Results 21 to 28 of about 466 (28)

On two-dimensional shape-preserving approximation [PDF]

open access: yes, 2010
In this paper we investigate a problem of approximation of continuous mappings by smooth mappings with nonnegative ...
Radchenko, Danylo
core  

Complete graphs: the space of simplicial cones, and their path tree representation

open access: yes, 2017
Let $G$ be a complete graph with $n+1$ vertices. In a recent paper of the authors, it is shown that the path trees of the graph play a special role in the structure of the truncated powers and partition functions that are associated with the graph ...
Ron, Amos, Shengnan, Wang
core  

Irregular C2 surface construction using bi-polynomial rectangular patches [PDF]

open access: yes, 1991
The construction of C2 surfaces using bi-polynomial parametric rectangular patches is studied. In particular, the analy- sis of the C2 continuity conditions for the case of n patches meeting at an n-vertex is ...
Gregory, JA, Zhou, J
core  

Harmonic interpolation based on Radon projections along the sides of regular polygons

open access: yesOpen Mathematics, 2013
Georgieva Irina   +4 more
doaj   +1 more source

Optimal asymptotic bounds for spherical designs

open access: yes, 2013
Bondarenko, A.   +2 more
core   +1 more source

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