This paper examines conditions for approximate normality and weak regularity in function algebras, extending classical separation properties.
Classical separation properties, including regularity and normality, have been widely studied within the framework of commutative Banach algebras and function algebras. In this paper, we extend these investigations to Cartesian products of function algebras by considering their generalized forms: approximate regularity, approximate normality, and weak regularity. We examine the interrelations among these properties and establish conditions characterizing their validity in the product setting.
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Dipti Patel (2025) studied this question.
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