1. Equivelar Toroids with Few Flag-Orbits

   • José Collins
   • Antonio Montero

   OriginalPaper 25 January 2021 Pages: 305 - 330

   

2. Persistent Homology and the Upper Box Dimension

   • Benjamin Schweinhart

   OriginalPaper 13 November 2019 Pages: 331 - 364

   

3. Weighted Lattice Point Sums in Lattice Polytopes, Unifying Dehn–Sommerville and Ehrhart–Macdonald

   • Matthias Beck
   • Paul E. Gunnells
   • Evgeny Materov

   OriginalPaper 27 January 2020 Pages: 365 - 384

   

4. The Six Cylinders Problem: \(\mathbb {D}_{3}\)-Symmetry Approach

   • Oleg Ogievetsky
   • Senya Shlosman

   OriginalPaper 04 March 2019 Pages: 385 - 404

   

5. On the Number of Integer Points in Translated and Expanded Polyhedra

   • Danny Nguyen
   • Igor Pak

   OriginalPaper 07 February 2020 Pages: 405 - 424

   

6. Blockers for Simple Hamiltonian Paths in Convex Geometric Graphs of Odd Order

   • Chaya Keller
   • Micha A. Perles

   OriginalPaper 04 December 2019 Pages: 425 - 449

   

7. Removing Depth-Order Cycles Among Triangles: An Algorithm Generating Triangular Fragments

   • Mark de Berg

   OriginalPaper Open access 23 May 2019 Pages: 450 - 469

   

8. Finding Needles in a Haystack

   • Árpád Kurusa

   OriginalPaper Open access 06 July 2020 Pages: 470 - 475

   

9. A Proof of the Strict Monotone 5-Step Conjecture

   • John Mackenzie Gallagher
   • Walter D. Morris Jr.

   OriginalPaper 10 December 2019 Pages: 476 - 488

   

10. On Extremal Sections of Subspaces of \(L_p\)

    • Alexandros Eskenazis

    OriginalPaper 06 September 2019 Pages: 489 - 509

11. Volumes of Generalized Chan–Robbins–Yuen Polytopes

    • Sylvie Corteel
    • Jang Soo Kim
    • Karola Mészáros

    OriginalPaper 20 February 2019 Pages: 510 - 530

    

12. Semi-regular Tilings of the Hyperbolic Plane

    • Basudeb Datta
    • Subhojoy Gupta

    OriginalPaper 01 December 2019 Pages: 531 - 553

    

13. Quantitative Simplification of Filtered Simplicial Complexes

    • Facundo Mémoli
    • Osman Berat Okutan

    OriginalPaper 30 May 2019 Pages: 554 - 583

    

14. A Short Exposition of Salman Parsa’s Theorems on Intrinsic Linking and Non-realizability

    • Arkadiy Skopenkov

    OriginalPaper 27 November 2019 Pages: 584 - 585