Daniel B. Szyld

Department of Mathematics
College of Science and Technology
Temple University
(038-16)
1805 N Broad Street
Philadelphia, PA 19122-6094, USA
Phone +1 215 204 7288
FAX +1 215 204 6433
szyld AT temple DOT edu

(About this photograph, and others)

My interest is Numerical Analysis and Scientific Computing in general, and Numerical and Applied Linear Algebra in particular.

I am a member of the Center for Computational Mathematics and Modeling at Temple University.

I am a member of the Editorial Boards of:
The Electronic Journal of Linear Algebra (ELA),
the Electronic Transactions on Numerical Analysis (ETNA) (European mirror site),
Linear Algebra and its Applications,
Mathematics of Computation,
Numerical Linear Algebra with Applications,
Journal of Numerical Analysis and Approximation Theory (published by the Romanian Academy),
SeMA Journal: Boletín de la Sociedad Española de Matemática Aplicada,
and the SIAM Journal on Matrix Analysis and Applications (Editor-in-chief).

I am currently the Chair of the SIAM Committee on Section Activities


Seminars at Temple University.
Applied Mathematics and Scientific Computing at Temple University.
Mathematical Contest in Modeling for undergraduates at Temple.

Upcoming conferences and events of note:

Mid-Atlantic Numerical Analysis Day, 15 November 2019, Temple University, Philadelphia.
26th International Conference on Domain Decomposition Methods, 2-6 December 2019, Hong Kong.
Numerical Linear Algebra for PDEs and Large Scale Optimization, 17-18 February 2020, Padova, Italy.
Copper Mountain Conference on Iterative Methods, 21-26 March 2020, Copper Mountain, Colorado.
Workshop on the Interplay of Discretization and Algebraic Solvers: A Posteriori Error Estimates and Adaptivity, 30 March — 1 April 2020, INRIA Paris.
Peruvian Conference on Scientific Computing, 30 March - 2 April 2020, Cusco, Peru.
Mathematical Modeling of Complex Systems (M2CS), 13-16 April 2020, Cadi Ayyad University, Marrakech, Morocco.
Householder Symposium XXI, 14-19 June 2020, Hotel Sierra Silvana, Selva di Fasano, Bari, Italy.
23rd Conference of the International Linear Algebra Society (ILAS 2020), 22-26 June 2020, National University of Ireland, Galway.
SIAM Conference on Applied Linear Algebra, 17-21 May 2021, New Orleans.
Mathematical Congress of the Americas, 19-24 July 2021, Buenos Aires, Argentina.
24nd Conference of the International Linear Algebra Society (ILAS2022) 6-10 June 2022, Madrid, Spain.
Tenth International Congress on Industrial and Applied Mathematics (ICIAM 2023), 20-25 August 2023, Tokyo.

An Interview

I gave, which appeared in IMAGE, The Bulletin of the International Linear Algebra Society, November 2018. It was conducted by Froilán Dopico.

Some math-related opinions of note:

Maths spying: The quandary of working for the spooks, from The New Scientist, April 2014.

Mathematicians and Ethical Engagement, from SIAM News, November 2018.


A letter to the editor of the New York Times

I wrote about the mathematics of voting. 16 October 2016.

My latest research papers are

Christian Glusa, Erik G. Boman, Edmond Chow, Sivasankaran Rajamanickam, and Daniel B. Szyld. Scalable Asynchronous Domain Decomposition Solvers, Research Report 19-10-11, October 2019. Bibtex

Andreas Frommer, Kathryn Lund, and Daniel B. Szyld, Block Krylov subspace methods for functions of matrices II: Modified block FOM, Research Report 19-04-10, April 2019. Revised October 2019. Bibtex

Mireille El Haddad, José C. Garay, Frédéric Magoulès, and Daniel B. Szyld, Synchronous and Asynchronous Optimized Schwarz Methods for one-way subdivision of bounded domains, Research Report 18-07-18, July 2018. Revised June 2019. To appear in Numerical Linear Algebra with Applications. Bibtex

José C. Garay, Frédéric Magoulès, Daniel B. Szyld, Synchronous and Asynchronous Optimized Schwarz Method for Poisson's Equation in Rectangular Domains, Research Report 17-10-18, October 2017. Revised April 2018. Bibtex

René Kehl, Reinhard Nabben, and Daniel B. Szyld, Adaptive Multilevel Krylov Methods, Research Report 17-06-24, June 2017. Revised April 2018, May 2019, and October 2019 . To appear in Electronic Transactions on Numerical Analysis. Bibtex

Eric King-wah Chu, Daniel B. Szyld, and Jieyong Zhou , Numerical solution of singular Lyapunov equations, Research Report 16-06-02, June 2016. Revised September 2019. Bibtex

Micheael L. Parks, Kirk M. Soodhalter, and Daniel B. Szyld, A block Recycled GMRES method with investigations into aspects of solver performance, Research Report 16-04-04, April 2016. Revised August 2017. Available also at the arxiv. Bibtex
Supplementary Materials.
Software for block Recycled GMRES is available at Zenodo.

PUBLISHED IN 2019:

Endao Han, Liang Zhao, Nigel Van Ha, S. Tonia Hsieh, Daniel B. Szyld, and Heinrich M. Jaeger. Dynamic jamming of dense suspensions under tilted impact. Physical Review Fluids. Vol. 4 (2019) 063304. Bibtex

PUBLISHED IN 2018:

José C. Garay Frédéric Magoulès, Daniel B. Szyld, Optimized Schwarz Method for Poisson's Equation in Rectangular Domains, Proceedings of the 24th International Conference on Domain Decomposition Methods. Peter E. Bjostard, Sussane C. Brenner, Lawrence Halpern, Hyea Hyun Kim, Ralf Kornhuber, Talal Rahman, and Olof B. Widlund, eds., Lecture Notes in Computer Science and Engineering, vol. 125, Springer, Berlin and Heidelberg, 2018, pages 533-541. Bibtex

José C. Garay Frédéric Magoulès, Daniel B. Szyld, Convergence of Asynchronous Optimized Schwarz Methods in the plane, Proceedings of the 24th International Conference on Domain Decomposition Methods. Peter E. Bjostard, Sussane C. Brenner, Lawrence Halpern, Hyea Hyun Kim, Ralf Kornhuber, Talal Rahman, and Olof B. Widlund, eds., Lecture Notes in Computer Science and Engineering, vol. 125, Springer, Berlin and Heidelberg, 2018, pages 333-341. Bibtex

Carlos Echeverría, Joerg Liesen, Daniel B. Szyld, and Petr Tichý, Convergence of the multiplicative Schwarz method for singularly perturbed convection-diffusion problems discretized on a Shishkin mesh. Electronic Transactions on Numerical Analysis, vol. 48 (2018) pp.40-62. Bibtex

Work on most of these papers was supported in part by the Department of Energy (Office of Science), and by the National Science Foundation.

Other Papers: Chronological . By subject.
See also the Proceedings of Seminar on Web Information Retrieval and Other Applications of Markov Chain Modeling
Complete CV (Temple format) or shorter CV. Google scholar profile.
Current PhD student supervision at Temple: Xinli Yu
Current postdoctoral supervision: Faycal Chaouqui

Links to former students and postdocs


Honors and Awards.
Commemorative medal of the School of Mathematics and Physics, Charles University of Prague, at the Czech-U.S. Workshop on Iterative Methods and Parallel Computing, June 16-21, 1997, Milovy, Czech Republic.
Featured in the book Hall of Fame containing linocuts portraits of scientists in the field of scientific computing made by Henk van der Vorst. Published by SARA, the High Performance Computing Agency of the Netherlands, December 2010.
Dean's Distinguished Award for Excellence in Research, College of Science and Technology, Temple University, October 2011.
Fellow of the American Mathematical Society, Class of 2017.
Fellow of the Society of Industrial and Applied Mathematics, Class of 2017. (A note from the College's news on these two recognitions).
Achievement in Mathematics Award, College of Science and Technology 20th Anniversary Special Recognition, Temple University, November 2018.


Scientific Societies.
American Mathematical Society (AMS).
Asociación Argenitina de Matemática Aplicada, Computational e Industrial (ASAMCI) .
Association for Women in Mathematics (AWM).
GAMM Activity Group on Applied and Numerical Linear Algebra .
International Linear Algebra Society (ILAS).
Mathematical Council of the Americas.
National Association of Mathematicians (NAM).
Society of Industrial and Applied Mathematics (SIAM). Check this video clip: Why be a SIAM member?
SIAM Activity Group on Linear Algebra. See an article on Trends in Linear Algebra.
Unión Matemática de América Latina y el Caribe (UMALCA).
Check also the pages for Domain Decomposition Methods, the NA-Digest, and for the Householder Symposia.

Two great resources: Why do math?, What's Happening in the Mathematical Sciences?.

And two wonderful websites honoring mathematicians: Mathematically Gifted and Black, Latin@s and Hispanics in the Mathematical Sciences.


Links to some good friends and colleagues

I am a member of the Union of Concerned Scientists (UCS).
Faculty at Temple U. is unionized, our Union (TAUP) is part of the American Federation of Teachers (AFL-CIO).
I like to read The Nation; see also This can't be happening. I like to listen to Pacifica Radio, and Democracy Now!
Links to the Washington Office on Latin America (WOLA), the Council for Hemispheric Affairs (COHA), and to NACLA (North American Congress on Latin America).
Link to an honest commemoration of 50 years of the American War in Vietnam
Go to the Department of Mathematics Home Page

Last updated: 23 October 2019