On the $L^1$ and pointwise divergence of continuous functions

Fuente: arXiv
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Main Authors: Gryszka, Karol, Pasteczka, Paweł
Format: Preprint
Published: 2020
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author Gryszka, Karol
Pasteczka, Paweł
author_facet Gryszka, Karol
Pasteczka, Paweł
contents For a family of continuous functions $f_1,f_2,\dots \colon I \to \mathbb{R}$ ($I$ is a fixed interval) with $f_1\le f_2\le \dots$ define a set $$ I_f:=\big\{x \in I \colon \lim_{n \to \infty} f_n(x)=+\infty\big\}.$$ We study the properties of the family of all admissible $I_f$-s and the family of all admissible $I_f$-s under the additional assumption $$ \lim_{n \to \infty} \int_x^y f_n(t)\:dt=+\infty \quad \text{ for all }x,y \in I\text{ with }x<y.$$ The origin of this problem is the limit behaviour of quasiarithmetic means.
format Preprint
id arxiv_https___arxiv_org_abs_2007_12752
institution arXiv
publishDate 2020
record_format arxiv
spellingShingle On the $L^1$ and pointwise divergence of continuous functions
Gryszka, Karol
Pasteczka, Paweł
Classical Analysis and ODEs
26E60, 54C30, 26A15, 26A30, 28A78
For a family of continuous functions $f_1,f_2,\dots \colon I \to \mathbb{R}$ ($I$ is a fixed interval) with $f_1\le f_2\le \dots$ define a set $$ I_f:=\big\{x \in I \colon \lim_{n \to \infty} f_n(x)=+\infty\big\}.$$ We study the properties of the family of all admissible $I_f$-s and the family of all admissible $I_f$-s under the additional assumption $$ \lim_{n \to \infty} \int_x^y f_n(t)\:dt=+\infty \quad \text{ for all }x,y \in I\text{ with }x<y.$$ The origin of this problem is the limit behaviour of quasiarithmetic means.
title On the $L^1$ and pointwise divergence of continuous functions
topic Classical Analysis and ODEs
26E60, 54C30, 26A15, 26A30, 28A78
url https://arxiv.org/abs/2007.12752