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Constraints on subjects : an optimality theoretic analysis

1996, Doctoral thesis, UNSPECIFIED.

Abstract

This dissertation argues for an Optimality Theoretic analysis of null subjecthood, subject inversion, agreement and structural case assignment. It does so on the basis of the hypothesis that an analysis in terms of the interaction of violable, conflicting constraints adds to the deductive structure of linguistic explanations while simplifying the definition of the relevant syntactic modules. Among the most relevant results is a unified analysis of the crosslinguistic and language-internal distribution of null and inverted subjects. An initial investigation shows that subjects are null when referring to antecedents with topic status, and inverted when focused, a result formalized through the constraints DROPTOPIC and ALIGNFOCUS. The interaction between these constraints and the constraints SUBJECT and PARSE, favoring subjects in preverbal subject position, determines the distribution of null subjects language-internally and crosslinguistically, eliminating the need for an independent pro-drop parameter (Grimshaw & Samek-Lodovici 1995). My deepest gratitude goes to Jane Grimshaw and Alan Prince. They have splendid minds, and attending their courses and doing research with them has always been brain storming, refreshing, and simply wonderful. But what I feel most grateful for is their ability to accompany their enthusiasm for linguistic research with much humanity, always finding the time, the words, and the smiles, to encourage, help, and understand. I often feel they taught me more than linguistics. Jane has also inspired many of the ideas in this dissertation. In particular, I owe to her the intuition of the potential of an Optimality Theoretic approach to Syntax, and countless hours spent helping me identifying anything good or problematic hidden in my OT analyses. And of course, without Alan's teaching and advice on OT during these years, this dissertation would not have been possible. I also greatly benefited from the advice of the members of my committee. The meetings with Ken Safir, Richard Kayne and Maria Bittner were always highly rewarding experiences. Ken Safir and Richard Kayne's suggestions and remarks on null subjects, subject inversion, agreement and case assignment left me with enough material for a second dissertation, and I am very grateful for this. I am also very grateful to Maria Bittner for all I learnt from her on the syntax and semantics of focusing.