1,694 research outputs found
Über den Rang der Polyeder der besten Approximationen im Raume der stetigen Funktionen
No full textThe abstracts (in two languages) can be found in the pdf file of the article.
Original author name(s) and title in Russian and Lithuanian:
З. С. Романова. О размерности многогранников наилучших приближений в пространстве непрерывных функций
Z. Romanova. Geriausiųjų tolydinės funkcijos aproksimacijų poliedro ranga
Insurance market in Latvia
No full textBakalaura darbā "Apdrošināšanas tirgus Latvijā" autore Jekaterina Romanova analizēja apdrošināšanas tirgus teorētiskos aspektus, apdrošināšanas tirgu Latvijā - tirgus dalībniekus, piedāvātos pakalpojumus, prēmīju apjomus, kā arī apdrošināšanas tirgus Latvijā attīstības tendences, izmaiņas un attīstības perspektīvas ar mērķi atklāt pozitīvos momentus un trūkumus, kā arī izstrādāt priekšlikumus apdrošināšanas tirgus uzlabošanai. Lai sasniegtu izvirzīto mērķi, autore izvirzījusi šādus uzdevumus: 1)pamatojoties uz speciālo literatūru, pētīt apdrošināšanas tirgus teorētiskos aspektus; 2)izpētīt Latvijas apdrošināšanas tirgus izmaiņas; 3)analizēt apdrošināšanas riskus Latvijā; 4)izdarīt secinājumus un izstrādāt priekšlikumus apdrošināšanas tirgum Latvijā. Darba apjoms: 63 lpp., 3 nodaļas, 2 tabula, 4 attēli, 1 pielikums un bibliogrāfisko norāžu saraksts ar 34 avotiem. Atslēgas vārdi: apdrošināšanas tirgus, dzīvības apdrošināšanas tirgus, apdrošināšanas riski, tirgus forma.In the Bachelor's Thesis "Insurance Market in Latvia", the author Jekaterina Romanova analyzed the theoretical aspects of the insurance market, the insurance market in Latvia - market participants, premium rates, as well as the insurance market in Latvia development trends, changes and development perspectives to reveal also to develop proposals for improving the insurance market. In order to achieve the set goal, the author has set the following tasks: 1) to study the theoretical aspects of the insurance market on the basis of special literature; 2) to study changes in the Latvian insurance market; 3) to analyze insurance risks in Latvia; 4) to draw conclusions and develop proposals for the insurance market in Latvia. Researc consists of: 63 pages, 3 chapters, 2 chart, 4 pictures, 1 appendix and index of literature with 34 sources. Keywords: insurance market, life insurance market, life insurance market, insurance risks, market structure
QPO emission from moving hot spots on the surface of neutron stars: a model
No full textWe present recent results of 3D magnetohydrodynamic simulations of neutron stars with small misalignment angles, as regards the features in light curves produced by regular movements of the hot spots during accretion on to the star. In particular, we show that the variation of position of the hot spot created by the infalling matter, as observed in 3D simulations, can produce high-frequency quasi-periodic oscillations (QPOs) with frequencies associated with the inner zone of the disc. Previously reported simulations show that the usual assumption of a fixed hot spot near the polar region is valid only for misalignment angles Θ relatively large. Otherwise, two phenomena challenge the assumption: one is the presence of Rayleigh-Taylor instabilities at the disc-magnetospheric boundary, which produce tongues of accreting matter that can reach the star almost anywhere between the equator and the polar region; the other one is the motion of the hot spot around the magnetic pole during stable accretion. In this paper, we start by showing that both phenomena are capable of producing short-term oscillations in the light curves. We then use Monte Carlo techniques to produce model light curves based on the features of the movements observed, and we show that the main features of kHz QPOs can be reproduced. Finally, we show the behaviour of the frequencies of the moving spots as the mass accretion rate changes, and propose a mechanism for the production of double QPO peaks
The impact of university education on economic development countries
No full textBelyalov T., Tripak M., Popil Y., Romanova V., Vilchynska O. Serdiuk O. The impact of university education on economic development countries. AD ALTA: Journal of interdisciplinary research. Special Issue №: 11/02/XXIІ. (Vol. 11, Issue 2, Special Issue XXIІ. Р. 66-70. URL: http://www.magnanimitas.cz/ADALTA/110222/papers/A_11.pdf
Jenergeticheskoe sotrudnichestvo Rossii i Evrosojuza: osnovnye napravlenija jevoljucii i sovremennoe sostojanie [EU — Russia energy cooperation: major development trends and the present state]
No full textThe article analyzes the development of EU — Russia energy relations through the lens of the evolution of three parameters: the political agenda (the Energy Dialogue), the institutional structure, and the legal modalities. The identification of these three aspects for assessing the evolution of EU-Russia energy relations is the novelty in the author’s approach. This study aims to identify the previous stages and assess the current state of EU — Russia energy dialogue, since they set out conditions for energy cooperation in the Baltic Sea region. This research is based on a political and legal analysis of various documents and employs various international relations theories (including integration theories). The article demonstrates that the EU and Russia have made a transition to the integration agenda manifested in the Energy Dialogue (its current goal is the creation of a common European energy market). The author describes the process of gradual consolidation of transgovernmental and transnational institutions, which leads to depoliticization of cooperation and mutual socialization of the partners. Finally, legal discussions on the development of common rules have become more constructive. In sum, the current situation in EU — Russia energy relations is favourable and positively affects cooperation in the Baltic Sea region
A Writer and a Witch: The Phenomenon of Mariana Romanova in Russian Literature of the 21st Century (2002-2021)
No full textAutor przybliża sylwetkę mistrzyni horroru, Marjany Romanowej (ur. 1979), kontrowersyjnej współczesnej pisarki rosyjskiej średniego pokolenia, która oprócz literatury zajmuje się także profesjonalnie sztuką wiedźmińską. Przez niektórych krytyków jest nazywana rosyjskim Stephenem Kingiem. Badacz śledzi drogę życiową Romanowej od najwcześniejszego etapu jej fascynacji sportami ekstremalnymi do najnowszych prób literackich, paraliterackich i pozaliterackich, w których ujawniają się autorskie fascynacje ezoterycznym drugim wymiarem oraz skutki indywidualnych eksperymentów z własną świadomością, a także zamiłowanie do propagowania tajemnic świata. Artykuł jest syntetycznym wprowadzeniem do problematyki i poetyki Romanowej, w której stylu indywidualnym można odnaleźć nawiązania do klasyków literatury rosyjskiej: tekstów niesamowitych Nikołaja Gogola, płynności opowiadania Nadieżdy Teffi czy tajemniczej narracji Aleksieja K. Tołstoja.The author discusses the persona of the master of horror, Mariana Romanova (b. 1979), a controversial contemporary Russian writer, who, for some critics, is the “Russian Stephen King”. The author traces Romanova’s life path from the earliest stage of her fascination with extreme sports to her most recent literary, para-literary and non-literary attempts, in which she demonstrates her fascination with the esoteric second dimension, the results of individual experiments with her own consciousness, and her passion for the dissemination of the world’s mysteries. This article constitutes an abridged introduction to the subject matter and poetics created by Romanova, whose individual style bears references to the classics of Russian literature: the astonishing writings of Nikolai Gogol, the fluidity of Nadezhda Teffi’s storytelling, and the mysterious narrations woven by Aleksey K. Tolstoy
The effects of addition of mononucleotides on Sma nuc endonuclease activity
Get PDFExamination of the effects of mononucleotides on Sma nuc endonuclease originated from Gram negative bacterium Serratia marcescens displayed that any mononucleotide produced by Sma nuc during hydrolysis of DNA or RNA may regulate the enzyme activity affecting the RNase activity without pronounced influence on the activity towards DNA. The type of carbohydrate residue in mononucleotides does not affect the regulation. In contrast, the effects depend on the type of bases in nucleotides. AMP or dAMP was classified as a competitive inhibitor of partial type. GMP, UMP, and CMP were found to be uncompetitive inhibitors that suggest a specific site(s) for the nucleotide(s) binding in Sma nuc endonuclease. Copyright © 2012 Julia Romanova and Maria Filimonova
The effects of addition of mononucleotides on Sma nuc endonuclease activity
No full textExamination of the effects of mononucleotides on Sma nuc endonuclease originated from Gram negative bacterium Serratia marcescens displayed that any mononucleotide produced by Sma nuc during hydrolysis of DNA or RNA may regulate the enzyme activity affecting the RNase activity without pronounced influence on the activity towards DNA. The type of carbohydrate residue in mononucleotides does not affect the regulation. In contrast, the effects depend on the type of bases in nucleotides. AMP or dAMP was classified as a competitive inhibitor of partial type. GMP, UMP, and CMP were found to be uncompetitive inhibitors that suggest a specific site(s) for the nucleotide(s) binding in Sma nuc endonuclease. Copyright © 2012 Julia Romanova and Maria Filimonova
V. L. Romanova. Rukopisnaja kniga i gotičeskoe pis'mo vo Francii v XIII-XIV vv. Po materialam sobranija rukopisnykh knig Gosudarstvennoj Publičnoj biblioteki im. M. E. Saltykova-Ščedrina [= Le livre manuscrit et l'écriture gothique en France aux XIIIe-XIVe s. D'après des manuscrits de la Bibliothèque Publique d'Etat-Saltykov- Ščedrin]
No full textKisseleva L. V. L. Romanova. Rukopisnaja kniga i gotičeskoe pis'mo vo Francii v XIII-XIV vv. Po materialam sobranija rukopisnykh knig Gosudarstvennoj Publičnoj biblioteki im. M. E. Saltykova-Ščedrina [= Le livre manuscrit et l'écriture gothique en France aux XIIIe-XIVe s. D'après des manuscrits de la Bibliothèque Publique d'Etat-Saltykov- Ščedrin]. In: Scriptorium, Tome 31 n°1, 1977. p. 136
Boron-doped polycyclic aromatic hydrocarbons: A molecular set revealing the interplay between topology and singlet fission propensity
Get PDFWe demonstrate the relationship between the topology (the way in which the atoms are connected), open-shell character, and singlet fission (SF) propensity in a series of diboron-doped anthracenes and phenanthrenes. The study is performed by using high-level wave-function-based quantum-chemical calculations. The results show that the molecular topology plays a crucial role for the optical properties and, respectively, for the SF propensity of the studied compounds. The topology-derived correlations between the structure and properties are interpreted in the light of the Kekulé hydrocarbons concept and serve as molecular design guidelines for the discovery of new SF materials. Finally, several boron-doped polycyclic aromatic hydrocarbons are proposed as SF chromophores for organic solar cells
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