1. Open Problems on Billiards and Geometric Optics

   • Misha Bialy
   • Corentin Fierobe
   • Serge Tabachnikov

   Problem Contribution 17 January 2022 Pages: 411 - 422

   

2. Catastrophe in Elastic Tensegrity Frameworks

   • Alexander Heaton
   • Sascha Timme

   Research Contribution 18 February 2022 Pages: 423 - 443

   

3. Partial Duality of Hypermaps

   • S. Chmutov
   • F. Vignes-Tourneret

   Research Contribution 03 January 2022 Pages: 445 - 468

   

4. Two-Sided Fundamental Theorem of Affine Geometry

   • Alexey Gorinov

   Research Contribution 24 March 2022 Pages: 469 - 480

   

5. Quantitative Uncertainty Principles Related to Lions Transform

   • A. Achak
   • A. Abouelaz
   • N. Safouane

   Research Contribution 16 April 2022 Pages: 481 - 496

6. Holomorphic Atiyah–Bott Formula for Correspondences

   • Grigory Kondyrev
   • Artem Prikhodko

   Research Contribution 05 July 2022 Pages: 497 - 511

7. Maximum Likelihood Degree of Surjective Rational Maps

   • Ilya Karzhemanov

   Research Contribution 25 May 2022 Pages: 513 - 516

8. Generalized Permutahedra and Schubert Calculus

   • Avery St. Dizier
   • Alexander Yong

   Research Contribution 27 June 2022 Pages: 517 - 533

   

9. Nontrivial Topological Quandles

   • Boris Tsvelikhovskiy

   Research Contribution 12 July 2022 Pages: 535 - 542

   

10. Jordan Types of Triangular Matrices over a Finite Field

    • Dmitry Fuchs
    • Alexandre Kirillov Sr.

    Research Contribution 13 October 2022 Pages: 543 - 559

    

11. Invariant Factors as Limit of Singular Values of a Matrix

    • Kiumars Kaveh
    • Peter Makhnatch

    Research Contribution 16 September 2022 Pages: 561 - 571