Springer Nature, an international scholarly publisher, examined the number of collaborative studies by city in the world and found that Tokyo was second only to Paris in France.At the center is the University of Tokyo, which accounts for one-eighth of the partnerships established in Tokyo in 2.
The survey shows the locations of the institutions and individuals who are collaborating on the articles published in 68 natural science journals included in the database "Nature Index", which is a database of the world's top-level articles by country and institution, by city. Classified.
According to it, the city with the highest number was Paris, with 1,932 cases.Tokyo came in second with 920 cases.The University of Tokyo has published the largest number of joint research papers in Tokyo.Since Yoshinori Tokura, a graduate of the University of Tokyo, was appointed as the director of the RIKEN Center for Emerging Science and Innovation, joint research with RIKEN was conspicuous.
In recent years, joint research by researchers from multiple countries has become popular.Co-authored papers by researchers from multiple countries accounted for 2015% of the total in 43 in the Nature Index.Springer Nature analyzes that international cooperation is becoming essential for quality research.Of these, high-quality research often comes from partnerships between researchers in the same city, and it seems that not only geographical proximity but also the depth of social and organizational ties have an effect.
At the national level, the United States and China have the strongest partnership, with Japan and the United States ranked seventh in the world.