Ognyan Kounchev

According to our database, Ognyan Kounchev authored at least 19 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2023

Fast algorithms for interpolation with L-splines for differential operators L of order 4 with constant coefficients.

Ognyan Kounchev, Hermann Render, Tsvetomir Tsachev

J. Comput. Appl. Math., 2023

Spectral properties of the Laplacian of temporal networks following a constant block Jacobi model.

Zhana Kuncheva, Ognyan Kounchev

CoRR, 2023

2022

Error estimates for harmonic and biharmonic interpolation splines with annular geometry.

Ognyan Kounchev, Hermann Render, Tsvetomir Tsachev

CoRR, 2022

2021

Error estimates for interpolation with piecewise exponential splines of order two and four.

Ognyan Kounchev, Hermann Render

J. Comput. Appl. Math., 2021

2020

Error bounds for interpolation with piecewise exponential splines of order two and four.

Ognyan Kounchev, Hermann Render

CoRR, 2020

The TVBG-SEIR spline model for analysis of COVID-19 spread, and a Tool for prediction scenarios.

Ognyan Kounchev, Georgi Simeonov, Zhana Kuncheva

CoRR, 2020

2019

Interpolation of data functions on parallel hyperplanes.

Ognyan Kounchev, Hermann Render

J. Approx. Theory, 2019

2012

Compressive sensing for polyharmonic subdivision wavelets with applications to image analysis.

Ognyan Kounchev, Damyan Kalaglarsky

Proceedings of the 2012 Conference on Computer Systems and Technologies, 2012

2011

Quantization opportunities for polyharmonic subdivision wavelets applied to astronomical images.

Ognyan Kounchev, Damyan Kalaglarsky

Proceedings of the 12th International Conference on Computer Systems and Technologies, 2011

2010

Bernstein operators for extended Chebyshev systems.

J. M. Aldaz, Ognyan Kounchev, Hermann Render

Appl. Math. Comput., 2010

Polyharmonic Daubechies type wavelets in image processing and astronomy, II.

Ognyan Kounchev, Damyan Kalaglarsky, Milcho Tsvetkov

Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2010

Polyharmonic Daubechies type wavelets in image processing and astronomy, I.

Ognyan Kounchev, Damyan Kalaglarsky

Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing, 2010

2009

Shape preserving properties of generalized Bernstein operators on Extended Chebyshev spaces.

J. M. Aldaz, Ognyan Kounchev, Hermann Render

Numerische Mathematik, 2009

2008

On a new multivariate sampling paradigm and a polyspline Shannon function

Ognyan Kounchev, Hermann Render

CoRR, 2008

2007

Convergence of polyharmonic splines on semi-regular grids \mathbb<i>Z</i>× a \mathbb<i>Z</i>ⁿ for a®0.

Ognyan Kounchev, Hermann Render

Numer. Algorithms, 2007

On real-analytic recurrence relations for cardinal exponential B-splines.

J. M. Aldaz, Ognyan Kounchev, Hermann Render

J. Approx. Theory, 2007

2005

Polyharmonic splines on grids ℤ x aℤⁿ and their limits.

Ognyan Kounchev, Hermann Render

Math. Comput., 2005

Cardinal interpolation with polysplines on annuli.

Ognyan Kounchev, Hermann Render

J. Approx. Theory, 2005

2003

Application of PDE Methods to Visualization of Heart Data.

Ognyan Kounchev, Michael J. Wilson

Proceedings of the Mathematics of Surfaces, 2003