- A. K. Upadhyay, A. K. Tiwari, D. Maity: Semi-equivelar Maps, Beiträge zur Algebra und Geometrie, 55(2012), 229-242. http://link.springer.com/article/10.1007/s13366-012-0130-6
- A. K. Tiwari, A. K. Upadhyay: Semi-equivelar maps on the torus and the Klein bottle with few vertices, Accepted (Mathematica Slovaca). http://arxiv.org/abs/1509.07325
- F. H. Lutz, T. Sulanke, A. K. Tiwari, A. K. Upadhyay: Equivelar and d-covered triangulations of surfaces. I, Accepted (Graphs and Combinatorics). http://arxiv.org/abs/1001.2777
Papers Presented in International/National Conferences:
- On d-covered triangulations of closed surfaces, National Conference & Workshop on High Performance Computing & Application, Feb 8-10, 2010, Banaras Hindu university, Varanasi.
- On upper bound for d-covered triangulations of surfaces, Indian mathematical Society, 81(1-4), 2012
- Semi-equivelar maps and d-covered triangulations, National Conference on Recent Advances in Mathematics, December 12-14, 2012, Rani Durgawati University, Jabalpur.
Workshops/ Conferences Attended
- Advance Foundation School (AFS), IISER Pune, December 4-31, 2011.
- Workshop on Introduction to Graph and Geometric Algorithm, NIT Patna, March 26-28, 2011.
- National meet of research scholars, IIT Madrass, October 11-15, 2010.