Bifurcations and a chaos strip in states of long Josephson junctions

Stationary and nonstationary, in particular, chaotic states in long Josephson junctions are investigated. Bifurcation lines on the parametric bias current-external magnetic field plane are calculated. The chaos strip along the bifurcation line is observed. It is shown that transitions between stationary states are the transitions from metastable to stable states and that the thermodynamical Gibbs potential of these stable states may be larger than for some metastable states. The definition of a dynamical critical magnetic field characterizing the stability of the stationaryComment: 13 pages, 6 Postscript figures, uses revtex.st

From quality education to the qualities of the person

Рассматриваются проблемы качества профессионального образования. Подчеркивается, что задача педагога заключается в том, чтобы на всем протяжении обучения постоянно удерживать в своем сознании все три измерения ценности образования, не теряя из вида ни Культуру, ни Человека, ни ЭкономикуThe article discusses the problem of quality of professional education. It is stressed that the task of the teacher throughout the training, constantly keep in your mind all three dimensions of values education, without losing sight of the Culture, or the Econom

Why the current state standard of secondary vocational education loses its importance?

Currently in the Russian secondary vocational education ends with the formation of the system of conditions ensuring its transition to educational standards of new generationВ настоящее время в российском среднем профессиональном образовании завершается формирование системы условий, обеспечивающих его переход к образовательным стандартам нового поколени

Toroidal Vortices in Resistive Magnetohydrodynamic Equilibria

Resistive steady states in toroidal magnetohydrodynamics (MHD), where Ohm's law must be taken into account, differ considerably from ideal ones. Only for special (and probably unphysical) resistivity profiles can the Lorentz force, in the static force-balance equation, be expressed as the gradient of a scalar and thus cancel the gradient of a scalar pressure. In general, the Lorentz force has a curl directed so as to generate toroidal vorticity. Here, we calculate, for a collisional, highly viscous magnetofluid, the flows that are required for an axisymmetric toroidal steady state, assuming uniform scalar resistivity and viscosity. The flows originate from paired toroidal vortices (in what might be called a ``double smoke ring'' configuration), and are thought likely to be ubiquitous in the interior of toroidally driven magnetofluids of this type. The existence of such vortices is conjectured to characterize magnetofluids beyond the high-viscosity limit in which they are readily calculable.Comment: 17 pages, 4 figure

Professional standard pedagogical activities in vocational education and training

The article presents the methodological issues of the development and implementation of professional standards in education and science: the need and the possibility to standardize of pedagogical and research activity, the destination of professional standards, approaches and problems of their developmentВ статье рассматриваются методологические и методические вопросы разработки и внедрения профессиональных стандартов в области образования и науки: необходимость и возможность стандартизации педагогической и научно-исследовательской деятельности, назначение профессиональных стандартов, подходы и проблемные точки их разработк

Combined modeling of projected evaluation of the regional socio-economic development

Purpose: The article reveals the authors' approach to forecast the socio-economic development of a region. Design/Methodology/Approach: The framework of this approach envisages the construction of three interrelated models: a matrix predictor, an autoregressive model, and a binary choice logit model. This approach ensures an adequate reproduction of the systemic dynamics of indicators of regional socio-economic development. Findings: Authors' models require their implementation in the state management function of the regional economy and testing with specific examples illustrating opportunities of multidimensional economic and mathematical modeling of difficult socio-economic phenomena and processes. Practical implications: Authors' development represents a conceptual foundation for the development of digital regional socio-economic monitoring systems providing an opportunity for a qualitative increase in the reliability and relevance of prognostic parameters. Originality/Value: The contribution of the article is assessment of an opportunity to model the dynamics of multidimensional processes with the perspective to build a combined forecast model of the socio-economic development of the region, providing for the implementation of multivariate forecast calculations.peer-reviewe