Publications


1: A. K. Upadhyay, A. K. Tiwari, D. Maity: Semi-equivelar Maps, Beiträge zur Algebra und Geometrie, 55(2012), 229-242. Link

2: A. K. Tiwari, A. K. Upadhyay: Semi-equivelar maps on the surface of Euler characteristic -1, Note di Matematica, 37(2017), 2(91-102). Link

3: A. K. Tiwari, A. K. Upadhyay: Semi-equivelar maps on the torus and the Klein bottle with few vertices, Mathematica Slovaca, 67(2017), 1(1-14). Link

4: A. K. Tiwari, A. Tripathi, Y. Singh, P. Gupta: Doubly semi-equivelar maps on the torus and the Klein bottle, Journal of Mathematics, 2020. Link

5: A. K. Tiwari, A. K. Tripathi, Almost semi-equivelar maps on torus and Klein bottle. J. Math. Combin. 4(2021),(34-40).PDF

6: Y. Singh, A. K. Tiwari, Doubly semi-equivelar maps on the plane and the torus. AKCE International J of Graphs and Combinatorics, 3(2022), 296-310 Link

7: F. H. Lutz, T. Sulanke, A. K. Tiwari, A. K. Upadhyay: Equivelar and d-covered triangulations of surfaces. I, Accepted (Graphs and Combinatorics). PDF

8: Y. Singh, A. K. Tiwari, Enumeration of some doubly semi-equivelar maps on Klein bottle, Indian J. Pure and Applied Math. Link.

9: A. K. Tiwari, Y. Singh, A. Tripathi, 2-semi equivelar maps on the torus and Klein bottle with few vertices, Communications in Combinatorica and Optimization Link.