Damghan University Press Analytical and Numerical Solutions for Nonlinear Equations 3060-785X 4 1 2019 12 01 On Bounded Weak Approximate Identities and a New Version of Them همانی‌های تقریبی ضعیف کران‌دار و نسخه‌ای جدید از آنها 7 13 154 10.22128/gadm.2019.282.1018 EN Mohammad Fozouni Gonbad Kavous University Faculty of Basic Sciences and Engineering Department of Mathematics Journal Article 2018 12 02 In this paper, we give a short survey of results and problems concerning the notion of bounded weak approximate identities in Banach algebras. Also, we introduce a new version of approximate identities and give one illuminating example to show the difference. Banach algebra (bounded weak) approximate identity Fourier algebra semigroup algebra group algebra https://ansne.du.ac.ir/article_154_af20dc689ce0f7e83b0509107e002f90.pdf