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math.LO2016★ 22 cited
Homogeneous ideals on countable sets
Adam Kwela, Jacek Tryba
We say that an ideal I is homogeneous, if its restriction to any I-positive subset is isomorphic to I. The paper investigates basic properties of this notion -- we give examples of…
math.GN2016★ 6 cited
Ideal equal Baire classes
Adam Kwela, Marcin Staniszewski
For any Borel ideal we characterize ideal equal Baire system generated by the families of continuous and quasi-continuous functions, i.e., the families of ideal equal limits of seq…