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IKEZAWA Takumi
Graduate School of Intercultural Studies / Department of Culture and Globalization
Associate Professor

Researcher basic information

■ Research Keyword
  • Slavic languages
  • Language contact
■ Research Areas
  • Humanities & social sciences / Linguistics / Language contact
■ Committee History
  • Dec. 2025 - Present, Japan Association for the Study of Russian Language and Literature, 2026 Conference Organizing Committee

Research activity information

■ Award
  • Apr. 2026 The University of Tokyo, The 7th UTokyo Jiritsu Award for Early Career Academics
    Takumi Ikezawa
    Others
    IRI

■ Paper
  • Takumi IKEZAWA
    The Japan Society for the Study of Slavic Languages and Literatures, Mar. 2026, Slavia Iaponica, 29, 85 - 103, Japanese, Domestic magazine
    [Refereed]
    Symposium

  • Takumi IKEZAWA
    Department of Slavic Languages and Literatures, Graduate School of Letters, Kyoto University, Dec. 2023, Slavica Kiotoensia, 3, 160 - 189, Japanese
    [Refereed]
    Research institution

  • IKEZAWA Takumi
    Oct. 2023, Slavistika: Annual Report of the Department of Slavic Languages and Literatures, Graduate School of Humanities and Sociology, The University of Tokyo, 37, 37 - 60, Japanese
    [Refereed]
    Research institution

  • Takumi IKEZAWA
    Department of Slavic Languages and Literatures, Graduate School of Letters, Kyoto University, Dec. 2022, Slavica Kiotoensia, 2, 157 - 184, English
    [Refereed]
    Research institution

  • IKEZAWA Takumi
    May 2022, Slavistika: Annual Report of the Department of Slavic Languages and Literatures, Graduate School of Humanities and Sociology, The University of Tokyo, 36, 85 - 102, English
    [Refereed]
    Research institution

  • T. Ikezawa
    This article examines the widespread social perception of the linguistic characteristics of Ukrainian, Russian languages and Surzhyk, which is commonly known as a mixed language of the two. The aim of this article is to establish a common interpretation of their forms and uses from a sociolinguistic perspective to clarify their perceived valuation in the situation of language contact. We rely especially on the theories of sociolinguistic representations and language majoration and minoration, elaborated in the French sociolinguistics, which allows us to have a clear view of the dynamic system within the multilingual communities. This study gives a detailed analysis of journalistic articles dedicated to language issues in Ukraine published on the internet, for gaining a broad and topical sets of data. Our results show that there exists a complex relation between the mixed language and the two languages, where on the one hand Surzhyk is interpretated to be constructed from the Ukrainian and Russian languages, while on the other hand, the illiterateness of its speakers is emphasized. Furthermore, we see that speaking Surzhyk could in fact be more negatively perceived than speaking Russian, since it has the potential to pose a threat to the existence of the Ukrainian language.
    Poltava V. G. Korolenko National Pedagogical University, Dec. 2021, Philological Studies (Poltava V. G. Korolenko National Pedagogical University), 34, 65 - 73, Russian
    [Refereed]
    Research institution

■ MISC
  • Constantine the Philosopher "Proglas" (Translation from Church Slavonic)
    Takumi Ikezawa
    10 Dec. 2025, Syunbyou, 3, 23 - 31, Japanese
    Introduction commerce magazine

  • IKEZAWA Takumi, KATSUMATA Natsumi, KAMAKURA Keigo
    Mar. 2025, Slavistika: Annual Report of the Department of Slavic Languages and Literatures, Graduate School of Humanities and Sociology, The University of Tokyo, 38-39, 85 - 107, Japanese
    Book review

  • IKEZAWA Takumi
    Mar. 2025, Slavistika: Annual Report of the Department of Slavic Languages and Literatures, Graduate School of Humanities and Sociology, The University of Tokyo, 38-39, 73 - 83
    Book review

  • Constantine of Preslav "Prologue to the Gospel Homiliary" (Translation from Church Slavonic)
    Takumi Ikezawa
    15 Feb. 2025, Syunbyou, 2, 6 - 9, Japanese
    Introduction commerce magazine

  • Klymentiy Zynoviiv "Praise Poem for Drinkers" (Translation from Old Ukrainian)
    Takumi Ikezawa
    10 Oct. 2023, Syunbyou, 1, 10 - 12, Japanese
    Introduction commerce magazine

  • IKEZAWA Takumi
    07 Oct. 2023, Slavistika: Annual Report of the Department of Slavic Languages and Literatures, Graduate School of Humanities and Sociology, The University of Tokyo, 37, 111 - 120, Japanese
    Meeting report

■ Books And Other Publications
  • Challenges of Ukrainian Culture Beyond Turbulent Times
    Mitsuharu Akao, Yoshinari Harada
    Contributor, Chapter 13 "The Linguistic Background of Russia's Invasion of Ukraine", Genki Shobo, Nov. 2025, ISBN: 9784864883351

■ Lectures, oral presentations, etc.
  • Literary Language and Colloquial Speech as Labels in East Slavic Metalinguistic Discourse
    Takumi Ikezawa
    30th International Conference of the Association of Slavists "Polyslav": "Contemporary Trends in the Development of Slavic Studies: Language, Literature, Culture, History", Sep. 2026, English, Association of Slavists "Polyslav", Eötvös Loránd University, Institute of Slavonic and Baltic Philology, Hungary, International conference
    Oral presentation

  • Administrative Meta-Linguistic Discourses in Ukraine’s Language Ombudsman Reports
    IKEZAWA Takumi
    The 13th East Asian Conference on Slavic Eurasian Studies, May 2026, English, Fukuoka International Congress Center, Japan, International conference
    Public symposium

  • Examining the Effectiveness of POS-tagging Tools in Local Environments: Using the Works of Klymentiy Zynoviiv
    Takumi Ikezawa
    2025 The Japan Society for the Study of Slavic Languages and Literatures Research Presentation Meeting, Mar. 2026, Japanese, The Japan Society for the Study of Slavic Languages and Literatures, Hongo Campus, The University of Tokyo, Japan, Domestic conference
    Oral presentation

  • The History of the Ukrainian Language from a Sociolinguistic Perspective
    Takumi IKEZAWA
    International Symposium "Ukrainian Culture and Education - Report from the Frontline"", Nov. 2025, English, Hiyoshi Campus, Keio University, Japan, International conference
    [Invited]
    Public discourse

  • Understanding "Gentle Ukrainization": An Analysis of Discourses on the Promotion of the Ukrainian Language
    IKEZAWA Takumi
    75rd Annual Assembly of the Japan Association for the Study of Russian Language and Literature, Oct. 2025, Japanese, Japan Association for the Study of Russian Language and Literature, Komaba Campus, The University of Tokyo, Japan, Domestic conference
    Oral presentation

  • The Concept of "Prostorichchia": A Meta-analytical Perspective on Language Variant Terminology in Ukrainian
    Takumi Ikezawa
    XXIX Annual Scientific Conference of Slavists "Polyslav": Slavic Studies in Multilingual Space: Language, Literature, Culture, History, Sep. 2025, English, Association of Slavists "Polyslav", University of Warsaw, Poland, International conference
    Oral presentation

  • The Concept of "Titular Nation" in the Ukrainian Constitutional Court’s Decision on the Language Law
    Takumi Ikezawa
    Joint Summer Seminar “Aspects of Linguistic and Cultural Studies of Russia and Eastern Europe” (The University of Tokyo, Kyoto University, Waseda University, Tokyo University of Foreign Studies, Kobe City University of Foreign Studies), Aug. 2025, Japanese, Hongo Campus, The University of Tokyo; Yoshida Campus, Kyoto University, Japan
    Oral presentation

  • Representations, Discourses, and Ideologies on Languages in Post-Maidan Ukraine
    Takumi Ikezawa
    2025 Spring Research Meeting of Kanto-Tohoku Branch, Japan Association for the Study of Russian Language and Literature, Jun. 2025, Japanese, Hongo Campus, The University of Tokyo, Japan, Domestic conference
    Oral presentation

  • The Evolution of the "State Language" Ideology in Post-Independence Ukraine
    Takumi Ikezawa
    Annual Meeting, Mini-Symposium, Lecture of the Japan Society for the Study of Slavic Languages and Literatures, May 2025, Japanese, The Japan Society for the Study of Slavic Languages and Literatures, Senshu University, Japan, Domestic conference
    [Invited]
    Oral presentation

  • Linguistic Background of Russian Invasion of Ukraine
    Takumi Ikezawa
    Symposium "Challenges of Ukrainian Culture: Beyond Turbulent Times", Feb. 2024, Japanese, Keio University Hiyoshi Campus, Japan
    [Invited]
    Public discourse

  • Metalinguistic Discourse on Ukrainian and Russian Languages in Ukrainian Social Media under the Ongoing War
    IKEZAWA Takumi
    73rd Annual Assembly of the Japan Association for the Study of Russian Language and Literature, Oct. 2023, Japanese, Japan Association for the Study of Russian Language and Literature, University of Toyama, Japan, Domestic conference
    Oral presentation

  • Linguistic Terminology in Ukrainian Media Discourse: What is Meant by State, Official, National Language or Dialects?
    Takumi Ikezawa
    17th Annual Meeting of the Slavic Linguistics Society, Sep. 2022, English, Slavic Linguistics Society, Slavic-Eurasian Research Center, Hokkaido University, Japan, International conference
    Oral presentation

  • Changes in Language Image in the Ukrainian Media Following the Military Invasion of the Russian Federation
    Takumi Ikezawa
    Nakamura-Suzukawa Fellowship Research Presentation, Aug. 2022, Japanese, Slavic-Eurasian Research Center, Hokkaido University, Slavic-Eurasian Research Center, Hokkaido University, Japan
    Public discourse

  • "Antisurzhyk" as Modern Example of Linguistic Purism in Ukraino-Russian Language Contact
    Takumi Ikezawa
    50th L. A. Verbitskaya International Scientific Philological Conference, Mar. 2022, Russian, Faculty of Philology, Saint-Petersburg State University, International conference
    Oral presentation

  • Formation of Alterity Through Representations of Ukrainian, Russian and Surzhyk within the Ukrainian Linguistic Ideology
    Takumi Ikezawa
    71th Annual Assembly of the Japan Association for the Study of Russian Language and Literature, Oct. 2021, Japanese, Japan Association for the Study of Russian Language and Literature, University of Tsukuba (Online), Japan, Domestic conference
    Oral presentation

  • Sociolinguistic Representations Concerning Language Form and Usage in Ukrainian Media Discourse
    Takumi Ikezawa
    Russian Studies Group "Mokujikai" Regular Meeting, Sep. 2021, Japanese, Russian Studies Group "Mokujikai", Online, Japan, Domestic conference
    Oral presentation

■ Affiliated Academic Society
  • The Japan Society for the Study of Slavic Languages and Literatures
    Jun. 2024 - Present

  • The Japan Association for Russian and East European Studies
    Oct. 2022 - Present

  • Slavic Linguistics Society
    Jul. 2022 - Present

  • Japan Association for the Study of Russian Language and Literature
    Jul. 2021 - Present

  • Russian Studies Group "Mokujikai"
    Apr. 2021 - Present

■ Research Themes
  • Takumi Ikezawa
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for JSPS Fellows, Sophia University, Apr. 2025 - Mar. 2028, Principal investigator
    Competitive research funding

  • Derussification and Reukrainization: Bifocality of Linguistic Ideology in Modern Ukraine
    Takumi Ikezawa
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for JSPS Fellows, University of Tokyo, Apr. 2022 - Mar. 2024, Principal investigator

  • Changes in Language Image in Ukraine Following the Military Invasion of the Russian Federation
    Takumi Ikezawa
    Slavic-Eurasian Research Center, Hokkaido University, Nakamura-Suzukawa Fellowship, Slavic-Eurasian Research Center, Hokkaido University, Aug. 2022 - Aug. 2022, Principal investigator

■ Social Contribution Activities
■ Academic Contribution Activities
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