以下の2編の論文が英文論文誌Algorithmicaに採択されました．

• Peng Zhang, Yao Xu, Tao Jian, Angsheng Li, Guohui Lin, Eiji Miyano. Improved approximation algorithms for the maximum happy vertices and edges problems. Algorithmica, Vol.80, No.5, pp.1412-1438 (May, 2018). DOI:10.1007/s00453-017-0302-8
• Yuichi Asahiro, Yuya Doi, Eiji Miyano, Kazuaki Samizo, Hirotaka Shimizu. Optimal approximation algorithms for maximum distance-bounded subgraph problems. Algorithmica, Vol.80, No.6, pp.1834-1856 (June, 2018). DOI:10.1007/s00453-017-0344-y