Ray Pörn

According to our database, Ray Pörn authored at least 5 papers between 1998 and 2022.

Collaborative distances:

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

2022

Pupil-Robot Interaction in a Math Card Game: An Iterative Process of Studying the Use of Social Robotics in Primary School Math Education.

Mattias Wingren, Mats Braskén, Ray Pörn, Sören Andersson

Proceedings of the Robotics in Education, 2022

A Case Study on Programming in Finnish General Upper Secondary Education.

Markus Norrby, Niklas Palmberg, Ray Pörn

Proceedings of the Koli Calling '22: 22nd Koli Calling International Conference on Computing Education Research, 2022

2009

MINLP: Trim-loss Problem.

Iiro Harjunkoski, Ray Pörn, Tapio Westerlund

Proceedings of the Encyclopedia of Optimization, Second Edition, 2009

2008

Global solution of optimization problems with signomial parts.

Ray Pörn, Kaj-Mikael Björk, Tapio Westerlund

Discret. Optim., 2008

1998

Different transformations for solving non-convex trim-loss problems by MINLP.

Iiro Harjunkoski, Tapio Westerlund, Ray Pörn, Hans Skrifvars

Eur. J. Oper. Res., 1998