Preprints and publications 

1. Pair-splitting, pair-reaping and cardinal invariants of &F_\sigma$-ideals ,   (joint with   D. Meza-Alcántara and H. Minami), Submitted to JSL. (Probably not the final version)
   
   
2. Selections and weak orderability ,   (joint with   I. Martínez-Ruiz), Submitted to Fund. Math. (Probably not the final version)
   
   
3. Countable Fréchet Boolean groups: An independence result ,   (joint with   J. Brendle), Accepted to JSL.
   
   
4. Forcing with quotients,   (joint with   M. J. Zapletal), Accepted to Arch. Math. Logic.
   
   

1. Ultrafilters and non-Cantor minimal sets in linearly ordered dinamical system,   (joint with   M. Sanchis and A. Tamariz-Mascarúa), Arch. Math. Logic 47   (2008), 193--203.
   
   
2. El lema del conjunto libre y definibilidad,   (joint with   J.A.Amor and D. Meza-Alcántara), Aportaciones matemáticas, Memorias 37   (2007), 3--9.
   
   
3. Completely separable MAD families,   (joint with   P. Simon), Open problems in Topology II   (2007), 179--184
   
   
4. Twenty problems in set-theoretic topology,   (joint with  J. T. Moore ), Open problems in topology II   (2007), 111--113.
   
   
5. Pseudocompactness of hyperspaces,   (joint with   F. Hernández-Hernández and I. Martínez-Ruiz), Topology Appl. 154   (2007), no 17, 3048--3055.
   
   
6. Cardinal invariants of analytic $P$-ideals,   (joint with   F. Hernández-Hernández ), Canad. J. Math. 59   (2007), no 3, 575--595.
   
   
7. Some remarks on non-special coherent Aronszajn trees,   (joint with   C.A. Martínez-Ranero), Acta Univ. Carolin. Math. Phys. 46   (2005), no 2, 33--40.
   
   
8. On a class of pseudocompact spaces derived from ring epimorphisms ,   (joint with   R. Raphael and R.G. Woods), Topology Appl. 153   (2005), no 4, 541--556
   
   
9. $Q$-sets and normality of $\Psi$-spaces ,   (joint with   F. Hernández-Hernández ), Topology Proc. 29   (2005), no 1, 155--165
   
   
10. A countable dense homogeneous set of reals of size $\aleph \sb 1$ ,   (joint with   I. Farah and C.A. Martínez Ranero), Fund. Math. 186   (2005), no 1, 71--77
    
    
11. Countable dense homogeneity of definable spaces ,   (joint with   B. Zamora-Aviles), Proc. Amer. Math. Soc. 133   (2005), no 11, 3429--3435
    
    
12. Distributivity of the algebra of open subsets of $\betaR \setminus R $ ,   (joint with   B. Balcar), Topology and its Aplications 149   (2005), no 1-3, 1--7
    
    
13. Ultrafilters, monotone functions and pseudocompacness ,   (joint with   M. Sanchiz and A. Tamariz-Mascarúa), Archive of Mathematical Logic 44   (2005), no 2, 131--157
    
    
14. Spaces of continuous functions defined on Mrówka spaces ,   (joint with   P.J. Szeptycki and A. Tamariz-Mascarúa), Topology and its Applications 148   (2005), no 1-3, 239--252
    
    
15. Combinatorics of dense subsets of the rationals,  (joint with  B. Balcar and F. Hernández-Hernández ), Fund. Math. 183  (2004), 59--80
    
    
16. Parametrized $\diamondsuit$-principles, (joint with J. T. Moore and M. Dzamonja), Transactions of AMS  356  (2004),  2281--2306
    
    
17. Ordering MAD families a la Katetov, (joint with S. García Ferreira), Journal of Symbolic Logic  68  (2003),  no. 4, 1337--1353
    
    
18. Embeddings into ${\cal P}( N)/fin$ and extension of automorphisms, (joint with A, Bella, A. Dow, K. P. Hart, J. van Mill and P. Ursino),
    Fund. Math. 174  (2002) 271--284
    
    
19. Life in the Sacks model, Acta Univ. Carolin. Math. Phys. 42 no. 2  (2001),  43--58
    
20. Selections on $\Psi$-spaces, (joint with P. J. Szeptycki y  A. H. Tomita), Comment. Math. Univ. Carolin.  42 no. 4 (2001), 763--769
    
    
21. MAD families and the rationals, Comment. Math. Univ. Carolin. 42 (2001) 345--352. The paper contains some rather serious errors, see the paper of Brendle and Yatabe for rectification.
    
22. Cardinal invariants related to sequential separability. Axiomatic set theory (Japanese) (Kyoto, 2000), (joint with J. Steprans)
    Surikaisekikenkyusho Kokyuroku No. 1202 (2001), 66--74
    
23. Cofinitary groups, almost disjoint and dominating families. (joint with J. Steprans and Y. Zhang), Journal of Symbolic Logic 66 (2001), 1259--1276
    
    
24. Another $\diamondsuit$-like principle, Fund. Math. 167  (2001), 277--289
    
    
25. Selectivity of almost disjoint families, Acta Univ. Carolin. 41 no.2 (2000), 13--21
    
    
26. Automorphism groups of complements of points, Acta Univ. Carolin. Math. Physics  35  no. 2,  (1994) 23-31