id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-5565	Villa, Osmin Ferrer; Mart´ınez, Jos´e Naranjo	Bounded $q$-variation Functions in Spaces with Indefinite Metric	2025	18	.pdf	application/pdf	6165	393	86	Functions of bounded variation in Krein spaces This section presents the fundamental theory of bounded variation functions in Krein spaces, which were introduced by Ferrer, Naranjo and Guzmán [4] Let (K = K+ ˙[+]K−, [·, ·]) be a Krein space and let f : [a, b]→ K a strongly of bounded variation function in [a, b] on (K = K+ ˙[+]K−), suppose that c in (a, b), then f is strongly of bounded variation in [a, c] and in [c, b] on (K = K+ ˙[+]K−).	cache/ejpam-5565.pdf	txt/ejpam-5565.txt