
arXiv: 1809.04627
A protorus is a compact connected abelian group. We use a result on finite rank torsion-free abelian groups and Pontryagin Duality to considerably generalize a well-known factorization of a finite-dimensional protorus into a product of a torus and a torus-free complementary factor. We also classify by types the solenoids of Hewitt and Ross.
6 pages
FOS: Mathematics, Group Theory (math.GR), Mathematics - Group Theory, 20K15, 20K20, 20K25, 22B05, 22C05, 22D35
FOS: Mathematics, Group Theory (math.GR), Mathematics - Group Theory, 20K15, 20K20, 20K25, 22B05, 22C05, 22D35
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