Abstract
Direct sum decomposition of Abelian groups appears in almost all textbooks on algebra for undergraduate students. This concept plays an important role in group theory. One simple example of this decomposition is obtained by using the kernel and range of a projection map on an Abelian group. The aim in this pedagogical note is to establish a direct sum decomposition of Abelian groups using endomorphisms other than projections.
Citation
Thaheem, A.B. (2005). Direct Sum Decomposition of Groups. International Journal of Mathematical Education in Science and Technology, 36(1), 126-128. Retrieved August 7, 2024 from https://www.learntechlib.org/p/165746/.
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