2016 - 2020 Interdisciplinary Research on the Creation of Jewish Literature; Toward a Critical Reconstruction of the Traditional Concept of Literature
2013 - 2016 Researches in the history of Jewish Studies and its relationships to the "original sources" -- Towards the non-political and non-religious foundation of Jewish Studies
2008 - 2012 Judaism's view of humankind: creation of a textual database onminorities and suggestions for modern society
Naoya Katsumata, Wout van Bekkum. Two Aramaic Piyyutim from the Second Crusade (1148). Zutot: Perspectives on Jewish Culture. 2023. 21. 1-6
Naoya Katsumata. review of: Michael Rand, Studies in the Medieval Hebrew Tradition of the Ḥarīrīan and Ḥarizian Maqama: “Maḥberot Eitan ha-Ezraḥi”. Journal of Semitic Studies. 2023. 68. 2. e30-e32
Joseph Yahalom, Naoya Katsumata. Ibn Abitur between Fustat and Córdoba - Two Jewish Cultural Centers at the Turn of the Eleventh Century. The Poet and the World, Festschrift for Wout van Bekkum on the Occasion of His Sixty-fifth Birthday. 2019. 29-40
Wout van Bekkum, Naoya Katsumata. Between Convention and Innovation: A Study of Thematic and Literary Features of Three Sedarim for Wayyosha of the tenth and eleventh centuries. Journal of Jewish Studies. 2017. 68. 2. 325-345
Wout Van Bekkum, Naoya Katsumata. "Singing songs about songs": Biblical and exegetical interconnections in three Hebrew hymns for Yōm Vayyōsha' (The Seventh Day of Passover). Etudes sur le Judaisme Medieval. 2017. 68. 17-39
Ibn Al-Santos: The Yotserot Poetry of Rabbi Yosef Ben Itshaq the Spaniard alias Ibn Abitur
Carmel Publishing House 2024 ISBN:9789657828700
Bayad wa-Riyad: Study and Texts
Kanz Publishers 2023 ISBN:9789953987330
Political Power and Prayerful Poetry - The Life and Works of Samuel ben Hosha‘na (Jerusalem, Turn of the Eleventh Century), Hebrew Texts with English Translation
Carmel Publishing House 2020
The Poet and the World, Festschrift for Wout van Bekkum on the Occasion of His Sixty-fifth Birthday
DeGruyter 2019
“The Research History of Samuel the Third’s Poetry
(The Seventh International Medieval Hebrew Poetry Colloquium at the Tenth EAJS Congress, Paris, FRANCE 2014)
Dictionary of Piyyut, the Preliminary Presentation of an Online Database
(The IXth EAJS Congress, The Jews in the Mediterranean Context. Ravenna, ITALY 2010)
Mahberet as Mission. The Creation of a Hebrew Book of Maqamat according to its Author
(The Fifth Medieval Hebrew Poetry Colloquium, The Groningen Research Institute for the Study of Culture, University of Groningen. Groningen, The NETHERLANDS 2008)
A Piyyut Dictionary: A Presentation of Method and Material
(Medieval Hebrew Poetry Colloquium, Real Colegio Complutense. Cambridge, MA, USA 2006)
A Dictionary of Piyyut: Methods and Materials
(The VIIIth EAJS Congress, Past and present perspectives in Jewish Studies, The Hotel Cosmos. Moscow, RUSSIA 2006)