3 papers
math.NA2026
Fast algorithms for interpolation with clamped -splines of order four
O. Kounchev, H. Render, G. Simeonov +1
Interpolation and smoothing using cubic and generalized splines are fundamental tools in data analysis and statistical modeling. Recently, fast computational algorithms were develo…
math.CA2025
On the critical length conjecture for spherical Bessel functions in CAGD
Ognyan Kounchev, Hermann Render
A conjecture of J.M. Carnicer, E. Mainar and J.M. Peña states that the critical length of the space generated by the functions and f…
math.CA2024
Inequalities for exponential polynomials with applications to moment sequences
Ognyan Kounchev, Hermann Render, Tsvetomir Tsachev
Let be the unique solution of the differential operator such that $Φ_{Î_{n}}^{\left( j\right) }\left( 0\right)…