Geodesic

Sommaire du Fascicule no. 1

A note on joins and meets for positive linear preorders
p. 1-16
Quasivarieties generated by small suborder lattices. I. Equational bases
p. 62-71
Generic polynomial algorithms for the knapsack problem in some matrix semigroups
p. 100-109
Irreducible carpets of Lie type $B_l$, $C_l$ and $F_4$ over fields
p. 124-131
Almost $n$-ary and almost $n$-aritizable theories
p. 132-139
Limited combinatorial-selector sets
p. 140-149
Distance-regular graph with intersection array $\{143,108,27;1,12,117\}$ does not exist
p. 207-210
Pretabularity and Craig's interpolation problem over the minimal logic
p. 245-250
On two intervals in the lattice of partial ultraclones of rank~$2$
p. 262-274
Undecidability of the submonoid membership problem for a sufficiently large finite direct power of the Heisenberg group
p. 293-305
The Jordan block structure of the images of unipotent elements in irreducible modular representations of classical algebraic groups of small dimensions
p. 306-454
The complexity of quasivariety lattices.~II
p. 501-513
On first-passage times for symmetric random walks without Lindeberg condition
p. 86-99
Properties of boundary functionals for a random walk with stable jump distributions
p. 455-464
Critical Multitype Branching Processes on a Graph and the Model of the HIV Infection Development
p. 465-476
Lagrange spaces with changed Z. Shen square metric
p. 17-24
Letter to the Editor
Invariant Ricci solitons on three-dimensional nonunimodular Lie groups with a left-invariant Lorentzian metric and a semisymmetric connection
p. 48-61
Problem of shadow and surface of constant curvature
p. 150-164
Hopf-type theorems for $f$-neighbors
p. 165-182
The volume of a trirectangular hyperbolic tetrahedron
p. 275-284
On the preservation of the Wiener index of cubic graphs upon vertex removal
p. 285-292
On Binomial coefficients of real arguments
p. 514-523
Iterative solution of the retrospective inverse heat conduction problem using the Poisson integral
p. 72-85
Spatially-Nonlocal Boundary Value Problems with the generalized Samarskii--Ionkin condition for quasi-parabolic equations
p. 110-123
Criterion for the Sobolev well-posedness of the Dirichlet problem for the Poisson equation in Lipschitz domains. II
p. 211-244
On uniform asymptotics of solutions of second-order differential equations with meromorphic coefficients in a neighborhood of singular points
p. 251-261
Fluid flow simulation in a T-connection of square pipes using modern approaches to turbulence modeling
p. 25-46
Numerical statistical modeling of optical radiation transfer in random crystal media
p. 486-500
Uniform convergence on subspaces in von Neumann's ergodic theorem with continuous time
p. 183-206
On the dissymmetrization theorem
p. 477-485

Sommaire du Fascicule no. 2

On graphs that are not equationally Noetherian
p. 580-587
Spherical orders, properties and countable spectra of their theories
p. 588-599
Minimality conditions, topologies, and ranks for spherically ordered theories
p. 600-615
\large Equationally Noetherian varieties of semigroups and B.~Plotkin's problem
p. 724-734
Finite groups with formational subnormal primary subgroups of bounded exponent
p. 785-796
On profinite polyadic groups
p. 814-823
Algebras of binary formulas for $\aleph_0$-categorical weakly circularly minimal theories: piecewise monotonic case
p. 824-832
Quasi-definite primitive axial algebras of Jordan type half
p. 833-846
One corollary of description of finite groups without elements of order $6$
p. 854-858
Constant expansion of theories and the number of countable models
p. 1037-1051
Finite simple groups with two maximal subgroups of coprime orders
p. 1150-1159
A.D.~Taimanov's theorems
p. 1160-1184
On equivalence classes of matrices over a finite field of odd characteristic
p. 1200-1210
On positive completeness and positively closed sets of multifunctions of rank~$2$
p. 1313-1319
On the computability of ordered fields
p. 1341-1360
Linear step-like logic of knowledge $\mathcal{LTK}.{sl}$
p. 1361-1373
On submaximal ultraclones of self-dual hyperfunctions of rank~$2$
p. 1374-1380
Complexes of relational structures and their properties
p. 1381-1385
Simple Novikov--Poisson algebras
p. 1396-1404
On the existence of nef-partitions for smooth well-formed Fano weighted complete intersections
p. 1405-1419
Seven-dimensional real and complex unsolvable Lie algebras
p. 1443-1463
On weakly $\mathrm{tcc}$-subgroups of finite groups
p. 1464-1473
Effectively infinite classes of numberings and fixed point theorems
p. 1519-1536
Multivalued groups and Newton polyhedron
p. 1590-1596
Binary $(-1,1)$-bimodules over semisimple algebras
p. 1605-1625
Stability and instability of a random multiple access system with an energy harvesting and self-discharge mechanism
p. 735-754
On functional limit theorems for branching processes with dependent immigration
p. 755-772
Limit theorems for forward and backward processes of numbers of non-empty urns in infinite urn schemes
p. 913-922
On the moderate deviation principle for $m$-dependent random variables with sublinear expectation
p. 961-980
Study of characteristics of the CUSUM procedure in a change point problem
p. 987-1000
On the distribution of the crossing number of a strip by trajectories of a stochastic process with independent increments
p. 1013-1025
Complex and symplectic geometry of vector bundle manifolds
p. 1295-1312
Feynman checkers with absorption
p. 626-637
Test fragments of perfect colorings of circulant graphs
p. 638-645
Edge $4$-critical Koester graph of order $28$
p. 847-853
Approximation algorithms for 2-PSP-2W-max and 2-CC-2W-max
p. 923-941
Multidimensional threshold matrices and extremal matrices of order $2$
p. 1052-1063
Linear and additive perfect codes over skew fields and quasi skew fields
p. 1093-1107
$L_{\infty}$ norm minimization for nowhere-zero integer eigenvectors of the block graphs of Steiner triple systems and Johnson graphs
p. 1125-1149
On reduction for eigenfunctions of graphs
p. 1290-1294
On the structure of one class of perfect $\Pi$-partitions
p. 1499-1518
Resonance in oscillators with nonlinearity manifested at intermediate amplitudes
p. 616-625
Homogenized acoustic equations for a layered medium consisting of a viscoelastic material and a viscous compressible fluid
p. 711-723
Flows of quasi-classical trajectories and asymptotics solutions of the Schr\"odinger equation
p. 773-784
Integration of the loaded mKdV-sine-Gordon equation with a source
p. 859-879
A Radon type transform related to the Euler equations for ideal fluid
p. 880-912
A variational inequality for the Sturm--Liouville problem with discontinuous nonlinearity
p. 981-986
Algebraic ovals and rational integrals of Darboux-type systems
p. 1108-1124
Spectrum of a problem about the flow of a polymeric viscoelastic fluid in a cylindrical channel (Vinogradov-Pokrovski model)
p. 1269-1289
Stationary solutions of a boundary value problem for equations of barotropic flow of multicomponent media
p. 1490-1498
The exact solutions for the flow of liquid polymer with variable discharge in the flat channel with permeable walls
p. 1537-1551
The problem on small motions of a mixture of viscous compressible fluids
p. 1552-1589
Solvability of a regularized boundary value problem of chaotic dynamics of a polymer molecule
p. 1597-1604
Performance preserving equivalence for stochastic process algebra dtsdPBC
p. 646-699
Mathematical model of economic dynamics in an epidemic
p. 797-813
Discretization of Boltzmann equation with finite volume method and explicit-implicit schemes
p. 942-960
On the convergence of locally one-dimensional schemes for the differential equation in partial derivatives of fractional orders in a multidimensional domain
p. 1064-1078
Localization of discontinuity surfaces of the scattering coefficient according to the time-angular distribution of the radiation flux density
p. 1079-1092
On mathematical models of COVID-19 pandemic
p. 1211-1268
Application of a Taylor series to approximate a function with large gradients
p. 1420-1429
On the reconstruction of the absorption coefficient for the 2D acoustic system
p. 1474-1489
Phase control of the power of a floating wave power plant
p. 1626-1641
Multidimensional Hermite interpolation
p. 700-710
Laguerre expansions of $C-$regularized semigroups Functions
p. 1001-1012
Inverse spectral problem for an antisymmetric tridiagonal matrix
p. 1026-1036
Multivalued quasim\"obius property and bounded turning
p. 1185-1199
Gaussian semigroups of operators in the space of Borel functions on a separable Hilbert space
p. 1320-1340
Stability condition and Riesz bounds for exponential splines
p. 1430-1442