Browsing by Publisher "Publ House Bulgarian Acad Sci"
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THE FIRST KIND AND THE SECOND KIND OSCULATING CURVES IN MINKOWSKI SPACE-TIME
(Publ House Bulgarian Acad Sci, 2009)In this paper we define the first kind and the second kind osculating curve in Minkowski space-time E-1(4). We restrict our investigation of osculating curves in E-1(4) to spacelike curves whose Frenet frame contains only ... -
A New Method For Construction Of Ph-Helical Curves In E-3
(Publ House Bulgarian Acad Sci, 2019)Helices curves are characterized by the property that their unit tangents maintain a constant inclination with respect to a fixed line, the axis of the helix. If a polynomial space curve is helical, it must be a ... -
Some properties of the multivariate százs operators
(Publ House Bulgarian Acad Sci, 2012)In this work some properties of multivariate Szazs operators are considered. We prove that the Szazs operators preserve some properties of the function of modulus of continuity, Lipschitz condition, and a kind of monotonicity.