Contents

Proceedings of the Steklov Institute of Mathematics

Vol. 330, No. 1, 2025

Research Articles

Recurrence Relations for Meixner Multiple Orthogonal Polynomials on Interlacing Lattices

Alexander Aptekarev, Alexander Dyachenko, and Vladimir Lysov p. 1  abstract

Formula for Entropy Solutions of the 1D Pressureless Euler–Poisson System: Well-Posedness of Entropy Solutions and the Asymptotic Behavior

Gaowei Cao, Feimin Huang, and Guirong Tang p. 22  abstract

Rectangular Diagrams of Foliations

Ivan Dynnikov and Mikhail Chernavskikh p. 63  abstract

From Kähler Hyperbolicity to Balanced Hyperbolicity

Jixiang Fu, Hongjie Wang, and Jingcao Wu p. 104  abstract

Normal Forms for Ordinary Differential Operators. III

Junhu Guo and Alexander B. Zheglov p. 119  abstract

Gopakumar–Vafa Invariants of \(\mathcal{O}(k)\oplus\mathcal{O}(-k-2)\)

Shuai Guo and Ting Zhang p. 153  abstract

Combinatorial Identities Related to Degenerate Stirling Numbers of the Second Kind

Dae San Kim and Taekyun Kim p. 176  abstract

Quantization Conditions for a Bundle over a Circle and Semiclassical Spectral Series of the One-Dimensional Schrödinger Operator with a Jump-like Two-Scale Potential

I. A. Lavrinenko and A. I. Shafarevich p. 193  abstract

Analytic Diffeomorphisms of the Circle and Topological Riemann–Roch Theorem for Circle Fibrations

Denis V. Osipov p. 212  abstract

Permutohedral Complex and Complements of Diagonal Subspace Arrangements

Taras Panov and Vsevolod Tril p. 254  abstract

One-Phase Free Boundary Problems on Riemannian Complexes

Yu Peng, Hui-Chun Zhang, and Xi-Ping Zhu p. 270  abstract

On an Approach to Proving the Existence of Forced Oscillations

Ivan Yu. Polekhin p. 288  abstract

On Additive Bases and Change of Bases in \(\mathbb C\)-Motivic Steenrod Algebra mod 2

Th. Yu. Popelensky p. 301  abstract

On the Birational Geometry of \(\mathbb Q\)-Fano Threefolds of Large Fano Index. II

Yuri Prokhorov p. 314  abstract

Saturation of Product Systems and Applications

Jiahao Qiu, Hui Xu, Xiangdong Ye, and Jiaqi Yu p. 342  abstract

Double Poisson Brackets on Low-Dimensional Algebras

G. I. Sharygin and A. Hernández Rodríguez p. 359  abstract

Spectrum and Hertling Conjecture for Trimodal Singularities

Quan Shi, Yang Wang, and Huaiqing Zuo p. 375  abstract

Reduced Critical Branching Processes in Non-favorable Random Environment

V. A. Vatutin and E. E. Dyakonova p. 394  abstract

Hopf Decomposition and Maximal Quotient Growth

Wenyuan Yang p. 425  abstract

On Absolute \(n\)-Point Function Associated with Gelfand–Dickey Polynomials

Jian Zhou p. 456  abstract

2D Classical Integrable Field Theories from Hitchin Systems on \(\mathrm{SL}(NM,\mathbb C)\)-Bundles with Non-trivial Characteristic Classes

Andrei Zotov p. 479  abstract