On Homotopy Types of Alexandroff Spaces Michał Jerzy Kukieła OriginalPaper 02 October 2009 Pages: 9 - 21
When Will Every Maximal F-free Subposet Contain a Maximal Element? Bill SandsJia Shen OriginalPaper 15 December 2009 Pages: 23 - 40
Sharp and Meager Elements in Orthocomplete Homogeneous Effect Algebras Gejza Jenča OriginalPaper 19 December 2009 Pages: 41 - 61
On Order Types of Systems of Segments in the Plane Andrew Suk OriginalPaper 23 January 2010 Pages: 63 - 68
On Chains in H-Closed Topological Pospaces Oleg GutikDušan PagonDušan Repovš OriginalPaper 23 January 2010 Pages: 69 - 81
Small Semigroups Generating Varieties with Continuum Many Subvarieties Charles C. EdmundsEdmond W. H. LeeKen W. K. Lee OriginalPaper 30 January 2010 Pages: 83 - 100