Search Results - "Il'in, S."
-
1
Dependence of magnetic penetration depth on the thickness of superconducting Nb thin films
Published in Physical review. B, Condensed matter and materials physics (01-08-2005)Get full text
Journal Article -
2
On semirings whose simple semimodules are projective
Published in Siberian mathematical journal (01-03-2017)“…We study the semirings whose simple semimodules are all projective. In particular, we establish that for every semiring S this condition implies the…”
Get full text
Journal Article -
3
On Serre's Problem on Projective Semimodules over Polynomial Semirings
Published in Communications in algebra (02-09-2014)“…Among other results of this paper, we single out the following ones. We show that division rings are the only division semirings over which the categories of…”
Get full text
Journal Article -
4
Terahertz Performance of Integrated Lens Antennas With a Hot-Electron Bolometer
Published in IEEE transactions on microwave theory and techniques (01-02-2007)“…Radiation coupling efficiency and directive properties of integrated lens antennas with log-spiral, log-periodic, and double-slot planar feeds coupled to a…”
Get full text
Journal Article -
5
On V-semirings and Semirings All of Whose Cyclic Semimodules Are Injective
Published in Communications in algebra (02-11-2015)“…In this article, we introduce and study V- and CI-semirings-semirings all of whose simple and cyclic, respectively, semimodules are injective. We describe…”
Get full text
Journal Article -
6
V-semirings
Published in Siberian mathematical journal (01-03-2012)“…We investigate the semirings over which all simple semimodules are injective. In ring and module theory, the rings with an analogous condition are called V…”
Get full text
Journal Article -
7
Critical current density in thin superconducting TaN film structures
Published in Physica. C, Superconductivity (01-09-2012)“…The critical current density jC in thin TaN film single-bridge structures with different width from 60 nm to 8 Amm has been studied in a wide temperature range…”
Get full text
Conference Proceeding Journal Article -
8
Estimate of local features of long-term variations in cloud cover over the territory of Siberia using results of its climatic zoning according to total and low-level cloud regimes
Published in Atmospheric and oceanic optics (01-05-2015)“…The local features of long-term variations in cloud cover over the territory of Siberia are statistically analyzed using a 45-year (1969–2013) time series of…”
Get full text
Journal Article -
9
On Wielandt type inequalities for powers of complex matrices
Published in Lobachevskii journal of mathematics (01-11-2016)“…The criterion for coincidence of spectral radiuses of a complex matrix A and of the matrix | A | obtained by replacing entries of A by their absolute values…”
Get full text
Journal Article -
10
Direct sums of injective semimodules and direct products of projective semimodules over semirings
Published in Russian mathematics (01-10-2010)“…We prove that if the direct sum of a family of semimodules over a semiring S is an injective semimodule or if the direct product of a family of semimodules…”
Get full text
Journal Article -
11
On semirings satisfying the Baer criterion
Published in Russian mathematics (01-03-2013)“…It is well-known that for modules over rings the Baer injectivity criterion takes place. In this paper we prove that under one additional condition this…”
Get full text
Journal Article -
12
On the ranks of idempotent matrices over skew semifields
Published in Mathematical Notes (01-05-2012)“…As is well known, every positive idempotent matrix is of rank 1. It is proved that idempotent matrices without zeros have this property over many skew…”
Get full text
Journal Article -
13
Increasing the Efficiency of Terahertz Generation during the Current Flow through Magnetic Junctions Formed by Inhomogeneous Ultrathin Films of a Ferromagnetic Metal
Published in Journal of communications technology & electronics (01-08-2018)“…Operating modes of terahertz (THz) generators with “rod–film” magnetic junctions formed by a Fe rod with one pointed end with a diameter of 10–50 nm and…”
Get full text
Journal Article -
14
Regional features of long-term changes in cloud cover in Siberian sector of Northern hemisphere for the last 45 years (1969–2013)
Published in Atmospheric and oceanic optics (01-03-2015)“…We discussed the results of statistical analysis of regional features of long-term changes in cloud cover on the territory of Siberia according to data of…”
Get full text
Journal Article -
15
On p-Schreier Varieties of Semimodules
Published in Communications in algebra (21-03-2011)“…In this article, we consider categories of all semimodules over semirings which are p-Schreier varieties, i.e., varieties whose projective algebras are all…”
Get full text
Journal Article -
16
Electrodynamics of the Superconducting State in Ultra-Thin Films at THz Frequencies
Published in IEEE transactions on terahertz science and technology (01-05-2013)“…In this paper, we report on terahertz frequency-domain spectroscopy (THz-FDS) experiments in which we measure charge carrier dynamics and excitations of…”
Get full text
Journal Article -
17
On the applicability to semirings of two theorems from the theory of rings and modules
Published in Mathematical Notes (01-04-2008)“…Problems concerning the extension of the Baer criterion for injectivity and embedding theorem of an arbitrary module over a ring into an injective module to…”
Get full text
Journal Article -
18
Rheological and phase behavior of polyamidobenzimidazole solutions under the effect of temperature and deformation
Published in Polymer science. Series A, Chemistry, physics (01-03-2013)“…The viscosities and phase stabilities of solutions of rigid-chain polyamidobenzimidazole and its copolymer with poly( p -phenylene terephthalamide) in…”
Get full text
Journal Article -
19
Experience of using a dynamic stochastic approach for solving the problem of very short-range forecasting of state parameters of the atmospheric boundary layer
Published in Russian meteorology and hydrology (01-02-2014)“…Discussed are the results of applying a dynamic stochastic method based on the use of the two-dimensional model and the Kalman filtering algorithm for solving…”
Get full text
Journal Article -
20
On the Homological Classification of Semirings
Published in Journal of mathematical sciences (New York, N.Y.) (02-07-2021)“…In this paper, we present results on the homological classification of semirings for the last ten years and certain new results…”
Get full text
Journal Article