Orateur
Jean Écalle
(CNRS, emeritus)
Description
I shall attempt a broad brush, rather personal survey of resurgence (a theory now in its prime: it just turned 50 this year!) with special emphasis on
(i) the algebraic aspect, which all too often gets short shrift
(ii) questions of typology: sources of resurgence; patterns of resurgence; the ad
hoc toolkit
(iii) some signal successes of the theory
(iv) and lastly, for good measure, three vexing open questions.