1. General Colored Partition Identities

   • Sun Kim

   OriginalPaper 03 June 2020 Pages: 425 - 438

2. Kostant’s Partition Function and Magic Multiplex Juggling Sequences

   • Carolina Benedetti
   • Christopher R. H. Hanusa
   • Anthony Simpson

   OriginalPaper 29 June 2020 Pages: 439 - 473

   

3. New Reduction Rules for the Tree Bisection and Reconnection Distance

   • Steven Kelk
   • Simone Linz

   OriginalPaper Open access 01 July 2020 Pages: 475 - 502

   

4. Combinatorial Interpretations of Lucas Analogues of Binomial Coefficients and Catalan Numbers

   • Curtis Bennett
   • Juan Carrillo
   • Bruce E. Sagan

   OriginalPaper 02 July 2020 Pages: 503 - 530

   

5. On Inversion Triples and Braid Moves

   • Jozsef Losonczy

   OriginalPaper 02 July 2020 Pages: 531 - 547

6. Ovals in \({\mathbb {Z}}^2_{2p}\)

   • Zofia Stȩpień

   OriginalPaper Open access 02 July 2020 Pages: 549 - 555

   

7. A Noncommutative Cycle Index and New Bases of Quasi-symmetric Functions and Noncommutative Symmetric Functions

   • Jean-Christophe Novelli
   • Jean-Yves Thibon
   • Frédéric Toumazet

   OriginalPaper 31 July 2020 Pages: 557 - 576

   

8. Matching Numbers and the Regularity of the Rees Algebra of an Edge Ideal

   • Jürgen Herzog
   • Takayuki Hibi

   OriginalPaper Open access 07 September 2020 Pages: 577 - 586

   

9. Balanced and Bruhat Graphs

   • Richard Ehrenborg
   • Margaret Readdy

   OriginalPaper 29 August 2020 Pages: 587 - 617

   

10. The Passing of Ron Graham

    OBITUARY 07 September 2020 Pages: 619 - 621