In this article, we study the class of rings in which every regular locally principal ideal is projective called LPP-rings. We investigate the transfer of this property to various constructions such as direct products, amalgamation of rings, and trivial ring extensions. Our aim is to provide examples of new classes of commutative rings satisfying the above-mentioned property.
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cardigans and sweaters over fur- and cotton-lined waist-length jackets. Boots may get replaced by shoes, the intricate, multi-layered headdresses and Biedermeier hairstyle by pulled-back hair and simple buns instead of braids. The apron may have been omitted