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"Nefrin-e Zamin" (The Cursing of the Land) is one of the important works of the social sciences in the1960s. The present study examines this book from the perspective of critical discourse analysis (CDA) based on the exclusion components in Van Leeuwen's model. The purpose of this study is to show how social and intellectual views are linked to discourse-based structures in fictional texts in order to highlight the importance of linguistic structures in creating social discourses and their relationship with power and domination. This survey has been studied using a descriptive-analytical method, based on socio-semantic categories in the representation of social actors and how to use different types of exclusion and its reasons in a total of 3600 expressive discourse phrases. The results show that in this story, the author has tried to suppress the role of social actors with the use of special linguistic structures, including short sentences with different types of exclusion, the preferences for passive structures over active structures, and using infinitive structures and the use of adjectives, and this has a direct connection with the social institutions and the author's community especially “institution of power and politics”. In the Nefrin-e Zamin, the impact of political issues on the social, economic, and public institutions of that period is obvious and the author with his language choices and his style has explained the manifestations of modernity, social transitions, and the imbalance of power in society.

Abstract: A ring R is called a refinement ring if the monoid of finitely generated projective R- modules is refinement. Let R be a commutative refinement ring and M, N, be two finitely generated projective R-nodules, then M~N if and only if Mm ~Nm for all maximal ideal m of R. A rectangular matrix A over R admits diagonal reduction if there exit invertible matrices p and Q such that PAQ is a diagonal matrix. We also prove that for every refinement ring R, every regular matrix over R admits diagonal reduction if and only if every regular matrix over R/J(R) admits diagonal reduction.