4 papers
Characterization of polynomial surfaces of revolution and polynomial quadrics
Michal Bizzarri, Miroslav Lávička, J. Rafael Sendra +1
In this paper, we characterize the polynomiality of surfaces of revolution by means of the polynomiality of an associated plane curve. In addition, if the surface of revolution is…
Symmetries of discrete curves and point clouds via trigonometric interpolation
Michal Bizzarri, Miroslav Lávička, Jan Vršek
We formulate a simple algorithm for computing global exact symmetries of closed discrete curves in plane. The method is based on a suitable trigonometric interpolation of vertices…
Computing projective equivalences of special algebraic varieties
Michal Bizzarri, Miroslav Lávička, Jan Vršek
This paper is devoted to the investigation of selected situations when the computation of projective (and other) equivalences of algebraic varieties can be efficiently solved with…
Hermite interpolation by piecewise polynomial surfaces with polynomial area element
Michal Bizzarri, Miroslav Lávička, Zbyňek Šír +1
This paper is devoted to the construction of polynomial 2-surfaces which possess a polynomial area element. In particular we study these surfaces in the Euclidean space $\mathbb R^…