Clemens Hofreither

Publication Activity (10 Years)

Years Active: 2009-2023
Publications (10 Years): 13

Top Topics

Back Projection

Computationally Expensive

Polynomial Approximation

Harmonic Functions

Top Venues

J. Comput. Appl. Math.

Comput. Math. Appl.

Numer. Algorithms

Publications

Tobias Danczul, Clemens Hofreither, Joachim Schöberl
A unified rational Krylov method for elliptic and parabolic fractional diffusion problems. Numer. Linear Algebra Appl. 30 (5) (2023)
Irina Georgieva, Clemens Hofreither
A Newton method for best uniform rational approximation. Numer. Algorithms 93 (4) (2023)
Tobias Danczul, Clemens Hofreither
On rational Krylov and reduced basis methods for fractional diffusion. J. Num. Math. 30 (2) (2022)
Tobias Danczul, Clemens Hofreither, Joachim Schöberl
A Unified Rational Krylov Method for Elliptic and Parabolic Fractional Diffusion Problems. CoRR (2021)
Clemens Hofreither
An algorithm for best rational approximation based on barycentric rational interpolation. Numer. Algorithms 88 (1) (2021)
Tobias Danczul, Clemens Hofreither
On Rational Krylov and Reduced Basis Methods for Fractional Diffusion. CoRR (2021)
Irina Georgieva, Clemens Hofreither
A Newton's Method for Best Uniform Polynomial Approximation. LSSC (2021)
Clemens Hofreither
A unified view of some numerical methods for fractional diffusion. Comput. Math. Appl. 80 (2) (2020)
Irina Georgieva, Stanislav Harizanov, Clemens Hofreither
Iterative low-rank approximation solvers for the extension method for fractional diffusion. Comput. Math. Appl. 80 (2) (2020)
Irina Georgieva, Clemens Hofreither
Greedy low-rank approximation in Tucker format of solutions of tensor linear systems. J. Comput. Appl. Math. 358 (2019)
Irina Georgieva, Clemens Hofreither
An algorithm for low-rank approximation of bivariate functions using splines. J. Comput. Appl. Math. 310 (2017)
Clemens Hofreither, Stefan Takacs
Robust Multigrid for Isogeometric Analysis Based on Stable Splittings of Spline Spaces. SIAM J. Numer. Anal. 55 (4) (2017)
Irina Georgieva, Clemens Hofreither
New results on regularity and errors of harmonic interpolation using Radon projections. J. Comput. Appl. Math. 293 (2016)
Clemens Hofreither, Walter Zulehner
Mass Smoothers in Geometric Multigrid for Isogeometric Analysis. Curves and Surfaces (2014)
Clemens Hofreither, Walter Zulehner
Spectral Analysis of Geometric Multigrid Methods for Isogeometric Analysis. NMA (2014)
Stanislav Stoykov, Clemens Hofreither, Svetozar Margenov
Isogeometric Analysis for Nonlinear Dynamics of Timoshenko Beams. NMA (2014)
Irina Georgieva, Clemens Hofreither
Interpolation of harmonic functions based on Radon projections. Numerische Mathematik 127 (3) (2014)
Irina Georgieva, Clemens Hofreither, Rumen Uluchev
Least Squares Fitting of Harmonic Functions Based on Radon Projections. MMCS (2012)
Clemens Hofreither
error estimates for a nonstandard finite element method on polyhedral meshes. J. Num. Math. 19 (1) (2011)
Clemens Hofreither, Ulrich Langer, Clemens Pechstein
A Non-standard Finite Element Method Based on Boundary Integral Operators. LSSC (2011)
Clemens Hofreither, Ulrich Langer, Satyendra K. Tomar
Boundary Element Simulation of Linear Water Waves in a Model Basin. LSSC (2009)