From approximate variation to pointwise selection principles
Auteur :
Chistyakov, Vyacheslav V.
Éditeur :
Springer Nature Switzerland AG
ISBN :
9783030873981
Date de publication :
23 oct. 2021
Dimensions :
23,5 x 15,5 cm
Langue :
Anglais
Pays d'origine :
Suisse
The new notion of approximate variation contains more information about the bounded variation functional and has the following features: the infimum in the definition of approximate variation is not attained in general and the total Jordan variation of a function is obtained by a limiting procedure as a parameter tends to zero.