Kohei Okada

According to our database, Kohei Okada authored at least 6 papers between 2003 and 2018.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2018

In-Situ Observation of Fracture Behavior of Silicon in a Transmission Electron Microscope.

Kohei Okada, Syugo Tanaka, Kensuke Nakata, Masahiro Nakajima, Taeko Ando

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2018

2017

Size effect on crack propagation of nano-scale silicon with different type of nothes.

Kohei Okada, Shinya Nakamura, Masahiro Nakajima, Taeko Ando

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2017

2007

Approximating the minmax rooted-tree cover in a tree.

Hiroshi Nagamochi, Kohei Okada

Inf. Process. Lett., 2007

New Optical VPN Configuration using Wavelength Routers in a WDM-Passive Optical Network.

Kimio Oguchi, Kohei Okada, Shohei Terada, Kunio Tojo

Proceedings of the 16th International Conference on Computer Communications and Networks, 2007

2004

A faster 2-approximation algorithm for the minmax p-traveling salesmen problem on a tree.

Hiroshi Nagamochi, Kohei Okada

Discret. Appl. Math., 2004

2003

Polynomial Time 2-Approximation Algorithms for the Minmax Subtree Cover Problem.

Hiroshi Nagamochi, Kohei Okada

Proceedings of the Algorithms and Computation, 14th International Symposium, 2003