Geodesic

Sommaire du Fascicule no. 1

The Geometric Structure of Chebyshev Sets in $\ell^\infty(n)$
p. 1-10
Coherent Local Hyperbolicity of a Linear Extension and the Essential Spectra of a Weighted Shift Operator on a Closed Interval
p. 11-26
Nonremovable Zero Lyapunov Exponents
p. 27-38
Two-Particle Bound State Spectrum of Transfer Matrices for Gibbs Fields (Fields on the Two-Dimensional Lattice. Adjacent Levels)
p. 39-55
Interpolation Orbits in Couples of Lebesgue Spaces
p. 56-68
Multishifts in Hilbert Spaces
p. 69-81
On the Hyperbolicity of Rapidly Oscillating Periodic Solutions of Functional Differential Equations
p. 82-85
On the Approximation to Solutions of Operator Equations by the Least Squares Method
p. 85-90
New Examples of Kobayashi Hyperbolic Surfaces in~$\mathbb{CP}^3$
p. 90-94

Sommaire du Fascicule no. 2

A Commutative Model of a Representation of the Group $O(n,1)^X$ and a Generalized Lebesgue Measure in the Space of Distributions
p. 1-12
Locally Scalar Graph Representations in the Category of Hilbert Spaces
p. 13-30
Some Continuous Analogs of the Expansion in Jacobi Polynomials and Vector-Valued Orthogonal Bases
p. 31-46
Koszul Algebras and Their Ideals
p. 47-60
Interpolation of Intersections Generated by a Linear Functional
p. 61-64
Fractional Modified Dyadic Integral and Derivative on $\mathbb{R}_+$
p. 64-70
Damped Oscillatory Integrals and the Boundedness Problem for Maximal Operators
p. 70-74
Pathological Birth-and-Death Processes and the Spectral Theory of Strings
p. 74-78
Ambarzumian's Theorem for a Sturm--Liouville Boundary Value Problem on a Star-Shaped Graph
p. 78-81
The Number of Steps in the Robinson--Schensted Algorithm
p. 82-86
A Generalization of the Euler Gamma Function
p. 87-91
Some Relations for Double Hurwitz Numbers
p. 91-94
Letter to the Editors

Sommaire du Fascicule no. 3

Some Algebraic Properties of Cerf Diagrams of One-Parameter Function Families
p. 1-13
Algebras Generated by Linearly Dependent Elements with Prescribed Spectra
p. 14-27
Isotropic Hypersurfaces and Minimal Extensions of Lipschitz Functions
p. 28-36
On the Number of Unbounded Solution Branches in a Neighborhood of an Asymptotic Bifurcation Point
p. 37-53
Topologically Free Partial Actions and Faithful Representations of Crossed Products
p. 54-63
On the Convergence of Formal Solutions of a System of Partial Differential Equations
p. 64-75
Cohomology of Sheaves of Fr\'echet Algebras and Spectral Theory
p. 76-80
Very Hyperbolic Polynomials
p. 80-84
On Causal Invertibility with Respect to a Cone of Integral-Difference Operators in Vector Function Spaces
p. 84-87
Translation Invariant Asymptotic Homomorphisms and Extensions of $C^*$-Algebras
p. 87-91
Commuting Rank 2 Differential Operators Corresponding to a Curve of Genus~2
p. 91-94

Sommaire du Fascicule no. 4

The Index of Vector Fields and Logarithmic Differential Forms
p. 1-13
Estimates for the Involution of Decomposable Elements of a Complex Banach Algebra
p. 14-31
Restrictions of Quadratic Forms to Lagrangian Planes, Quadratic Matrix Equations, and Gyroscopic Stabilization
p. 32-47
Canonical Representations and Overgroups for Hyperboloids
p. 48-61
Removable Singularities of Solutions of the Minimal Surface Equation
p. 62-68
The Berezin and G\aa rding Inequalities
p. 69-77
Estimates and Spectral Asymptotics for Systems with Multiplicities
p. 78-80
An Asymptotic Version of General Commutator Theorems
p. 80-83
On Some Functional Equations and Representations of Topological Semigroups
p. 83-85
On Degrees of Growth of Finitely Generated Groups
p. 86-89
The Exact Value of Normal Structure Coefficients and WCS coefficients in a Class of Orlicz Function Spaces
p. 89-92