Zawartość zeszytu 3
Tom 247 / 2019
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On subgroups of first homology Fundamenta Mathematicae 247 (2019) , 217-228 MSC: Primary 14F35; Secondary 03E15. DOI: 10.4064/fm434-3-2019
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Kaleidoscopic groups: permutation groups constructed from dendrite homeomorphisms Fundamenta Mathematicae 247 (2019) , 229-274 MSC: 03E15, 22F50. DOI: 10.4064/fm702-4-2019
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Torsion-free abelian groups are consistently $ {\rm a}\Delta ^1_2$-complete Fundamenta Mathematicae 247 (2019) , 275-297 MSC: Primary 03C55. DOI: 10.4064/fm673-12-2018
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Knot-theoretic ternary groups Fundamenta Mathematicae 247 (2019) , 299-320 MSC: Primary 20N15, 57M25; Secondary 57M27, 03C05, 08A05. DOI: 10.4064/fm611-11-2018
