Electron Microscopy and Electron Diffraction Studies of Morphology and Crystal Structure of Natural Silicas

Crystallography Reports - The development of fundamental and applied geology requires an ever-increasing amount of data on the structures and properties of rocks at different scales. Of particular...     

Solution of Ponomarev’s Problem of Condensation onto Compact Sets

Siberian Mathematical Journal - Assuming the Continuum Hypothesis (CH), we prove that there exists a perfectly normal compact topological space  $ Z $ and a countable set...     

$ P $ -Stability of Some Classes of $ S $ -Acts

Siberian Mathematical Journal - The notion of $ P $ -stability is a particular case of the generalized stability of complete theories. This paper discusses some problems that are related to the $ P...     

Differential Approach–Evasion Game: Alternative Solvability and the Construction of Relaxations

Differential Equations - A nonlinear differential approach–evasion game is studied. For this game, Krasovskii and Subbotin established a fundamental theorem on the alternative. The game...     

Localization for Hyperbolic Measures on Infinite-Dimensional Spaces

Functional Analysis and Its Applications - Properties of the extreme points of families of concave measures on infinite-dimensional locally convex spaces are studied. The localization method is...     

Piecewise Monotonicity for Unary Functions in o-Stable Groups

Algebra and Logic - Unary functions definable in o-stable ordered groups of nonvaluational type are studied. Such functions are proved to be piecewise monotone and continuous.     

Application of Synchrotron Radiation to Analyze the Friction-Induced Structural and Phase Transformations of Chrome-Nickel Austenitic Steel

Russian Physics Journal -     

Equation for Condensed Matter Phase Transitions

Russian Physics Journal - A unified equation for the pressure drop in the apparatus with the stationary and fluidized granular layers is derived. The resulting recurrent equation is used to...     

Influence of Porosity on Fracture Toughness of Hydroxyapatite/Multi-Walled Carbon Nanotubes Biocomposite Materials

Russian Physics Journal - The paper analyzes the influence of porosity of hydroxyapatite (HA)/multi-wall carbon nanotubes (MWCNTs) composites on their fracture toughness. It is found that two...