1. Antichain Cutsets of Strongly Connected Posets

   • Stephan Foldes
   • Russ Woodroofe

   OriginalPaper 20 April 2012 Pages: 351 - 361

2. Associativity, Commutativity and Symmetry in Residuated Structures

   • Maria Emilia Della Stella
   • Cosimo Guido

   OriginalPaper 28 February 2012 Pages: 363 - 401

3. The Relationship of Partial Metric Varieties and Commuting Powers Varieties

   • Michael R. Darnel
   • W. Charles Holland
   • Homeira Pajoohesh

   OriginalPaper 16 February 2012 Pages: 403 - 414

4. Automorphism Groups of Countably Categorical Linear Orders are Extremely Amenable

   • François Gilbert Dorais
   • Steven Gubkin
   • Manuel Rivera

   OriginalPaper 07 March 2012 Pages: 415 - 426

5. Counting Maximal Antichains and Independent Sets

   • L. Ilinca
   • J. Kahn

   OriginalPaper 09 March 2012 Pages: 427 - 435

6. Optimal Factorization of Three-Way Binary Data Using Triadic Concepts

   • Radim Belohlavek
   • Cynthia Glodeanu
   • Vilem Vychodil

   OriginalPaper 10 March 2012 Pages: 437 - 454

7. Numerical Representation of Semiorders

   • Asier Estevan
   • Javier Gutiérrez García
   • Esteban Induráin

   OriginalPaper 10 March 2012 Pages: 455 - 462

8. A Hierarchy of Chains Embeddable into the Lexicographic Power \(\boldsymbol{({\mathbb{R}}^\omega,\prec_{\rm lex})}\)

   • Alfio Giarlotta
   • Stephen Watson

   OriginalPaper 18 March 2012 Pages: 463 - 485

9. Complementation in the Lattice of Locally Convex Topologies

   • Thomas A. Richmond

   OriginalPaper 28 March 2012 Pages: 487 - 496

10. Sheaves of Abelian l-groups

    • Niels Schwartz

    OriginalPaper 07 June 2012 Pages: 497 - 526

11. Musings about the Triple Representation Theorem for Effect Algebras

    • Josef Niederle
    • Jan Paseka

    OriginalPaper 06 April 2012 Pages: 527 - 539

12. Increasing Selections from Increasing Multifunctions

    • Nikolai S. Kukushkin

    OriginalPaper 06 April 2012 Pages: 541 - 555

13. Parametrized Arity Gap

    • Miguel Couceiro
    • Erkko Lehtonen
    • Tamás Waldhauser

    OriginalPaper 21 April 2012 Pages: 557 - 572

14. Prelinear Algebras in Relatively Regular Quasivarieties

    • C. J. van Alten

    OriginalPaper 11 May 2012 Pages: 573 - 583

15. Three Layer Q ₂-Free Families in the Boolean Lattice

    • Jacob Manske
    • Jian Shen

    OriginalPaper 12 May 2012 Pages: 585 - 592

16. On-Line Dimension of Semi-Orders

    • Bartłomiej Bosek
    • Kamil Kloch
    • Piotr Micek

    OriginalPaper Open access 15 June 2012 Pages: 593 - 615

17. Recognition of Lattice-Ordered Matrix Rings

    • Jingjing Ma

    OriginalPaper 27 May 2012 Pages: 617 - 623

18. Semi-Heyting Algebras Term-equivalent to Gödel Algebras

    • Manuel Abad
    • Juan Manuel Cornejo
    • José Patricio Díaz Varela

    OriginalPaper 04 June 2012 Pages: 625 - 642

19. A Four for the Price of One Duality Principle for Distributive Spaces

    • Dirk Hofmann

    OriginalPaper 05 July 2012 Pages: 643 - 655

20. Differential Posets have Strict Rank Growth: A Conjecture of Stanley

    • Alexander R. Miller

    OriginalPaper 29 June 2012 Pages: 657 - 662

21. Generation and Enumeration of Some Classes of Interval Orders

    • F. Disanto
    • E. Pergola
    • S. Rinaldi

    OriginalPaper 07 July 2012 Pages: 663 - 676

22. Upper Maximal Graphs of Posets

    • Yusuf Civan

    OriginalPaper 12 August 2012 Pages: 677 - 688

23. Slim Semimodular Lattices. II. A Description by Patchwork Systems

    • Gábor Czédli
    • E. Tamás Schmidt

    OriginalPaper 29 August 2012 Pages: 689 - 721