His field of study is American literature, more specifically “ethnic” literatures. His doctorial thesis was entitled “Myth and History in Chinese American and Chicano Literature” (1995), and his publications include articles on Maxine Hong Kingston, Gerald Vizenor, John Edgar Wideman, and the Harlem Renaissance. On the latter subject, he edited, with Pr Geneviève Fabre, Jean Toomer and the Harlem Renaissance (Rutgers University Press, 2001) and "Temples for Tomorrow": Looking Back at the Harlem Renaissance (Indiana University Press, 2001). He has also edited Nationalismes et régionalismes, survivances du romantisme ? (Nantes, CRINI, 2003) and Des nations, avec ou sans Etat (Nantes, CRINI, 2005), two collections of essays about national identities.