
Sweden, Japan, and the Long Second World War
Lottaz, P. & Ottosson, I. Sweden, Japan, and the Long Second World War 1931–1945. Routledge, 2021.
NEUTRALITY STUDIES · KYOTO UNIVERSITY
Associate Professor
Kyoto University — Graduate School of Law & Hakubi Center for Advanced Research
Director, Neutrality Studies
Neutrality in international relations · Diplomatic history · East Asia
Dr. Pascal Lottaz is an Associate Professor at Kyoto University where he investigates neutrality in international relations and directs the research network neutralitystudies.com. He received his MA and PhD from the National Graduate Institute for Policy Studies (GRIPS), in Tokyo, and previously researched and taught at Waseda University and Temple University (Japan Campus). His recent books include Sweden, Japan, and the Long Second World War (Routledge, 2022), Neutral Beyond the Cold: Neutral States and the Post-Cold War International System (Lexington Books, 2022), and Notions of Neutralities (Lexington Books, 2019). He also wrote the articles "Neutrality Studies" for the Oxford Research Encyclopedia of International Studies and "The Politics and Diplomacy of Neutrality" for Oxford Bibliographies.
Research & funding: Neutrality Studies, International Relations, Diplomacy Studies, History of the Second World War
Organised international conferences in Madrid (2017), Washington DC (2019), Tokyo (2019), Vienna (2020) and Kyoto (2024, 2026). Kyoto 2026

Lottaz, P. & Ottosson, I. Sweden, Japan, and the Long Second World War 1931–1945. Routledge, 2021.

Lottaz, P. & Iwama, Y. (eds). Neutral Europe and the Creation of the Nonproliferation Regime, 1958–1968. Routledge, 2023.

Lottaz, P., Gärtner, H. & Reginbogin, H. (eds). Neutral Beyond the Cold: Neutral States and the Post-Cold War International System. Lexington Books, 2022.

Reginbogin, H. & Lottaz, P. (eds). Permanent Neutrality: A Model for Peace, Security, and Justice. Lexington Books, 2020.

Lottaz, P. & Reginbogin, H. (eds). Notions of Neutralities. Lexington Books, 2019.
Nishikawa-Pacher, A. & Lottaz, P. “Permanent Neutrality: A Systems-Theoretical Interpretation.” Cooperation and Conflict, 2025.

Lottaz, P. “Taiwan and the Necessity of Imagining Peace.” F1000Research 14:246, 2025.

Lottaz, P. “The Future of Neutrality.” GCSP Policy Brief no. 4, 2023.
Lottaz, P. & Gärtner, H. “Dual-Neutrality for the Koreas.” Defense & Security Analysis 38(3), 2022.
Lottaz, P. “The Politics and Diplomacy of Neutrality.” Oxford Bibliographies in International Relations, 2022.
Lottaz, P. “Neutrality Studies.” Oxford Research Encyclopedia of International Studies, 2022.