Barbara Majcher-Iwanow Institute of Mathematics University of WrocÂ³aw Pl. Grunwaldzki 2/4 50-384 Wroclaw, Poland e-mail: ivanov@math.uni.wroc.pl  tel.: -48-71-375 74 05, -48-71-375 74 01  fax.: -48-71-375 74 29

My interests : Set theory and Topology. CV

Habilitation:
##### "Orbit equivalence relations of Polish group actions on Polish spaces",
January, 2013, University of Wroc³aw.

## Publications

1. The quarrel theorem - First attempt to the Logic of Lie , Bull.Sect.Logic, 19(1990), 139 -- 146.

2. Orthogonal partitions , Acta Univ. Carolinae. Math. et Phis., 31(1990), 59 -- 63.

3. Dualization of van Douwen diagram , Acta Univ. Carolinae. Math. et Phis., 33(1992), 27 -- 29 (J.Cichoñ, B.Wêglorz).

4. Dualization of the van Douwen diagram , J.Symbolic Logic 65(2000), no. 2, 959 - 968 (J.Cichoñ, A.Krawczyk, B.Wêglorz)

5. Subgroups of $SF(\omega)$ and the relation of almost containedness , 1999 "dvi", "ps".

6. Cardinal invariants of the lattice of partitions , Comm. Math. Univ. Carol. 41,3(2000), 543 - 558

7. Complexity of conjugacy classes of A(Q) , Topology Appl. 128(2003), 173 - 188

8. Inert subgroups of uncountable universal locally finite groups , Comm. Math. Univ. Carol. 44(2003), 615 - 622
9. $G_{\delta}$-pieces of canonical partitions of $G$-spaces , Math. Logic Quarterly, 51(2005), 450 - 461.
10. Equivalence relations induced by some locally compact groups of homeomorphisms of $2^{N}$ , Colloq. Math., 103(2005), 287 - 301.
11. Strong boundedness and algebraically closed groups , Comm. Math. Uni. Carol., 48(2007), 205 - 209.
12. Polish group actions and admissible sets , "ps" (ArXiv:math.LO/0701788, new version: "pdf" )
13. Polish group actions, nice topologies and admissible sets , Math. Logic Quarterly, 54(2008), no.6, 597 - 616
14. Polish group actions and computability , arXiv:0903.1070 (with A.Ivanov)
15. Eventually open actions , Math. Logic Quarterly, 58(2012), no. 1-2, 95 - 104 (is based on arXiv:1003.3258)
16. Polish group actions and effectivity , "pdf" , Archive for Math. Logic, 51(2012), Issue 5-6, 563 - 573 (is based on arXiv: 1104.1681)
A.IWANOW