supplementary conditions are required besides the group equations in order to get unique results. These additional conditions on the solutions form the very basis
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DIFFERENTIAL RENORMALIZATION AND EPSTEIN–GLASER RENORMALIZATION
Modern Physics Letters A, 2001openaire +2 more sources