Geodesic

Sommaire du Fascicule no. 1

Topology of quasi-periodic functions on the plane
p. 1-26
Birational models and flips
p. 27-94
Combinatorics of fronts of Legendrian links and the Arnol'd 4-conjectures
p. 95-149
Invariant manifolds and dynamic bifurcations
p. 151-153
Fourier algebras of certain connected groups are not projective
p. 154-156
On real quadratic forms annihilating an intersection of quadrics
p. 157-158
Necessary conditions for the~decoupling of systems of~PDEs of~arbitrary order
p. 159-160
The problem of steady oscillations of a~half-cylinder with rhombic elastic structure and the related self-adjoint quadratic pencils
p. 161-162
Arithmetic rings, bi-endomorphisms and Gr\''obner bases
p. 163-164
Classification of three-dimensional multistorey completely empty convex marked pyramids
p. 165-166
Crude asymptotics of the probability of simultaneous high extrema of two Gaussian processes: the dual action functional
p. 167-168
On perturbation of a multiple eigenvalue
p. 169-170
Flat multiplication modules
p. 171-172
A~limit theorem for critical branching of a~random walk on~$\mathbb Z^d$ with a~single source
p. 173-175
Lev Dmitrievich Kudryavtsev (on his 80th~birthday)
p. 177-188
Iosif Vladimirovich Ostrovskii (on his 70th~birthday)
p. 189-192
Steklov Institute seminar on mathematics and its applications
p. 193-195

Sommaire du Fascicule no. 2

Reflection principles and provability algebras in~formal arithmetic
p. 197-268
Arrays and the combinatorics of Young tableaux
p. 269-334
Evgenii Sergeevich Lyapin (obituary)
p. 335-336
Gennadii Shlemovich Rubinshtein (obituary)
p. 337-339
Trilinear functional equations
p. 341-343
On the convergence of~intervals of~fair prices in~a~model with European options
p. 344-345
A~formula for the volume of~a~hyperbolic tetrahedon
p. 346-348
Elliptic polycycles with holes
p. 349-351
Indices of~1-forms, resultants and~Newton polyhedra
p. 352-353
Sylvester subresultants, rational Cauchy approximations, Thiele's continued fractions and higher Bruhat orders
p. 354-356
The dimension of a~Hadamard algebra is~divisible by~4
p. 357-358
On the notion of entanglement in Hilbert spaces
p. 359-360
The regularized trace of~an~ordinary linear differential operator with polynomial coefficients in~$L_2(-\infty,+\infty)$
p. 361-362
The topology of~m--spinor structures on~Riemann surfaces
p. 363-364
Generalized Newtonian periodic billiards in~a~ball
p. 365-366
Centralizers of~certain quadratic elements in~Poisson--Lie algebras and the method of~translation of~invariants
p. 367-369
Highest weight representations of~Krichever--Novikov algebras and integrable systems
p. 370-372
Reproducing kernels in~$\mathbb C^d$ and volume forms on toric varieties
p. 373-375
Projective orbits of reductive groups and Brion polytopes
p. 376-377
Some properties of~the topological Baer radical of~rings with topological Krull dimension
p. 378-379
Schwinger's formula for the scalar product
p. 380-381
On contact quasi-conformal immersions
p. 382-384
Meetings of the St.~Petersburg Mathematical Society
p. 385-388
Aleksei Georgievich Sveshnikov (on his 80th birthday)
p. 389-393

Sommaire du Fascicule no. 3

Elementary classification and decidability of theories of derived structures
p. 395-432
The argument of the Riemann zeta function
p. 433-488
Almost periodic functions and representations in locally convex spaces
p. 489-557
Geometric construction of Chebyshev sets in the spaces $\ell^\infty(n)$, $c_0$ and $c$
p. 559-561
Local existence theorem for the solutions of the $d$-dimensional system of Navier--Stokes equations
p. 562-563
On a function-theoretic inequality
p. 564-565
Proof of Dynnikov's conjecture on the location of stability zones in the Novikov problem on planar sections of periodic surfaces
p. 566-567
Structural and algorithmic problems in $T$-spaces over a field of characteristic $p>0$
p. 568-569
Rationality of generating functions of rook polynomials and permanents of Kronecker products of Toeplitz matrices and circulants with the matrix~$J_k$
p. 570-571
Existence theorem for the moduli space of Bohr--Sommerfeld Lagrangian cycles
p. 572-574
On the work of the International Conference on Selected Problems of Modern Mathematics
p. 575-576
The Pierre Deligne Competition
p. 577-579
Arkadii Anatol'evich Mal'tsev (congratulation)
Voronezh Winter Mathematical School
The M\"obius Competition

Sommaire du Fascicule no. 4

Lyudmila Vsevolodovna Keldysh (photo)
Lyudmila Vsevolodovna Keldysh (on the centenary of her birth)
p. 581-588
On the work of L.\,V.~Keldysh and her seminar
p. 589-614
Computation of characteristic classes of a~manifold from a triangulation of~it
p. 615-644
The Osgood--Schoenflies theorem revisited
p. 645-672
Tabulation of three-dimensional manifolds
p. 673-698
On some problems of descriptive set theory in topological spaces
p. 699-719
On the behaviour of solutions of parabolic equations for large values of time
p. 721-790
Solubility of boundary-value problems for a class of third-order operator-differential equations in a~weighted space
p. 791-793
Description of continuous linear functionals on mixed-norm weighted spaces of analytic functions on the unit ball
p. 794-795
The connection between the Borsuk and Erd\"os--Hadwiger problems
p. 796-798
Special isometric transformations of the surfaces of the Platonic solids
p. 799-801
The integrability by quadratures of variational equations in systems with a~complementary first integral
p. 802-803
Sergei Petrovich Novikov (congratulation)

Sommaire du Fascicule no. 5

Investigation of groups with finiteness conditions in Krasnoyarsk
p. 805-848
Diagrammatic approach to the 3D Navier--Stokes system
p. 849-873
Birationally rigid Fano varieties
p. 875-965
On continuous and irreducible Frobenius $n$-homomorphisms
p. 967-969
On the growth of almost soluble Lie algebras
p. 970-972
On the mixed problem for the Helmholtz equation in a~planar domain with cuts
p. 973-974
Hochschild cohomology and extensions
p. 975-976
Asymptotics of multidimensional difference equations
p. 977-978
Primitive rings with a pseudo-involution
p. 979-980
On quasi-St\"ackel Hamiltonians
p. 981-983
On the length of the algebra of upper-triangular matrices
p. 984-985
Zeta-functions of conic bundles and of del Pezzo surfaces of degree~4 over finite fields
p. 986-987
The symplectic structure on the orbits of the co-adjoint representation is the differential of a~rational 1-form
p. 988-990
On polynomials orthogonal on several segments with indefinite weight
p. 991-993
Yakov Grigor'evich Sinai (on his 70th birthday)
p. 995-998
Congratulation to Grigorii Aleksandrovich Margulis on winning the 2005 Wolf Prize
Scientific and Educational Centre, Steklov Mathematical Institute
Two conferences dedicated to 70th anniversary of A.\,M.~Vershik

Sommaire du Fascicule no. 6

Sergei Mikhailovich Nikol'skii
On the scientific work of S.\,M.~Nikol'skii
p. 1005-1020
Non-local quasi-linear parabolic equations
p. 1021-1033
Optimal quadrature formulae
p. 1035-1055
Simultaneous Lipschitz extensions
p. 1057-1076
On the non-linear equation of a $p$-adic open string for a~scalar field
p. 1077-1092
Optimization of boundary controls of string vibrations
p. 1093-1119
Weighted averages, uniform distribution, and strict ergodicity
p. 1121-1146
Inequalities of Gagliardo--Nirenberg type and estimates for the moduli of continuity
p. 1147-1164
The theory of curves in differential geometry from the viewpoint of the theory of functions of a~real variable
p. 1165-1181
Extremal problems for algebraic polynomials
p. 1183-1194
Spaces on sets
p. 1195-1215
Reaction versus diffusion: blow-up induced and inhibited by diffusivity
p. 1217-1235
Belyi functions of dessins d'enfants of genus~2 with 4 edges
p. 1237-1239
Algorithm for the verification of identities in representable algebras of arbitrary signature over a~ring
p. 1240-1241
Derived categories of coherent sheaves and motives
p. 1242-1244
An integrable case of dynamical equations on $so(4)\times\mathbb R^4$
p. 1245-1246