M. Alom, A. Moody, N. Maruyama, B. Van Essen, and T. Taha. (2018)cite arxiv:1802.02615Comment: 8 pages, 23 figures,Submitted to International Joint Conference on Neural Networks (IJCNN) 2018.
C. Cheng, G. Nührenberg, C. Huang, and H. Ruess. (2017)cite arxiv:1710.03107Comment: Version 2: add proofs for hardness of PTAS approximability, remove experiments on randomized examples and some not-so-important optimizations.