May 9, 2019
Next Friday, May 19, Emily Clem will defend her dissertation, entitled Agreement, case, and switch-reference in Amahuaca. The defense will take place from 10am-1pm in Dwinelle 1229. All members of the department are invited to attend.
This dissertation probes the nature of the syntactic operation of Agree through the lens of the morphosyntax of Amahuaca, an endangered Panoan language of the Peruvian Amazon. I explore the language's system of split ergative marking, arguing that case marking in Amahuaca is the result of agreement with multiple functional heads. This leads to a distinction between abstract and morphological ergative (and nominative) case. I also analyze the extensive system of switch-reference marking, demonstrating that the system has the typologically unusual property of tracking the reference and abstract case of all arguments of the verb, not only subject. I argue that this system arises through adjunct complementizer agreement that probes both the adjunct and matrix arguments directly. In analyzing the case and switch-reference systems of Amahuaca, I demonstrate that the empirical facts can be most straightforwardly accounted for if we assume 1) that some probes are insatiable, agreeing with all goals in their search space, and 2) that Agree is narrowly cyclic, with each instance of Merge defining a new cycle of Agree.