Normal Coordinates in Affine Geometry geometric objects are real analytic functions, normal 
coordinates in a neighborhood of an arbitrary point
 Estimation of athlete coordination abilities based on the reproducibility analysis of the electromyographic patterns of complex coordination movementsDavydova, N. S., 
Vasiuk, V., 
Osipov, A. N., 
Mikhuta, I., 
Khokholko, A. A., 
Mezhennaya, M. M., 
Davydov, M. V.  informative components of the athletes' 
coordination abilities are presented: the 
coefficient of influence
 Phase-ray coordinate system corresponding to Maxwell’s equations solution and the curvilinear 
coordinates of geometrical optics. It generalizes the results achieved by Lüneburg, concerning
 Mathematical model of coordination number of spherical packingThe article considers a mathematical model of the 
coordination number, which allows obtaining
 Geometric Characteristics of Surfaces with Curved Trapezoidal PlanA method of forming a curved orthogonal 
coordinate system on a plane and a technique
 The antennas on a mobile board and their electromagnetic compatibility-coupling 
coefficients on a mobile board in case of limitations on coverage for each antenna. To determine a minimum
 Long-range memory and non-Markov statistical effects in human sensorimotor coordination sensorimotor 
coordination are investigated. The theoretical basis of this study is the statistical theory