Geodesic

Sommaire du Fascicule no. 1

Infinite hankel matrices and generalized Carath\'eodory--Fejer and Riesz problems
p. 1-19
Representations of quaternion groups over locally compact and functional fields
p. 20-35
The structure of $\Gamma$-rational groups for some discrete subgroup $\Gamma$ of the group $SL(2,\mathbb{R})$
p. 36-39
Motion of a viscous liquid in an open vessel
p. 40-50
Operators which are similar to unitary operators with absolutely continuous spectrum
p. 51-63
Markov partitions and $C$-diffeomorphisms
p. 64-89
Positive boundary value problems for pseudodifferential operators of first order
p. 90-91
Feasibility of the analytic continuation $f_+^\lambda$ for certain polynomials $f$
p. 92-93
Infinite-dimensional filtered Lie algebras and their connection with graded Lie algebras
p. 94-95
Method of orbits in the theory of unitary representations of Lie groups
p. 96-98
Discrete series of unitary representations of the Lie algebra of the group $O(p,q)$
p. 99-100

Sommaire du Fascicule no. 2

Riemannian spaces with exceptional holonomy groups
p. 1-10
Compact quaternion spaces
p. 11-20
Oscillations of a viscous liquid and the associated operational equations
p. 21-31
On $n$-dimensional diameters of compacts in a Hilbert space
p. 32-39
The characters of unitary representations of Lie groups
p. 40-55
Sufficient conditions for a discrete spectrum in the case of a Sturm--Liouville equation with operator coefficients
p. 56-62
A criterion for discreteness of the spectrum of a Sturm--Liouville equation with an operator coefficient (apropos the article by B.~M.~Levitan and G.~A.~Suvorchenkova)
p. 63-67
A new interpolation theorem
p. 68-80
The correctness of boundary problems for a second-order differential equation with a self-adjoint negative operator in a Hilbert space
p. 81-85
On groups possessing property $T$
Regular operators
p. 87-88
Invariant norms in compact Lie algebras
p. 89-90
Norm of the Hilbert transformation in the $L_p$ space
p. 91-92
Graduated Lie algebras and symmetric spaces
p. 93-94
Basicity and single-cellularity of weighted translation operators
p. 95-96

Sommaire du Fascicule no. 3

Remark on the branching of hyperelliptic integrals as functions of the parameters
p. 1-3
Partitions of Lebesgue space in trajectories defined by ergodic automorphisms
p. 4-16
Theorem on lacunary isomorphisms of monotonic sequences of partitions
p. 17-21
The problem of Cauchy for differential operators with a dominant principal part
p. 22-38
Complexes of straight lines in the space $\mathbb{C}^n$
p. 39-52
Examples of nonregular solutions of quasilinear elliptic equations with analytic coefficients
p. 53-57
Differential operators on the class of convergent power series and the Weierstrass auxiliary lemma
p. 58-69
Construction of Markov partitions
p. 70-80
Decomposition of a dissipative operator with an imaginary kernel component into unicellular operators
p. 81-83
On a property of semisimple algebraic groups
p. 84-85
Cohomologies of groups in categories
Coerciveness in $\mathcal{L}_2$ of general boundary-value problems for a degenerate second-order elliptic equation
p. 87-88
On linear representations of a matrix group with elements from a field of formal power series over an infinite field
p. 89-90
Correction to the article ``A class of linear representations of complex semisimple lie groups''
Spectral synthesis for operators with a point spectrum
p. 91-92

Sommaire du Fascicule no. 4

Infinite Hankel matrices and generalized Caretheodory--Fejer and I. Schur Problems
p. 1-17
Projections of semi-analytic sets
p. 18-30
Gibbsian random fields for lattice systems with pairwise interactions
p. 31-43
The problem of uniqueness of a gibbsian random field and the problem of phase transitions
p. 44-57
Relativity principles for differential equations with unbounded operators in A Banach space
p. 58-62
The equivalence of a smooth function to a Taylor polynomial in the neighborhood of a finite-type critical point
p. 63-69
Absolute isolatedness of rational singularities and triple rational points
p. 70-81
The Banach spaces of analytic functions in a sphere and in a bicylinder are not isomorphic
p. 82-91
The cohomologies of the lie algebra of the vector fields in a circle
p. 92-93
Completely irreducible representation of $SU (2,1)$ and their traces
p. 94-95