2025 : 4 : 22

Hojjatollah Samea

Academic rank: Associate Professor
ORCID:
Education: PhD.
ScopusId: 22635501800
HIndex:
Faculty: Faculty of Science
Address:
Phone:

Research

Title
Weight generalization of the space of continuous functionsvanishing at infinity
Type
JournalPaper
Keywords
Banach space, locally compact space, topological algebra, weighted space
Year
2023
Journal MATHEMATISCHE NACHRICHTEN
DOI
Researchers ، Hojjatollah Samea

Abstract

In this paper, we characterize the weighted generalization of the space of continuous functions vanishing at infinity and correct some wrong results in the paper. Let 𝑋 be a locally compact space and 𝜈 is an arbitrary weight (non-negativefunction) on 𝑋. We give a correct and comprehensive definition of the weightedgeneralization 𝐶𝜈0 (𝑋) of 𝐶0(𝑋), and show that it is a seminormed space withrespect to the canonical seminorm ‖𝑓‖𝜈 = sup𝑥∈𝑋 |𝑓(𝑥)|, where 𝑓∈𝐶𝜈0 (𝑋). Wefind conditions on 𝜈 under which 𝐶𝜈0 (𝑋), with respect to ‖.‖𝜈, becomes a normedspace or a Banach space or an algebra, or a topological algebra, respectively.