488 research outputs found
Anatoly Kuznetsov, Author of Babi Yar: The History of the Book and the Fate of the Author
No full textThis Introduction to the special issue devoted to Anatoly Kuznetsov, author of Babi Yar: A Document in the Form of a Novel, dwells on the different aspects of the book’s importance, surveys the life of the author as intertwined with the history of this book, suggests a way of reading his other work in the light of Babi Yar, and notes the contributions of the articles collected in this issue
New wave simulations to the (3+1)-dimensional modified Kdv-Zakharov-Kuznetsov equation
No full textInternational Conference on Numerical Analysis and Applied Mathematics (ICNAAM) - SEP 19-25, 2016 - Rhodes, GREECEWOS: 000410159800577In this study, we apply an effective method which is improved Bernoulli sub-equation function method (IBSEFM) to the (3+1)-dimensional modified KdV-Zakharov-Kuznetsov equation. It gives some new wave simulations such as complex and exponential structures. We check up whether all structures verify the (3+1)-dimensional modified KdV-Zakharov-Kuznetsov model. Then, we plot three and two dimensional surfaces of obtained solutions by using Wolfram Mathematica 9
The role of high vorticity structures in development of Kolmogorov turbulent spectra in inviscid flow
No full textThis work is aimed for understanding nonlinear mechanisms at early stages of turbulence, when the flow is not yet affected by viscosity. Based on numerical simulations of the 3D incompressible Euler equations with generic large-scale initial conditions, we show that the exponential growth of vorticity developing in thin vortex sheets (pancake structures) leads to formation of Kolmogorov energy spectrum in fully inviscid flow. This direct observation yields the decoupling of the finite-time blowup problem from the Kolmogorov theory of turbulence. We demonstrate that the pancake structures have self-similar dynamics and evolve according to the scaling law W(t) ~ l(t)^(-2/3) for the local vorticity maximums W(t) and the transverse pancake scales l(t). Then, we argue that the energy spectrum requires an increasing number of such structures developing densely through the Kolmogorov range of wavenumbers, in good agreement with numerical data
Global well-posedness for the Cauchy problem of the Zakharov-Kuznetsov equation on cylindrical spaces
No full textWe prove that the Zakharov-Kuznetsov equation on cylindrical spaces is
globally well-posed below the energy norm. As is known, local well-posedness
below energy space was obtained by the first author. We adapt I-method to
extend the solutions globally in time. Using modified energies, we obtain the
polynomial bounds on the growth for the global solutions.Comment: 24 page
Travelling wave solutions of generalized coupled Zakharov–Kuznetsov and dispersive long wave equations
No full textAbstractIn this manuscript, we constructed different form of new exact solutions of generalized coupled Zakharov–Kuznetsov and dispersive long wave equations by utilizing the modified extended direct algebraic method. New exact traveling wave solutions for both equations are obtained in the form of soliton, periodic, bright, and dark solitary wave solutions. There are many applications of the present traveling wave solutions in physics and furthermore, a wide class of coupled nonlinear evolution equations can be solved by this method
The Baltics in the Geography of the Largest Transnational Corporations of Europe
No full textThe aim of this study is to examine the place of the Baltic States on the corporate world map, a contemporary, foreign-investment-driven alternative to the more familiar political map. To this end, the author studies the geographical place of the Baltics in the documentation of transnational corporations. The research database consists of financial reports and presentations of 60 leading European (including Russian) transnational corporations. Special attention is paid to companies from countries with significant FDI stock in the Baltic States. This study is a first step towards analyzing international investors’ interpretation of the new European borders. The connection between the neighborhood effect on FDI distribution and geographical segmentation in the corporate paperwork is established. Some companies use a multilevel division (e. g. Europe/Eastern Europe), where the Baltics is usually associated with “Europe” (with or without Russia and Turkey). However, in some cases the Baltic States are clustered u nder “home market” (as is the case with some Swedish companies), “former Soviet Union” (some Russian companies), “Northern Europe and Central Asia,” and even “Middle East and Eastern Europe." Varying understanding of where exactly th borders of Europe lie could explain the plurality of attitudes of the European business establishment to the EU sanctions against Russia
Lie Symmetry Analysis, Nonlinear Self-adjointness and Conservation Laws To an Extended (2+1)-Dimensional Zakharov–Kuznetsov–Burgers Equation
No full text(2+1)-dimensional Zakharov-Kuznetsov-Bergers EquationLie Symmetry AnalysisNonlinear Self-adjointnessConservation LawsWang, G, Fakhar K. (2015). Lie symmetry analysis, nonlinear self-adjointness and conservation laws to an extended (2+1)-dimensional Zakharov-Kuznetsov-Burgers equation. Computers & Fluids, 119, 22 September 2015, Pages 143-148. “The final publication is available at Springer via : http://dx.doi.org/10.1016/j.compfluid.2015.06.033Peer reviewedFurthermore, the author may only post his/her version provided acknowledgement is given to the original source of publication and a link is inserted to the published article on Springer's website. The link must be provided by inserting the DOI number of the article in the following sentence: “The final publication is available at Springer via http://dx.doi.org/[insert DOI]”."Must link to publisher version with DOI Author's post-print must be released with a Creative Commons Attribution Non-Commercial No Derivatives LicensePeer reviewedThis work is embargoed until October 1, 2017
Poetics of Rap Poetry by Husky (Dmitry Kuznetsov).
No full textBakalaura darbs veltīts pētījumam par poētiskajām īpatnībām Krievijas repa izpildītāja Haskijas (Dmitrija Kuzņecova) daiļradē. Autors analizē viņa tekstu poētiku, atklāj raksturīgās metodes un īpatnības, kā arī to lomu emocionālā un mākslinieciskā vērtībā viņa dziesmās. Analīze tiek veikta dažādos līmeņos: no teksta strukturālajiem elementiem līdz stila paņēmieniem, metaforām un simbolikai. Šis pētījums varētu interesēt filoloģijas, kulturoloģijas speciālistus, kā arī ikvienu, kas interesējas par mūsdienu dzeju krievu valodā un repa kultūru.The bachelor's thesis is dedicated to the exploration of poetic features in the creative work of Russian rap artist Husky (Dmitriy Kuznetsov). The author analyzes the poetics of his lyrics, identifies characteristic techniques and features, and examines their role in creating emotional and artistic value in his songs. This research can be of interest to specialists in the field of philology, cultural studies, as well as for anyone interested in contemporary Russian-language poetry and rap culture
Initial-boundary value problems on a half-strip for the generalized Kawahara–Zakharov–Kuznetsov equation
No full textInitial-boundary value problems on a half-strip with different types of boundary conditions for the generalized Kawahara–Zakharov–Kuznetsov equation with nonlinearity of higher order are considered. In particular nonlinearity can be quadratic and cubic. Results on global existence and uniqueness in classes of weak and strong solutions and large-time decay of small solutions are established. The solutions are considered in weighted at infinity Sobolev spaces. The use of weighted spaces is crucial for the study. To this end new interpolating inequalities in weighted anisotropic Sobolev spaces are established. Both exponential and power weights are admissible. © 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG
Transborder corporate integration in the Baltic Sea Region
No full textThe paper examines flows of foreign direct investment within the Baltic region. The author demonstrates close investment ties among the EU members, which are of special importance for Estonia, Latvia and Lithuania. Transborder corporate integration in the region is characterized by significant imbalances. In many aspects, it can be viewed as Sweden’s economic expansion or development of domestic markets for northern European companies. Although many German, Polish and Russian companies are involved in corporate integration in the Baltic region, other vectors of their foreign economic relations are still more important for them. As a result, the integration of Russian business in the Baltic part of the European integration area is still rather weak despite Russia’s considerable foreign direct investment in the Baltic States
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