Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Anna Lempert"'
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 6970 (2024)
This article concerns the problem of estimating the throughput and forecasting the operation of a coal transshipment complex that comprises a marine coal terminal and a railway station. Scenario modeling is employed to address this issue. The mathema
Externí odkaz:
https://doaj.org/article/876669d5c2a3434a973a5cf326d45389
Autor:
Alexander Kazakov, Anna Lempert
Publikováno v:
Mathematics, Vol 12, Iss 2, p 354 (2024)
The paper concerns a nonlinear second-order parabolic evolution equation, one of the well-known objects of mathematical physics, which describes the processes of high-temperature thermal conductivity, nonlinear diffusion, filtration of liquid in a po
Externí odkaz:
https://doaj.org/article/a08147b4efda4f3fbc535e35cdfdd826
Publikováno v:
Известия Иркутского государственного университета: Серия "Математика", Vol 39, Iss 1, Pp 80-95 (2022)
Dual techniques have been used in many engineering papers to deal with singularity and ill-conditioning of the boundary element method (BEM). In the first part of the two-part article, our efforts were focused on studying the theoretical aspects of t
Externí odkaz:
https://doaj.org/article/57ee53219fad40398036740957cd17d6
Autor:
Alexander Kazakov, Anna Lempert
Publikováno v:
Mathematics, Vol 10, Iss 2, p 232 (2022)
The paper deals with a nonlinear second-order one-dimensional evolutionary equation related to applications and describes various diffusion, filtration, convection, and other processes. The particular cases of this equation are the well-known porous
Externí odkaz:
https://doaj.org/article/45556e4b390141dcb35531b0766ddcd1
Publikováno v:
Applied Sciences, Vol 11, Iss 5, p 2425 (2021)
Among the micro-logistic transport systems, railway stations should be highlighted, such as one of the most important transport infrastructure elements. The efficiency of the transport industry as a whole depends on the quality of their operation. Su
Externí odkaz:
https://doaj.org/article/1bf22749105c4f1b89de03f59442c772
Publikováno v:
Symmetry, Vol 12, Iss 6, p 999 (2020)
The paper deals with a system of two nonlinear second-order parabolic equations. Similar systems, also known as reaction-diffusion systems, describe different chemical processes. In particular, two unknown functions can represent concentrations of ef
Externí odkaz:
https://doaj.org/article/fc82cfbfcf4f4c48aaa0ffad178b923b
Publikováno v:
Symmetry, Vol 12, Iss 6, p 921 (2020)
The paper deals with two-dimensional boundary-value problems for the degenerate nonlinear parabolic equation with a source term, which describes the process of heat conduction in the case of the power-law temperature dependence of the heat conductivi
Externí odkaz:
https://doaj.org/article/54e616cd2e0b432ca1b9ddcaa17020ba
Publikováno v:
Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta. :58-72
The paper deals with the problem of constructing the thinnest covering for a convex set by a set of similar elements. As a distance between two points, we use the shortest time it takes to achieve one point from another, and the boundary of each cove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5affe4f219bd4e0b42171d739fc1669c
https://doi.org/10.35634/2226-3594-2022-60-04
https://doi.org/10.35634/2226-3594-2022-60-04
Autor:
Alexander Kazakov, Anna Lempert
Publikováno v:
Trudy Instituta Matematiki i Mekhaniki UrO RAN. 28:114-128
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6e10797a14afd381c21501d0cf37f70
https://doi.org/10.21538/0134-4889-2022-28-3-114-128
https://doi.org/10.21538/0134-4889-2022-28-3-114-128