Nela Bosner

About employee

izv. prof. dr. sc. Nela Bosner

Title:	Associate Professor
Location:	302
Public phone number:	01 4605781
E-mail:	E-mail
Official web page URL:	https://www.pmf.unizg.hr/math/nela.bosner
Department:	Zavod za numeričku matematiku i znanstveno računanje
Graduation year:	1997
mr.sc. graduation year:	2001
PhD graduation year:	2006

Teaching

undergraduate

Seminar - History of computing (31443) - Lecturer in charge

graduate

Introduction to parallel computing (45663) - Lecturer in charge
Introduction to parallel computing (45698) - Lecturer in charge
Numerical methods in financial mathematics (45793) - Lecturer in charge
Scientific computing 1 (45655) - Lecturer in charge
Scientific computing 2 (45659) - Lecturer in charge

Consultations

Consulting time for the school year 2024/25 in the witer semester is :

Monday 10.00 - 12.00 in ofice 302.
by appointment - during the exams.

Published papers recorded in the Croatian Scientific Bibliography Database

Parallel implementations of Riemannian conjugate gradient methods for joint approximate diagonalization

Bosner, Nela
2024.

Parallel implementations of Riemannian Conjugate Gradient Methods for Joint Approximate Diagonalization

Bosner, Nela
2023.

Efficient Algorithms for Joint Approximate Diagonalization of Multiple Matrices

Bosner, Nela
2022.

Parallel reduction of four matrices to condensed form for a generalized matrix eigenvalue algorithm

Bosner, Nela
2021.
Numerical algorithms

Parallel Prony's method with multivariate matrix pencil approach and its numerical aspects

Bosner, Nela
2021.
SIAM journal on matrix analysis and applications

Joint Approximate Diagonalization of Several Matrices by an Optimization Algorithm on a Matrix Manifold

Bosner, Nela
2020.

Matematika i neuronske mreže

Gračan, Ela ; Bosner, Nela
2020.
Matematika i škola

Prepoznavanje lica pomoću tenzorske dekompozicije singularnih vrijednosti

Bosner, Nela ; Zirdum, Ivan
2019.
Math.e

Parallel Prony’s Method With Multivariate Matrix Pencil Approach

Bosner, Nela
2019.

Speeding-up simultaneous reductions of several matrices to a condensed form

Bosner, Nela
2018.

Parallel reduction of four matrices to the condensed form for a general matrix eigenvalue algorithm

Bosner, Nela
2018.

Parallel Solver for Shifted Systems in a Hybrid CPU--GPU Framework

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, Zlatko
2018.
SIAM journal on scientific computing

Parallel solver for shifted linear systems with application to model order reduction

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, Zlatko
2017.

Parallel and heterogeneous m-Hessenberg-triangular-triangular reduction

Bosner, Nela ; Karlsson, Lars
2017.
SIAM journal on scientific computing

Parallel solver for shifted systems

Bujanović, Zvonimir ; Bosner, Nela
2016.

A hybrid algorithm for solving shifted linear systems

Bujanović, Zvonimir
2016.

Efficient Algorithm for Simultaneous Reduction to the m-Hessenberg–Triangular–Triangular Form

Bosner, Nela
2015.
BIT numerical mathematics

Genetski algoritmi i biomorfi

Bosner, Nela ; Droždjek, Tomislav
2015.
Math.e

A GPU algorithm for computing the frequency response

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, Zlatko
2014.

Balancing three matrices in control theory

Bosner, Nela
2014.
Mathematical communications

Fast Algorithm for Computing the Condensed Form of Four Matrices for the VZ Algorithm

Bosner, Nela
2014.

Efficient generalized Hessenberg form and applications

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, Zlatko
2013.
Acm transactions on mathematical software

GPU algorithms for solving shifted systems with multiple right–hand sides

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, Zlatko
2012.

Efficient algorithms for solving shifted systems with multiple right–hand sides

Bosner, Nela ; Bujanović, Zvonimir ; Drmač, zlatko
2011.

Subspace gap residuals for Rayleigh-Ritz approximations

Bosner, Nela ; Drmač, Zlatko
2009.
SIAM journal on matrix analysis and applications

Increasing efficiency of inverse iteration

Bosner, Nela
2008.
Annali dellNULLUniversità di Ferrara. Sezione 7: Scienze matematiche

Block and Parallel Versions of One-Sided Bidiagonalization

Bosner, Nela ; Barlow, Jesse L.
2007.
SIAM journal on matrix analysis and applications

On accuracy properties of one-sided bidiagonalization algorithm and its applications

Bosner, Nela ; Drmač, Zlatko
2005.

A new stable bidiagonal reduction algorithm

Barlow, Jesse ; Bosner, Nela ; Drmač, Zlatko
2005.
Linear algebra and its applications

A new stable bidiagonal reduction algorithm

Barlow, Jesse L. ; Bosner, Nela ; Drmač, Zlatko
2005.
Linear algebra and its applications

Špilja Kuštrovka

Bosner, Nela
2004.
Speleolog

Speleološka istraživanja Crnopca u 2002. i 2003. godini

Kuhta, Mladen ; Borovec, Martina ; Bosner, Nela
2004.
Speleolog

Block and parallel versions of one-sided bidiagonalization algorithm

Bosner, Nela
2004.

On numerical properties of one-sided bidiagonalization algorithm

Bosner, Nela ; Drmač, Zlatko
2003.

Numerical stability of Krylov subspace iterative methods for solving linear systems

Bosner, Nela
2003.

Iterative methods for solving linear systems

Bosner, Nela
2001.

More information about publications

List of select publications

N. Bosner, Parallel Prony's method with multivariate matrix pencil approach and its numerical aspects, SIAM Journal on Matrix Analysis and Applications vol. 42 (2), 2021, pp. 635 - 658.
N. Bosner, Parallel reduction of four matrices to condensed form for a generalized matrix eigenvalue algorithm, Numerical Algorithms, vol. 86 (1), 2021, pp. 153 - 178.
N. Bosner, Z. Bujanović, Z. Drmač, Parallel solver for shifted systems in a hybrid CPU-GPU framework, SIAM Journal on Scientific Computing, vol. 40 (4), 2018, pp. C605 - C633.
N. Bosner, L. Karlsson, Parallel and heterogeneous m-Hessenberg-triangular-triangular reduction, SIAM Journal on Scientific Computing, vol. 39 (1), 2017, pp. C29 - C47.
N. Bosner, Efficient algorithm for simultaneous reduction to the m-Hessenberg-triangular-triangular form, BIT Numerical Mathematics, vol. 55 (3), 2015, pp. 677 – 703.
N. Bosner, Balancing three matrices in control theory, Mathematical Communications, vol. 19 (3), 2014, pp. 497 – 516.
N. Bosner, Z. Bujanović, Z. Drmač, Efficient Generalized Hessenberg Form and Applications, ACM Transactions on Mathematical Software, vol. 39 (3), 2013, pp. 19:1 - 19:19.
N. Bosner, Z. Drmač, Subspace Gap Residuals for Rayleigh-Ritz Approximations, SIAM Journal on Matrix Analysis and Applications, vol. 31 (1), 2009, pp. 54 – 67.
N. Bosner, Increasing efficiency of inverse iteration, Annali dell'Universita di Ferrara, vol 54 (2), 2008, pp. 203 – 216.
N. Bosner, J. L. Barlow, Block and parallel versions of one-sided bidiagonalization, SIAM Journal on Matrix Analysis and Applications, vol. 29 (3), 2007, pp. 927 – 953.
J. L. Barlow, N. Bosner, Z. Drmač, A new stable bidiagonal reduction algorithm, Linear Algebra and its Applications, vol. 397, 2005, pp. 35 – 84.
N. Bosner, Z. Drmač, On accuracy properties of one-sided bidiagonalization algorithm and its applications, u Proceedings of the Conference on Applied Mathematics and Scientific Computing, Z. Drmač, M. Marušić, Z. Tutek, editori, Springer, Dordrecht, 2005, pp. 141 – 150.
N. Bosner, Numerical stability of Krylov subspace iterative methods for solving linear systems, u Applied Mathematics and Scientific Computing, Z. Drmač, V. Hari, L. Sopta, Z. Tutek, K. Veselić, editori, Kluwer Academic / Plenum Publishers, New York, 2003, pp. 209 – 217.
Doctoral thesis : Fast Methods for Large Scale Singular Value Decomposition, Department of Mathematics, Faculty of Science, University of Zagreb, 2006.
Master thesis : Iterative methods for solving linear systems, Department of Mathematics, Faculty of Science, University of Zagreb, 2001 (in Croatian)

Professional memberships

Professional interest: numerical linear algebra and scientific computing

iterative methods for solving linear systems
numerical analysis
methods for large scale singular value and eigenvalue problems
high performance computing (parallel algorithms, GPU)
solving matrix problems in control theory
efficient simultaneous factorization of multiple matrices

Member of the Croatian Mathematical Society.

List of select projects

Randomized low rank approximations and applications to parameter dependent problems IP-2019-04-6268

Past employments

February 1998. - November 2007: junior researcher
- 1998. - 2006.: teaching assistant
- 2006. - 2007.: higher teaching assistant
November 2007. - today: assistant professor

Hobbies and interests

Memeber of Speleological Section of Mountaineering Society "Željezničar"

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