1. Jónsson posets and unary Jónsson algebras

   • Keith A. Kearnes
   • Greg Oman

   OriginalPaper 31 January 2013 Pages: 101 - 112

2. Boolean-like algebras

   • Antonino Salibra
   • Antonio Ledda
   • Tomasz Kowalski

   OriginalPaper 31 January 2013 Pages: 113 - 138

3. Equational type characterization for σ-complete MV-algebras

   • Hector Freytes

   OriginalPaper 31 January 2013 Pages: 139 - 166

4. Tolerances as images of congruences in varieties defined by linear identities

   • Ivan Chajda
   • Gábor Czédli
   • Paolo Lipparini

   OriginalPaper 31 January 2013 Pages: 167 - 169

5. Many-sorted and single-sorted algebras

   • Anna Mućka
   • Anna B. Romanowska
   • Jonathan D. H. Smith

   OriginalPaper Open access 09 March 2013 Pages: 171 - 190

6. A note on the number of subquantales

   • Shengwei Han
   • Bin Zhao
   • Shunqin Wang

   OriginalPaper 01 February 2013 Pages: 191 - 200