Download or read book Mathematical Combinatorics, Vol. 3/2008 written by Linfan Mao and published by Infinite Study. This book was released on with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers on Extending Homomorphism Theorem to Multi-Systems, A Double Cryptography Using the Smarandache Keedwell Cross Inverse Quasigroup, the Time-like Curves of Constant Breadth in Minkowski 3-Space, Actions of Multi-groups on Finite Sets, and other topics. Contributors: Linfan Mao, Zhongfu Zhang, Enqiang Zhu, Baogen Xu, S. Arumugam, I. Sahul Hamid, A.P. Santhakumaran, S.V. Ullas Chandran, M.M.M. Jaradat, M.F. Janem, A.J. Alawneh, and others.