Xavier Villalba , Ph.D. (2000), Universitat Autònoma de Barcelona, is Professor of Catalan Linguistics at that university. His core research interests are the interface of syntax with information structure and with semantics and pragmatics. He has published in indexed journals such as Discourse Processes , International Review of Pragmatics , Journal of Pragmatics, Language Variation, Syntax , and The Linguistic Review , and he has contributed to several collective works ( Manual of Catalan Linguistics , Manual of Romance Morphosyntax and Syntax , Advances in the Analysis of Spanish Exclamatives ). He is the co-editor of Expressive meaning across linguistic levels and frameworks (Oxford University Press, 2021) and of the series Current Studies in the Semantics/Pragmatics Interface (Brill). M.Teresa Espinal , Professor of Linguistics at the Universitat Autònoma de Barcelona, where she is a member of the Center for Theoretical Linguistics.

Her main research interests are the theory of language, the syntax-semantics and the syntax-pragmatics interfaces, and their relationship with a general theory of cognition. Her work has been published in multiple journals including Language , Annual Review of Linguistics , Natural Language and Linguistic Theory , Language and Speech , Journal of Pragmatics , Journal of Linguistics , Glossa , Lingua , The Linguistic Review , Probus , Frontiers in Psychology , Sign Language & Linguistics , and Studia Linguistica . She is the editor of Semántica (Akal, 2014) and the co-editor of The Oxford Handbook of Negation (OUP, 2020).