1. The Set of Separable States has no Finite Semidefinite Representation Except in Dimension \(3\times 2\)

   • Hamza Fawzi

   OriginalPaper Open access 31 July 2021 Pages: 1319 - 1335

2. Superintegrable Systems on Moduli Spaces of Flat Connections

   • S. Arthamonov
   • N. Reshetikhin

   OriginalPaper Open access 31 July 2021 Pages: 1337 - 1381

   

3. How Many Inflections are There in the Lyapunov Spectrum?

   • O. Jenkinson
   • M. Pollicott
   • P. Vytnova

   OriginalPaper Open access 26 July 2021 Pages: 1383 - 1411

   

4. Absence of Eigenvalues of Analytic Quasi-Periodic Schrödinger Operators on \({\mathbb {R}}^d\)

   • Yunfeng Shi

   OriginalPaper 27 July 2021 Pages: 1413 - 1436

5. Standard Subspaces of Hilbert Spaces of Holomorphic Functions on Tube Domains

   • Karl-Hermann Neeb
   • Bent Ørsted
   • Gestur Ólafsson

   OriginalPaper 26 July 2021 Pages: 1437 - 1487

6. The Possible Temperatures for Flows on a Simple AF Algebra

   • Klaus Thomsen

   OriginalPaper 10 June 2021 Pages: 1489 - 1518

7. Eigenvalue Splitting of Polynomial Order for a System of Schrödinger Operators with Energy-Level Crossing

   • Marouane Assal
   • Setsuro Fujiié

   OriginalPaper 01 June 2021 Pages: 1519 - 1550

   

8. Larson–Penston Self-similar Gravitational Collapse

   • Yan Guo
   • Mahir Hadžić
   • Juhi Jang

   OriginalPaper Open access 02 August 2021 Pages: 1551 - 1601

9. A Random Dynamical Systems Perspective on Isochronicity for Stochastic Oscillations

   • Maximilian Engel
   • Christian Kuehn

   OriginalPaper Open access 08 April 2021 Pages: 1603 - 1641

   

10. Kadomtsev–Petviashvili Turning Points and CKP Hierarchy

    • I. Krichever
    • A. Zabrodin

    OriginalPaper 24 May 2021 Pages: 1643 - 1683

11. Disconnection and Entropic Repulsion for the Harmonic Crystal with Random Conductances

    • Alberto Chiarini
    • Maximilian Nitzschner

    OriginalPaper 28 July 2021 Pages: 1685 - 1745

    

12. Scattering from Infinity of the Maxwell Klein Gordon Equations in Lorenz Gauge

    • Lili He

    OriginalPaper 21 May 2021 Pages: 1747 - 1801

13. Some Properties of the Potential-to-Ground State Map in Quantum Mechanics

    • Louis Garrigue

    OriginalPaper 30 June 2021 Pages: 1803 - 1844

    

14. Remarks on Stationary and Uniformly-rotating Vortex Sheets: Rigidity Results

    • Javier Gómez-Serrano
    • Jaemin Park
    • Yao Yao

    OriginalPaper Open access 15 July 2021 Pages: 1845 - 1879

    

15. Observables of Stochastic Colored Vertex Models and Local Relation

    • Alexey Bufetov
    • Sergei Korotkikh

    OriginalPaper 22 July 2021 Pages: 1881 - 1936