Geodesic

Sommaire du Fascicule no. 1

Character Formulas for the Operad of Two Compatible Brackets and for the Bi-Hamiltonian Operad
p. 1-22
Bifurcation Calculus by the Extended Functional Method
p. 23-38
On the Spectrum of a Vector Schr\"odinger Operator
p. 39-51
On Rational Isomorphisms of Lie Algebras
p. 52-65
Eigenfunction Expansions Associated with One-Dimensional Periodic Differential Operators of Order~$2n$
p. 66-89
A Hyperbolicity Criterion for Periodic Solutions of Functional-Differential Equations: The Case of Rational Periods
p. 90-92
Banach Algebra Technique for Proving an Addition Formula for Spectral Multiplicities of Sets of Operators
p. 93-95

Sommaire du Fascicule no. 2

Mark Grigor'evich Krein (1907--1989)
p. 1-2
Homogenization of the Stationary Periodic Maxwell System in the Case of Constant Permeability
p. 3-23
Krein Duality, Positive 2-Algebras, and Dilation of Comultiplications
p. 24-43
The Inverse Problem for Krein Orthogonal Matrix Functions
p. 44-57
Direct and Inverse Multichannel Scattering Problems
p. 58-77
Meromorphic Jost Functions and Asymptotic Expansions for Jacobi Parameters
p. 78-92
Dissipative Operators in the Krein Space. Invariant Subspaces and Properties of Restrictions
p. 93-110

Sommaire du Fascicule no. 3

On Locally Definitizable Matrix Functions
p. 1-16
Direct and Inverse Asymptotic Scattering Problems for Dirac--Krein Systems
p. 17-33
Quasilinear Burgers--Hopf Equation and Stasheff Polytopes
p. 34-47
Detecting the Orientation of String Links by Finite Type Invariants
p. 48-59
The Schr\"odinger Operator: Perturbation Determinants, the Spectral Shift Function, Trace Identities, and All That
p. 60-83
One-Dimensional Schr\"odinger Operator on the Half-Line: the Differential Equation for Eigenfunctions with Respect to the Spectral Parameter and an Analog of the Freud Equation
p. 84-88
On the Radical for Some Class of Banach Algebras
p. 89-93
On Convergence of Functions of Normal Operators in Strong Operator Topology
p. 93-95

Sommaire du Fascicule no. 4

To the Theory of the Dirichlet and Neumann Problems for Strongly Elliptic Systems in Lipschitz Domains
p. 1-21
On the Trotter--Kato Theorem in a Variable Space
p. 22-29
Stability of Existence of Nonhyperbolic Measures for $C^1$-Diffeomorphisms
p. 30-45
Lax Operator Algebras
p. 46-59
$K$-Finite Matrix Elements of Irreducible Harish-Chandra Modules are Hypergeometric
p. 60-69
Derivations of Noncommutative Arens Algebras
p. 70-72
The Representation Theorem for Local Operator Spaces
p. 73-78
On Strictly Weakly Mixing $C^*$-Dynamical Systems
p. 79-82
Operator Quadratic Inequalities and Linear Fractional Relations
p. 83-87
Euler Characteristic of Fredholm Quasicomplexes
p. 87-93