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Exponential automorphisms of polynomial algebras |
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| Authors: | Vesselin Drensky Jie Tai Yu |
| Institution: | 1. Institute of Mathematics and Informatics , Bulgarian Academy of Sciences , Akad. G. Bonchev Str., Block 8, Sofia, Bulgaria, 1113 E-mail: Drensky@banmatpc.math.acad.bg and drensky@bgearn.acad.bg;2. Department of Mathematics , The University of Hong Kong , Pokfulam Road, Hong Kong E-mail: yujt@hkusua.hku.hk |
| Abstract: | |
| Keywords: | Cycles Finite dynamical systems Graph of a map Trees |