1. Algebraically closed algebras in certain small congruence distributive varieties

   • P. Ouwehand

   OriginalPaper 29 August 2009 Article: 247

2. Medial groupoid varieties defined by infinite cyclic groups

   • David Kelly

   OriginalPaper 03 September 2009 Article: 227

3. Simple equations on real intervals

   • Walter Taylor

   OriginalPaper 29 August 2009 Article: 213

4. A generalization of the Jaffard–Ohm–Kaplansky Theorem

   • Wolf Iberkleid
   • Warren Wm. McGovern

   OriginalPaper 29 August 2009 Article: 201

5. Reflexive relations on algebras with Boolean lattice reducts

   • John W. Snow

   OriginalPaper 28 August 2009 Article: 195

6. Effect algebras with the maximality property

   • Josef Tkadlec

   OriginalPaper 29 August 2009 Article: 187

7. Algebraically expandable classes

   • Miguel Campercholi
   • Diego Vaggione

   OriginalPaper 29 August 2009 Article: 151

8. Every effect algebra can be made into a total algebra

   • I. Chajda
   • R. Halaš
   • J. Kühr

   OriginalPaper 29 August 2009 Article: 139