Kazan state Federal University E-Archive :: Browsing by Author "Elizarov A."

About restrictions on maximum velocity in inverse boundary-value problems of aerohydrodynamics

Elizarov A.; Maklakov D. (2010)

A number of formulations and methods were proposed to solve variational inverse boundary-value problems of aerohydrodynamics (IBPA). These problems were solved within the framework of the classical models of the mechanics ...

Algorithms for integration of unstructured mathematical documents into the common digital space of scientific knowledge

Gafurova P.; Elizarov A.; Lipachev E. (2021)

Algorithms for documents metadata formation of unstructured digital mathematical collections are proposed. They are based on the use of search queries to such open scientific resources of the World Wide Web as DBPedia, ...

Bilateral estimates of the critical mach number for some classes of carrying wing profiles

Avkhadiev F.; Elizarov A. (2001)

A problem of estimation of the critical Mach number for a class of carrying wing profiles with a fixed theoretical angle of attack is considered. The Chaplygin gas model is used to calculate the velocity field of the flow. ...

Design and optimization of airfoils in non-stalling incompressible flow with a prescribed range of the angle of attack

Elizarov A.; Fokin D. (1992)

A simple and reliable method of aerodynamic design of airfoils is proposed for a given range of the angle of attack. The method is based on the solution of a new inverse boundary-value problem of aerohydrodynamics. In the ...

Digital ecosystem ontomath: Mathematical knowledge analytics and management

Elizarov A.; Kirillovich A.; Lipachev E.; Nevzorova O. (2017)

© Springer International Publishing AG 2017.A mathematical knowledge management technology is discussed, its basic ideas, approaches and results are based on targeted ontologies in the field of mathematics. The solution ...

Digital libraries and the common digital space of mathematical knowledge

Elizarov A.; Lipachev E. (2021)

We present the results of the development of a range of semantic services for the integrated management of electronic scientific collections. The goals of these developments are the formation of a unified digital space of ...

Digital library metadata factories

Elizarov A.; Lipachev E. (2021)

As you know, today the digital economy is understood as an economy based on the processes of production and use of digital technologies. Currently, these processes are largely implemented on the basis of digital platforms ...

Digital mathematical libraries: Overview of implementations and content management services

Elizarov A.; Lipachev E.; Zuev D. (2017)

The paper gives a review of existing projects of implementation of digital mathematical libraries. An analysis of existing information systems of digital mathematical libraries is performed using the evaluation criteria ...

Electronic scientific journal-management systems

Elizarov A.; Zuev D.; Lipachev E. (2014)

In this article, the authors present modern information systems for the automatization of the full cycle of electronic scientific journal creation and publishing. The advantages of using open-access journal systems are ...

Exact solutions of basic variational inverse boundary value problem of aerohydrodynamics

Elizarov A.; Fokin D. (2004)

The problems of determining the maximum lift attainable on wing profile and the corresponding profile form are considered, in particular, for the ideal incompressible fluid model the construction of exact solutions different ...

Generalized Reduced Module of a Domain Over the Unit Disc with Circular and Radial Slits

Elizarov A.; Kazantsev A.; Kinder M. (2018)

© 2018, Pleiades Publishing, Ltd. For (n + 1)-ly connected planar domain D with analytic boundary we construct the function F(w,w0) = (w − w0)f(w,w0) which maps D conformally onto the unit disk with circular and radial ...

International Conference “Common Digital Space of Scientific Knowledge: Problems & Solutions” (CDSSK–2020)

Elizarov A.; Kalenov N.; Sotnikov A. (2021)

We present a collection of selected materials from the International Conference “Common Digital Space of Scientific Knowledge: Problems & Solutions” (CDSSK–2020), which took place on November 10–12, 2020 at Joint Supercomputer ...

Lobachevskii DML: Towards a semantic digital mathematical library of Kazan University

Elizarov A.; Lipachev E. (2017)

The digital mathematical library Lobachevskii DML is one of the national initiatives that have emerged in the past decade in different countries of the world. During this time, the formed technical and organizational ...

Mathematical content semantic markup methods and open scientific E-journals management systems

Elizarov A.; Lipachev E.; Zuev D. (2014)

© Springer International Publishing Switzerland 2014. The paper discusses the approach to automate the processing of electronic mathematical documents and their transformation into semantic documents. Structuring electronic ...

Mathematical knowledge management: Ontological models and digital technology

Elizarov A.; Kirilovich A.; Lipachev E.; Nevzorova O. (2016)

This paper is discussed basic ideas, approaches and the results obtained in the research project the objective of which is to develop mathematical knowledge management technologies based on ontologies. We are developing ...

Mathematical knowledge ontologies and recommender systems for collections of documents in physics and mathematics

Elizarov A.; Zhizhchenko A.; Zhil’tsov N.; Kirillovich A.; Lipachev E. (2016)

© 2016, Pleiades Publishing, Ltd.An approach to the implementation of a recommender system based on ontologies of mathematical knowledge is presented. On the basis of a document browsed by a user, the system forms on line ...

Maximization of the lift/drag ratio of airfoils with a turbulent boundary layer: Sharp estimates, approximation, and numerical solutions

Elizarov A.; Kalimullina A. (2009)

The lift/drag ratio of an airfoil placed in an incompressible attached flow is maximized taking into account the viscosity in the boundary-layer approximation. An exact solution is constructed. The situation when the ...

Maximizing the lift-drag ratio of wing airfoils with a turbulent boundary layer: Exact solutions and approximations

Elizarov A. (2008)

Exact solutions and approximations for maximizing the lift-drag ratio of wing airfoils with a turbulent boundary layer is discussed. The employment of the inviscid incompressible-fluid and boundary-layer models enables to ...

Metadata normalization methods in the digital mathematical library

Gafurova P.; Elizarov A.; Lipachev E.; Khammatova D. (2020)

Copyright © 2020 for this paper by its authors. Methods for the automatic generation of metadata for documents in digital mathematical collections in the formats of international resource aggregators in mathematics and ...

Methods of processing large collections of scientific documents and the formation of digital mathematical library

Elizarov A.; Lipachev E. (2020)

Copyright © 2020 for this paper by its authors. Digital mathematical libraries are today one of the tools for integrating mathematical knowledge. This integration method is based on the use of metadata. Our task was to ...

Browsing by Author "Elizarov A."

Browsing by Author "Elizarov A."

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