She wrote a book, Division and Integration in Europe, Nationalism and Border in the Enlarged EU—Inclusion or Exclusion, Chuokoronshinsya, 2016.

[citation needed] She was influenced by Joseph Nye, Eric Hobsbawm, Michael Mann, and Anthony Giddens.

Her analysis is unique enough, analyzing from periphery and borders, investigating Power Shift from Western Modernization to East Asian Collaboration, and Democracy's instability.

She published 57 books [1] including co-author and co-writer and more than 160 articles, especially on Asian regionalism, immigrants and refugee questions, the European Union-NATO, and Visegrad countries, democratization, nationalism and xenophobia.

[citation needed] Her recent research is Democracy's instability and Populism, like BREXIT and Trump Presidential election, Power Shift, National and trans-regional cooperation and the role of the United States of America.