Fingerprint The fingerprint is based on mining the text of the scientific documents related to the associated persons. Based on that an index of weighted terms is created, which defines the key subjects of research unit

Graph in graph theory Mathematics
Approximability Mathematics
L(2, 1)-labeling Mathematics
decomposition analysis Earth & Environmental Sciences
Japan Business & Economics
Approximation Algorithms Mathematics
Vertex of a graph Mathematics
Polynomial time Mathematics

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 1985 2019

Accounts payable and firm value: International evidence

Nam, H. & Uchida, K., May 1 2019, In : Journal of Banking and Finance. 102, p. 116-137 22 p.

Research output: Contribution to journalArticle

Legal origin
Global financial crisis
Firm value
Long-term orientation
Uncertainty avoidance

An extension of Chubanov’s algorithm to symmetric cones

Lourenço, B. F., Kitahara, T., Muramatsu, M. & Tsuchiya, T., Jan 23 2019, In : Mathematical Programming. 173, 1-2, p. 117-149 33 p.

Research output: Contribution to journalArticle

Symmetric Cone
Semidefinite Programming
Second-order Cone Programming

A Simple Projection Algorithm for Linear Programming Problems

Kitahara, T. & Sukegawa, N., Jan 15 2019, In : Algorithmica. 81, 1, p. 167-178 12 p.

Research output: Contribution to journalArticle

Projection Algorithm
Linear programming
Newton-Raphson method
Newton Methods

Activities 2001 2017

The Society of Socio-Informatics (SSI) (External organisation)

Akihiko Shinozaki (Chair)
Jun 2017 → …

Activity: Membership typesMembership of board

Ministry of Internal Affairs and Communications, JAPAN (External organisation)

Akihiko Shinozaki (Chair)
Oct 2016 → …

Activity: Membership typesMembership of board

Center for Global Communications, International University of Japan

Akihiko Shinozaki (Visiting researcher)
Apr 2015 → …

Activity: Visiting an external institution typesVisiting an external academic institution


economic impact
social science