2 papers
math-ph2025
Spherical and Planar Ball Bearings -- a Study of Integrable Cases
Vladimir DragoviÄ, Borislav GajiÄ, Božidar JovanoviÄ
We consider the nonholonomic systems of homogeneous balls with the same radius that are rolling without slipping about a fixed sphere $\math…
math.AG2024
Orthogonal and Linear Regressions and Pencils of Confocal Quadrics
Vladimir DragoviÄ, Borislav GajiÄ
This paper enhances and develops bridges between statistics, mechanics, and geometry. For a given system of points in representing a sample of full rank, we construct…