@article{fdi:010037626, title = {{T}ime scales in linear delayed differential equations}, author = {{S}anchez, {E}. and {D}e la {P}arra, {R}.{B}. and {A}uger, {P}ierre and {G}omez {M}ourelo, {P}.}, editor = {}, language = {{ENG}}, abstract = {{T}he aim of this paper is to apply and justify the so-called aggregation of variables method for reduction of a complex system of linear delayed differential equations with two time scales: slow and fast. {T}he difference between these time scales makes a parameter epsilon > 0 to appear in the formulation, being a mathematical problem of singular perturbations. {T}he main result of this work consists of demonstrating that, under some hypotheses, the solution to the perturbed problem converges when epsilon -> 0 to the solution of an aggregated system whose construction is proposed. (c) 2005 {E}lsevier {I}nc. {A}ll rights reserved.}, keywords = {singular perturbations ; aggregation of variables ; delayed differential equations ; two time scales}, booktitle = {}, journal = {{J}ournal of {M}athematical {A}nalysis and {A}pplications}, volume = {323}, numero = {1}, pages = {680--699}, ISSN = {0022-247{X}}, year = {2006}, DOI = {10.1016/j.jmaa.2005.10.074}, URL = {https://www.documentation.ird.fr/hor/fdi:010037626}, }