🔴 PCM publications (Phylogenetics and Historical Reconstruction)
🟡 Genes and Languages
🟢 Microvariation and Contact
🔵 Modeling parametric diversity
2026
🔴 Cristina Guardiano and Giuseppe Longobardi (2026) Syntactic Methods for Language Phylogenies. In Adam Ledgeway, Edith Aldridge, Anne Breitbarth, Katalin É. Kiss, Joseph Salmons, and Alexandra Simonenko (eds) The Wiley Blackwell Companion to Diachronic and Historical Linguistics. NY: John Wiley & Sons.
🟢 Li Destri, Emanuela, Marco Longhin, Gaia Sorge, Sofia Ferroni, Giovanni B. Matteazzi, Andrea Artioli, Lorenzo Carletti, Federico Motta, Giuseppe Longobardi & Cristina Guardiano (2026) Handling Cross-Dialect Syntactic Variation. A Theory-Driven Web Resource. In Anasastasopoulos, A. et al. (eds), Proceedings of Workshop on Dialects in NLP — A Resource Perspective (DialRes) @ LREC 2026, 70-82.
🔴 Marco Longhin, Stefano Ghinoi, Gaia Sorge, Andrea Artioli and Cristina Guardiano (2026) Crossparametric dependencies and Social Network Analysis. In Hartmann, S. et al. (eds), The Evolution of Language: Proceedings of the 16th International Conference (EVOLANG XVI), 272–279. Nijmegen: The Evolution of Language Conferences. DOI: 10.17617/2.3696655.
2025
🔵 Paola Crisma, Giulia Fabbris, Giuseppe Longobardi and Cristina Guardiano (2025) What are your values? Default and asymmetry in parameter states. Journal of Historical Syntax, Journal of Historical Syntax Volume 9, Article 3: 1–26. DOI: 10.18148/hs/2025.v9i2-10.182. Appendix 1 and 2 .
🟢 Cristina Guardiano and Vincenzo Stalfieri (2025) Comparazione parametrica e strutture nominali. Alcune note dalla Sicilia galloitalica. In: Elvira Assenza, Angela Castiglione, Alessandro De Angelis, Salvatore Menza (eds) I dialetti galloitalici di Sicilia tra resistenza e assimilazione. Palermo: Centro studi filologici e linguistici siciliani, 163-192.
🟡 Francesca Menato, Gerardo Pepe, Ester Mercuri, Francesco Zangaro, Giulia Cangialosi, Carla Jodice, Martina Gulì, Fulvio Cruciani, Beniamino Trombetta, Manuela Helmer-Citterich, Eugenia D’Atanasio, Cristina Guardiano, Giuseppe Longobardi, Ornella Semino, Andrea Novelletto and Valeria Specchia (2025) Rare uniparental lineages reveal external ancestries in the gene pool of the Italian linguistic enclave of Grecìa Salentina, Scientific Reports https://doi.org/10.1038/s41598-025-31756-x.
2024
🔵 Paola Crisma and Giuseppe Longobardi (2024) The parametric space associated with D. In: S. Armoskaite and M. Wiltschko (eds) The Oxford Handbook of Determiners, Oxford University Press, Oxford.
🔵 Paola Crisma, Cristina Guardiano and Giuseppe Longobardi (2024) A unified theory of Case form and Case meaning. Genitives and parametric syntax. In: C. Sevdali, D Mertyris and E. Anagnostopoulou (eds) The place of Case in Grammar. Oxford, OUP, 427-466.
🟢 Cristina Guardiano (2024) Differential object marking in a dialect of Sicily. In: Monica A. Irimia and Alexandru Mardale (eds) Differential Object Marking in Romance. Towards microvariation. Amsterdam, John Benjamins, 192-231.
2022
🟢 Cristina Guardiano, Michela Cambria and Vincenzo Stalfieri (2022) Number morphology and bare nouns in some Romance dialects of Italy. Languages 7: 255.
2021
🔴 Andrea Ceolin, Cristina Guardiano, Giuseppe Longobardi, Monica Alexandrina Irimia, Luca Bortolussi and Andrea Sgarro (2021) At the boundaries of syntactic prehistory. Philosophical Transactions of the Royal Society B 376: 20200197.
🔴 Cristina Guardiano, Giuseppe Longobardi, Guido Cordoni and Paola Crisma (2021) Formal syntax as a phylogenetic method. In: Richard D. Janda, Brian D. Joseph, Barbara S. Vance (eds) The Handbook of Historical Linguistics, Volume II. Hoboken, NJ: Wiley/Blackwell, 145-182.
🟢 Cristina Guardiano and Melita Stavrou (2021) Modeling syntactic change under contact: the case of Italiot Greek. Languages 6(2), 74.
2020
🔴 Andrea Ceolin, Cristina Guardiano, Monica Alexandrina Irimia and Giuseppe Longobardi (2020) Formal syntax and deep history. Frontiers in Psychology 11: 488871.
🔵 Paola Crisma, Cristina Guardiano and Giuseppe Longobardi (2020) Syntactic diversity and language learnability. Studi e Saggi Linguistici LVIII (2), 97-128.
🔵 Laura Franzoi, Andrea Sgarro, Anca Dinu and Liviu P. Dinu (2020). Random Steinhaus distances for robust syntax-based classification of partially inconsistent linguistic data. In M. J. Lesot, S. M. Vieira, M. Z. Reformat, J. P. Carvalho, A. Wilbik, B. Bouchon-Meunier, et al. (eds) International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems, 17-26. Springer, Cham.
🟢 Cristina Guardiano, Melita Stavrou, Giuseppe Longobardi and Paola Crisma (2020) Contact and resistance. In: Patrizia Del Puente, Francesca Guazzelli, Lucia Molinu, Simone Pisano (eds) Tra etimologia romanza e dialettologia. Alessandria: Edizioni dell’Orso, 177-188.
🟢 Cristina Guardiano and Franco Fanciullo (eds) (2020) L’Italia Dialettale 81. Selected papers from the round table “Comparazione e classificazione dei dialetti d’Italia”.
🟢 Cristina Guardiano and Melita Stavrou (2020) Dialect syntax between persistence and change. The case of Greek demonstratives. L’Italia Dialettale 81, 119-155.
🟡 Patrícia Santos, Gloria Gonzalez-Fortes, Emiliano Trucchi, Andrea Ceolin, Guido Cordoni, Cristina Guardiano, Giuseppe Longobardi and Guido Barbujani (2020) More rule than exception: parallel evidence of ancient migrations in grammars and genomes of Finno-Ugric speakers. Genes 11, 1491.
2019
🟢 Cristina Guardiano and Dimitris Michelioudakis (2019) Syntactic variation across Greek dialects: the case of demonstratives. In Silvio Cruschina, Adam Ledgeway, Eva-Maria Remberger (eds) Italian dialectology at the Interfaces. Amsterdam: John Benjamins, 319-355.
🟢 Cristina Guardiano and Melita Stavrou (2019) Ελληνική και ρομανικές ποικιλίες της Κάτω Ιταλίας: ιστορία και γλωσσική επαφή σε ονοματικές δομές. In: Αργύρης Αρχάκης, Νίκος Κουτσούκος, Γιώργος Ι. Ξυδόπουλος, Δημήτρης Παπαζαχαρίου (eds) Γλωσσική ποικιλία, μελέτες αφιερωμένες ςτην Αγγελική Rάλλη. Αθήνα: Κάπα Εκδωτική, 515-533.
🟢 Cristina Guardiano and Melita Stavrou (2019) Comparing patterns of adjectival modification in Greek: a diachronic approach. Quaderni di linguistica e studi orientali/Working papers in linguistics and oriental studies 5, 135-173.
🟢 Cristina Guardiano and Melita Stavrou (2019) Adjective-Noun combinations in Romance and Greek of Southern Italy. Polydefiniteness revisited. Journal of Greek Linguistics 19, 3-57.
2018
🟢 Cristina Guardiano, Dimitris Michelioudakis, Guido Cordoni, Monica-Alexandrina Irimia, Nina Radkevich and Ioanna Sitaridou (2018) Parametric comparison and dialect variation: insights from Southern Italy. In: Lori Repetti e Francisco Ordóñez (eds) Romance languages and linguistic theory 14. Selected papers from the 46th Linguistics Symposium on Romance Languages (LSRL), Stony Brook, NY. Amsterdam: John Benjamins, 103-133.
🔵 Dimitar Kazakov, Guido Cordoni, Eyad Algahtani, Andrea Ceolin, Monica-Alexandrina Irimia, Shin Sook Kim, Dimitris Michelioudakis, Nina Radkevich, Cristina Guardiano and Giuseppe Longobardi (2018) Learning implicational models of universal grammar parameters. In C. Cuskley, M. Flaherty, H. Little, L. McCrohon, A. Ravignani, T. Verhoef (eds) The evolution of language: proceedings of the 12th international conference (EVOLANG 12)
2017
🔴 Cristina Guardiano and Giuseppe Longobardi (2017) Parameter theory and parametric comparison. In: Ian Roberts (ed) The Oxford handbook of Universal Grammar. Oxford: Oxford University Press, 377-398.
🔵 Dimitar Kazakov, Guido Cordoni, Andrea Ceolin, Monica-Alexandrina Irimia, Shin Sook Kim, Dimitris Michelioudakis, Nina Radkevich, Cristina Guardiano and Giuseppe Longobardi (2017) Machine learning models of Universal Grammar parameter dependencies. In: Proceedings of Knowledge resources for the socio-economic sciences and humanities associated with RANLP-17: 31–37.
🔵 Giuseppe Longobardi (2017) Principles, Parameters, and Schemata. A constructivist UG, Linguistic Analysis, Vol. 41, N. 3-4, 517-556.
🔴 Giuseppe Longobardi and Cristina Guardiano (2017) Phylogenetic reconstruction in syntax: the Parametric Comparison Method. In: Adam Ledgeway, Ian Roberts (eds) The Cambridge handbook of historical syntax. Cambridge: Cambridge University Press, 241-271.
2016
🔴 Cristina Guardiano, Dimitris Michelioudakis, Andrea Ceolin, Monica Alexandrina Irimia, Giuseppe Longobardi, Nina Radkevich, Giuseppina Silvestri and Ioanna Sitaridou (2016) South by Southeast. A syntactic approach to Greek and Romance microvariation. L’Italia dialettale 77, 95-166.
🔴 Giuseppe Longobardi, Armin Buch, Andrea Ceolin, Aaron Ecay, Cristina Guardiano, Monica Alexandrina Irimia, Dimitris Michelioudakis, Nina Radkevich and Gerard Jaeger (2016) Correlated evolution or not? Phylogenetic linguistics with syntactic, cognacy, and phonetic data. In: The evolution of language: proceedings of the 11th international conference (EVOLANG 11), 190-198.
🔵 Giuseppe Longobardi, Andrea Ceolin, Luca Bortolussi, Cristina Guardiano, Monica Alexandrina Irimia, Dimitris Michelioudakis, Nina Radkevich and Andrea Sgarro (2016) Mathematical modeling of grammatical diversity supports the historical reality of formal syntax. In: Proceedings of the Leiden workshop on capturing phylogenetic algorithms for linguistics
🟡 Giuseppe Longobardi, Cristina Guardiano, Andrea Ceolin, Aaron Ecay, Silvia Ghirotto, Monica Alexandrina Irimia, Dimitris Michelioudakis, Nina Radkevich, Davide Pettener, Donata Luiselli and Guido Barbujani (2016) Formal linguistics as a cue to demographic history. Journal of Anthropological Sciences, 94: 147-155; doi: 10.4436/jass.94031.
2015
🟡 Giuseppe Longobardi, Silvia Ghirotto, Cristina Guardiano, Francesca Tassi, Andrea Benazzo, Andrea Ceolin and Guido Barbujani (2015) Across language families: genome diversity mirrors linguistic variation within Europe. American Journal of Physical Anthropology 157: 630-640; doi: 10.1002/ajpa.22758.
2014
🟢 Cristina Guardiano (2014) Fenomeni di contatto sintattico in Italia meridionale? Alcune note comparative. In: Diego Pescarini, Silvia Rossi (ed) Quaderni di lavoro ASIt 18: 73-102.
🟢 Cristina Guardiano and Melita Stavrou (2014) Greek and Romance in Southern Italy: history and contact in nominal structures. L’Italia Dialettale 75, 121-147.
🔵 Giuseppe Longobardi (2014) Theory and experiment in Parametric Minimalism: the case of Romance negation. In Language Description Informed by Theory. John Benjamins, 217-261.
2013
🔴 Giuseppe Longobardi, Cristina Guardiano, Giuseppina Silvestri, Alessio Boattini and Andrea Ceolin (2013) Toward a syntactic phylogeny of modern Indo-European languages. Journal of Historical Linguistics 3:1, 122-152. Reprinted in Leonid Kulikov, Nikolaos Lavidas (2015, eds) Proto-Indo-European syntax and its development. Amsterdam: John Benjamins, 125-156.
🔵 Giuseppe Longobardi and Giuseppina Silvestri (2013). The Structure of Noun Phrases. In: S. Luraghi, C. Parodi (eds) The Bloomsbury Companion to Syntax. New York: Continuum Publishing, 88-117.
2012
🔴 Giuseppe Longobardi (2012) Convergence in parametric phylogenies: homoplasy or principled explanation. In C. Galves, S. Cyrino, R. Lopes, F. Sandalo & J. Avelar (eds), Parameter Theory and Linguistic Change. Oxford University Press, 304-319.
2011
🔵 Luca Bortolussi, Andrea Sgarro, Cristina Guardiano and Giuseppe Longobardi (2011) How many possible languages are there? In: G. Bel-Enguix, V. Dahl, M. Dolores Jiménez-López (eds) Biology, Computation and Linguistics. New interdisciplinary paradigms. Amsterdam: IOS Press, 168-179.
2010
🟡 Vincenza Colonna, Alessio Boattini, Cristina Guardiano, Irene Dall’Ara, Davide Pettener, Giuseppe Longobardi and Guido Barbujani (2010) Long-range comparison between genes and languages based on syntactic distances. Human Heredity 70, 245-254.
2009
🔴 Chiara Gianollo, Cristina Guardiano and Giuseppe Longobardi (2009) Syntactic measuring of language relatedness. In: N. Chi-Dui Khuong, X. Richa, S. Samar (eds) The 5th Asian GLOW: conference proceedings. Mysore, India: CIIL, 516-544.
🔴 Giuseppe Longobardi and Cristina Guardiano (2009) Evidence for syntax as a signal of historical relatedness. Lingua 119/11, 1679-1706. Reprinted with the title The biolinguistic program and historical reconstruction. In: Anna Maria Di Sciullo, Cedric Boeckx (2011, eds) The biolinguistic enterprise. New perspectives on the evolution and nature of the human language faculty. Oxford: Oxford University Press, 266-304.
2008
🔴 Chiara Gianollo, Cristina Guardiano and Giuseppe Longobardi (2008) Three fundamental issues in parametric linguistics. In: Theresa Biberauer (ed) The limits of syntactic variation. Amsterdam: John Benjamins, 109-142.
2005
🔴 Cristina Guardiano and Giuseppe Longobardi (2005) Parametric comparison and language taxonomy. In: Monserrat Batllori, Maria-Lluisa Hernanz, Carmen Picallo, Francesc Roca (eds) Grammaticalization and parametric variation: Oxford: Oxford University Press, 149-174.
🔵 Giuseppe Longobardi (2005) A minimalist program for parametric linguistics? In: H. Broekhuis, N. Corver, M. Huybregts, U. Kleinhenz, and J. Koster (eds) Organizing Grammar: Linguistic Studies for Henk van Riemsdijk, Mouton de Gruyter, Berlin/New York, 2005, 407-414.
2003
🔴 Giuseppe Longobardi (2003) Methods in parametric linguistics and cognitive history. Linguistic Variation Yearbook 3, 101-138.