{"id":2,"date":"2024-08-16T10:12:58","date_gmt":"2024-08-16T14:12:58","guid":{"rendered":"https:\/\/sites.temple.edu\/szyld\/?page_id=2"},"modified":"2024-09-03T17:22:39","modified_gmt":"2024-09-03T21:22:39","slug":"daniel-b-szyld","status":"publish","type":"page","link":"https:\/\/sites.temple.edu\/szyld\/","title":{"rendered":"Daniel B. Szyld"},"content":{"rendered":"

Department of Mathematics <\/a>
\n College of Science and Technology<\/a>
\n Temple University<\/b> <\/a> (038-16)
\n1805 N Broad Street
\nPhiladelphia, PA 19122-6094, USA
\n Phone +1 215 204 7288
\n FAX +1 215 204 6433
\n szyld AT temple DOT edu <\/p>\n

(About this photograph, and others) <\/a>\n<\/td>\n\n<\/a> <\/td>\n<\/tr>\n<\/table>\n

\n<\/p>\n

\nMy interest is Numerical Analysis and Scientific Computing in general,
\nand Numerical and Applied Linear Algebra in particular. <\/b> <\/h3>\n<\/p>\n

I am a co-Director of the
\n
\n\tHigh-Performance Computing for Scientific Applications Professional Science Master<\/a>,
\nand a member of the
\n
\n\tCenter for Computational Mathematics and Modeling<\/a> at Temple University.
\n\n<\/p>\n

\nI am currently the
\nPresident of the
\n
\n\tInternational Linear Algebra Society (ILAS)<\/a> (2020-2026),
\n
\nand a member of the Board of Trustees of
\nThe Institute for Computational and Experimental Research in Mathematics (ICERM)<\/a>
\n(2024-2028).
\n
\nPreviously, I was
\nVice-President (at large) of the
\nSociety for Industrial and Applied Mathematics (SIAM)<\/a> (2014-2015).<\/p>\n

\nI am a member of the Editorial Boards of:
\n
\nAdvanced Studies:
\n\tEuro-Tbilisi Mathematical Journal<\/a> (published by the Tiblisi Centre for Mathematical Sciences),
\n
the
\n
\nElectronic Transactions on Numerical Analysis (ETNA)<\/b><\/a> (Co-editor-in-Chief, 2005-2013)
\n

\nthe
\n
\nJournal of Numerical Analysis and Approximation Theory<\/b><\/a> (published by the Romanian Academy).
\n
\nLinear Algebra and its Applications<\/a><\/b>,
\n
\nMathematics of Computation<\/b><\/a>,
\nand
\n
\nNumerical Linear Algebra with Applications<\/b><\/a>.
\nPreviously, I serve on the boards of
\nThe Electronic Journal of Linear Algebra<\/a> (1995-2023).
\n
\nSIAM Journal on Matrix Analysis and Application<\/a>
\n(2003-2020, Editor-in-Chief, 2015-2020).<\/p>\n

\n
\nLink<\/a> to my Wikipedia page.<\/p>\n

\n

Seminars<\/a> at Temple University.
\n
\nApplied Mathematics and Scientific Computing<\/a> at Temple University.
\n
\n
\nMathematical Contest in Modeling<\/a> for undergraduates at Temple.<\/p>\n

Upcoming conferences and events of note:<\/h3>\n

GAMM Workshop on Applied and Numerical Linear Algebra 2024<\/a>
\n23-24 September 2024, Goettingen, Germany.
\n
\n
\n\t2024 SIAM New York-New Jersey-Pennsylvania Section Conference<\/a>,
\n1-3 Nov 2024,
\nRochester Institute of Technology.
\n
\n
\n\tInternational Conference on numerical mathematics and scientific computing on the 65th Anniversary of the journal BIT<\/a>,
\n14-16 January 2025, Upsala, Sweden.
\n
\n
\n\tXXII Householder Symposium on Numerical Linear Algebra<\/a>, 9-13 June 2025, Cornell University.
\n
\n
\n\t26th Conference of the International Linear Algebra Society (ILAS2025),<\/a>
\n23-27 June 2025, Kaohsiung, in the South of the island of Taiwan.
\n
\nApplied Linear Algebra 2025<\/a> in honor of Zhong-Zhi Bai<\/a>,
\n3-5 July 2025, Novi Sad, Serbia.
\n
\nMathematical Congress of the Americas 2025<\/a>,
\n21-25 July 2025, Miami.
\n
\n27th Conference of the International Linear Algebra Society (ILAS2026),
\n18-22 May 2026, Virginia Tech, Blacksburg, Virgina.
\n
\n
\n\tInternational Congress of Mathematicians (ICM 2026)<\/a>, 22-29 July 2026, Philadelphia.
\n
\nICIAM 2027<\/a>,
\nThe 11th International Conference for Industrial and Applied Mathematics,
\n12-16 July 2027, The Hague, The Netherlands.
\n<\/p>\n

\n

A link to the Thesis of Gene H. Golub<\/a>: The Use of Chebychev Matrix
\nPolynomials in the Iterative Solution of Linear Equations Compared to the Method of Successive Relaxation<\/i>,
\nUniveristy of Illinois (Urbana-Champaign), March 1959 (139 pages).<\/p>\n

\n

An Interview<\/a><\/h3>\n

I gave, which appeared in IMAGE, The Bulletin of the International Linear Algebra Society, November 2018.
\nIt was conducted by Froil&aacuten Dopico<\/a>.<\/p>\n

\n

Some math-related opinions of note:<\/h3>\n


\nMaths spying: The quandary of working for the spooks<\/a>, from
\nThe New Scientist<\/a>, April 2014.<\/p>\n

\n
\n\tMathematicians and Ethical Engagement<\/a>, from SIAM News<\/a>, November 2018.<\/p>\n

\nThe Importance of Ethics in Mathematics
\n<\/a> by Maurice Chiodo and Toby Clifton, Nesletter of the London Mathematical Society<\/a>, September 2019, pp. 22-26.<\/p>\n

\nWhy are there so few Black Professors in our Universities?<\/a> (in French) by Ivar Ekeland,
\nGazette des Mathematiciens<\/i>, from the French Mathematical Society, April 2021.<\/p>\n

\n Just Mathematics Collective<\/a><\/p>\n

\n

\nA letter<\/a>
\nto the editor of the New York Times<\/i> <\/h3>\n

I wrote about the mathematics of voting. 16 October 2016.<\/p>\n

\n

A Research Monogrpah<\/h3>\n<\/p>\n\n\n
\n

<\/p>\n

\nIsaac Klapper<\/a>, Daniel B. Szyld,
\nand Kai Zhao,
\n
Metabolic Networks, Elementary Flux Modes, and Polyhedral Cones<\/i>,
\n
\nSIAM<\/a>, 2021.
\n

\nBibtex<\/a>.\n<\/td>\n<\/tr>\n<\/table>\n

My latest research papers are<\/h3>\n

<\/p<\/p>\n


\nAndrew J. Higgins<\/a>,
\nDaniel B. Szyld,
\nErik G. Boman<\/a>,
\nand Ichitaro Yamazaki,
\nAnalysis of Randomized Householder-Cholesky QR Factorization with Multisketching<\/a>,
\nResearch Report 23-09-11, September 2023. Bibtex<\/a>.
\nAlso available at the arXiv:2309.05868<\/a>. <\/p>\n


\n
\nFaycal Chaouqui and Daniel B. Szyld,
\nOn optimal coarse space correction for Restricted and Optimized Additive Schwarz Method<\/a>,
\nResearch Report 20-09-18, September 2020. Bibtex<\/a>.<\/p>\n


\n
\nMicheael L. Parks,<\/a>
\nKirk M. Soodhalter<\/a>, and Daniel B. Szyld,
\nA block Recycled GMRES method with investigations into aspects of solver performance,<\/a>
\nResearch Report 16-04-04, April 2016. Revised August 2017.
\n\tAvailable also at the arxiv.<\/a>
\nBibtex<\/a>
\nSupplementary Materials<\/a>.
\n Software for block Recycled GMRES is available at Zenodo.<\/a>
\n\n<\/p>\n

\nPUBLISHED IN 2024: <\/p>\n


\nNicole Spillane<\/a>
\nand Daniel B. Szyld,
\nNew Convergence Analysis of
\n\tGMRES with Weighted Norms, Preconditioning and Deflation,
\n\tLeading to a New Deflation Space,<\/a>
\nResearch Report 23-11-06, Department of Mathematics, Temple University, December 2023. Revised May 2024.
\nTo appear in SIAM Journal on Matrix Analysis and Applications<\/i><\/a>.
\nAvailable also at the ArXiv<\/a> and
\nat HAL<\/a>.
\nBibtex<\/a>.<\/p>\n


\n
\nIchitaro Yamazaki,
\nAndrew J. Higgins<\/a>,
\nErik G. Boman<\/a>,
\nand
\nDaniel B. Szyld,
\nTwo-Stage Block Orthogonalization to Improve Performance of $s$-step GMRES<\/a>,
\nResearch Report 24-02-22, February 2024.
\n
\nProceedings of IPDPS 2024, the 38th IEEE International Parallel and
\nDistributing Processing Symposium,<\/i><\/a>
\nheld in San Francisco, 27–31 May. 2024, pages 26-38.
\nAvailable also at the arxiv.<\/a>
\nBibtex<\/a>.<\/p>\n


\nIsaac Klapper<\/a>, Daniel B. Szyld,
\nXinli Yu,
\nKarsten Zengler<\/a>,
\nTianyu Zhang<\/a>,
\nand Cristal Z&uacute&ntildeiga<\/a>,
\nA domain decomposition method for solution of a PDE-constrained generalized
\n\tNash equilibrium model of biofilm community metabolism<\/a>,
\nSIAM Journal on Applied Mathematics<\/i><\/a>, vol. 84 (2024) pp. 97-113.
\nBibtex<\/a>.
\n
\nSupplemental Material<\/a>.<\/p>\n


\nFaycal Chaouqui and Daniel B. Szyld,
\nA Two-Level Restricted Additive Schwarz Method For Asynchronous Computations<\/a>.
\nIn
\nDomain Decomposition Methods in Science and Engineering XXVII<\/i>,
\nLecture Notes in Computational Science and Engineering,
\nZden\u011bk Dost\u00e1l, Axel Klawonn, Tom\u00e1\u0161 Kozubek, Ulrich Langer, Luca F. Pavarino, Jakub \u0160\u00edstek, Olof B. Widlund (Eds.), Springer,
\n2024, pp. 109-116.
\n Bibtex<\/a>.<\/p>\n


\n Martin J. Gander<\/a>,
\n Lahcen Laayouni<\/a>, and Daniel B. Szyld,
\nAn alternating approach for optimizing
\ntransmission conditions in algebraic Schwarz methods<\/a>.
\nIn Domain Decomposition Methods in Science and Engineering XXVII<\/i>,
\nLecture Notes in Computational Science and Engineering,
\nZden\u011bk Dost\u00e1l, Axel Klawonn, Tom\u00e1\u0161 Kozubek, Ulrich Langer, Luca F. Pavarino, Jakub \u0160\u00edstek, Olof B. Widlund (Eds.), Springer,
\nSpringer, 2024, pp. 343-350.
\nBibtex<\/a>.\n<\/p>\n<\/p>\n

PUBLISHED IN 2023: <\/p>\n<\/p>\n


\n
\n\tSiobh&aacuten Correnty<\/a>,
\nElias Jarlebring<\/a>, and Daniel B. Szyld,
\n
\n\tPreconditioned Chebyshev BiCG for parameterized linear systems,<\/a>
\n
\nElectronic Transactions on Numerical Analysis (ETNA)<\/b><\/a>, vol. 58 (2023) pp. 629-656.
\nBibtex<\/a>.\n<\/p>\n


\nJian Du<\/a>, Bindi M. Nagda,
\nOwen L. Lewis<\/a>, Daniel B. Szyld, and
\nAaron L. Fogelson<\/a>,
\nA Computational Framework for the Swelling Dynamics of Mucin-like Polyelectrolyte Gels<\/a>.
\n
\n\tJournal of Non-Newtonian Fluid Mechanics<\/a>, vol. 313 (2023) article 104989.
\nBibtex<\/a>.<\/p>\n


\nChristian E. Schaerer<\/a>,
\nDaniel B. Szyld, and Pedro J. Torres,
\nA posteriori superlinear convergence bounds for block conjugate gradient<\/a>,
\n
\nElectronic Transactions on Numerical Analysis (ETNA)<\/b><\/a>, vol. 58 (2023) pp. 115-135.
\nOnline 22 December 2022.
\nBibtex<\/a>.<\/p>\n


\nAndreas Frommer<\/a>,
\nand Daniel B. Szyld,
\nOn the convergence of randomized
\nand greedy relaxation schemes for solving nonsingular linear systems of equations<\/a>.
\nNumerical Algorithms<\/a>, vol. 92 (2023) pp. 639-664.
\nBibtex<\/a>.\n<\/p>\n<\/p>\n


\n Erik G. Boman<\/a>,
\nAndrew J. Higgins<\/a>,
\nand Daniel B. Szyld,
\nOptimal Size of the Block in Block GMRES on GPUs: Computational Model and Experiments<\/a>.
\nNumerical Algorithms<\/a>, vol. 92 (2023) pp. 119-147.
\nBibtex<\/a>.<\/p>\n


\n
\nFaycal Chaouqui,
\nEdmond Chow<\/a>,
\nand Daniel B. Szyld,
\n
\n\tAsynchronous domain decomposition methods for nonlinear PDEs<\/a>,
\n
\nElectronic Transactions on Numerical Analysis (ETNA)<\/b><\/a>, vol. 58 (2023) pp. 22-42.
\nBibtex<\/a>.\n<\/p>\n<\/p>\n

Work on most of these papers was supported in part by the
\n
\nDepartment of Energy (Office of Science)<\/a>, and by
\n the
\n National Science Foundation<\/a><\/i>. <\/p>\n


\nOther Papers:
\n
\nChronological <\/a>.
\n
\nBy subject. <\/a>
\n<img src=icons\/redball.gif Go to the complete
\n<a href="http:\/\/math.temple.edu\/research\/research97.html" Department of Mathematics Research Reports <\/a><\/p>\n

\n

See also the collections I co-edited:
\n
\nProceedings of Seminar on Web Information Retrieval and Other Applications of Markov Chain Modeling<\/a>
\n\t(Dagsuhl, 2007)
\n\t
\n\t
\n\t\t75 Years of Mathematics of Computation<\/a> (AMS, 2020)<\/p>\n

\n

Recorded Lectures: <\/p>\n

\nMatrices with Perron-Frobenius Properties<\/a>,
\ngiven at
\nthe Workshop on
\n\t Theoretical and Applied Aspects of Nonnnegative Matrices<\/a> at the Banff International Research Station for Mathematical
\n\tInnovation and Discovery, Banff, Alberta, Canada, 27-29 July 2012.<\/p>\n

\n
\n\tAsynchronous Optimized Schwarz Methods for the solution of PDEs<\/a>, given at Cornell on 6 November 2015.<\/p>\n

\n


\nComplete CV (Temple format)<\/a>
\nor
\n shorter CV<\/a>.
\n
\nGoogle scholar profile<\/a>.<\/p>\n

\n


\nCurrent postdoctoral supervision:
\nFaycal Chaouqui<\/a><\/p>\n

\nCurrent visitor:
\n<\/p>\n

\n Links to former students and postdocs<\/b><\/a>
\n<\/br><\/p>\n

\n

\nHonors, Awards, and Recognitions. <\/b>
\n

\n
\nCommemorative medal<\/a> of the School of Mathematics and Physics,
\nCharles University of Prague, at the
\n
\nCzech-U.S. Workshop on Iterative Methods and Parallel
\nComputing<\/a>, June 16-21, 1997, Milovy, Czech Republic.
\n<\/br>
\n
\nFeatured<\/a>
\n in the book Hall of Fame<\/i> containing
\nlinocuts portraits
\nof scientists in
\nthe field of scientific computing<\/a> made by
\nHenk van der Vorst.<\/a>
\nPublished by
\n
\nSARA, the High Performance Computing Agency of the Netherlands<\/a>,
\nDecember 2010.
\n<\/br>
\n
\nDean’s Distinguished Award for Excellence in Research<\/a>,
\nCollege of Science and Technology, Temple University,
\nOctober 2011.
\n<\/br>
\nFellow of the American Mathematical Society,<\/a>
\nClass of 2017<\/a>.
\n<\/br>
\nFellow of the Society of Industrial and Applied Mathematics,<\/a>
\nClass of 2017<\/a>.
\n(A note from the College’s news on these two recognitions<\/a>).
\n<\/br>
\n
\n\tAchievement in Mathematics Award,<\/a>
\nCollege of Science and Technology 20th Anniversary Special Recognition, Temple University,
\n2018.
\n<\/br>
\nFaculty Senate Outstanding Service Award, Temple University, 2021.
\n
\nLatest trends and insights into matrix theory, iterative methods, and preconditioning<\/a>, A conference honoring the 65th birthday of Prof. Daniel B. Szyld, 24-26 March 2022, Temple University, Philadelphia.
\nA report on the conference in IMAGE<\/i><\/a>.<\/p>\n

\n

\nScientific Societies. <\/b>
\n
\n
\nAmerican Mathematical Society (AMS)<\/a>.
\n
\n
\nAsociación Argenitina de Matemática Aplicada, Computational e Industrial
\n(ASAMCI) <\/a>.
\n
\nAssociation for Women
\nin Mathematics (AWM)<\/a>.
\n
\n
\nGAMM Activity Group on Applied and Numerical Linear Algebra .<\/a>
\n
\n
\nInternational Linear Algebra Society (ILAS).<\/a>
\n
\n
\nMathematical Council of the Americas.<\/a>
\n
\n
\nNational Association of Mathematicians (NAM).<\/a>
\n
\n Societ&eacute Math&eacutematique de France (SMF)<\/a>.
\n
\nRaices NE-USA<\/a>, a network of Argentinian scholars and scientists in the US.
\n
\n
\nSociety of Industrial and Applied Mathematics
\n(SIAM)<\/a>. Check this video clip:
\nWhy be a SIAM member?<\/a>
\n

\n\tSIAM Activity Group on Linear Algebra<\/a>. See an article
\non
\n\tTrends in Linear Algebra<\/a>.
\n
\nSpectra, The Association for LGBT Mathematicians<\/a>.<\/p>\n

\n
\n Unión Matemática de América Latina y el Caribe
\n(UMALCA).<\/a>
\n<\/br> Check also the pages for
\nDomain Decomposition Methods<\/a>,
\nthe
\n
\nNA-Digest<\/a>,
\nand for the
\n
\nHouseholder Symposia<\/a>. <\/p>\n

\nSome great resources:
\nWhy do math?<\/a>,
\n
\nWhat’s Happening in the Mathematical Sciences?<\/a>,
\nGuide for Women in Mathematics: History, Scholarships, and Career Potential<\/a>.<\/p>\n

\nFour wonderful websites honoring mathematicians:
\nMathematically Gifted and Black<\/a>, Mathematicians
\n\tof the African Diaspora<\/a>,
\nLatin@s and Hispanics in the Mathematical Sciences<\/a>,
\nIndigenous Mathematicians<\/a>.<\/p>\n

and the
\nPrison Mathematics Project<\/a>.<\/p>\n

\n

Links to some good friends and colleagues<\/b><\/a>
\n<\/br><\/p>\n

\n

I am a member of the Union of Concerned Scientists
\n (UCS)<\/a>.
\n<\/br>
\nFaculty at Temple U. is unionized, our Union
\n(TAUP<\/a>) is part of
\nthe American Federation of Teachers<\/a>
\n(AFL-CIO<\/a>).
\n<\/br>
\nI like to read The Nation<\/a>;
\nI like to listen to
\nPacifica Radio<\/a>, and
\nDemocracy Now!<\/a>
\n<\/br>
\nLinks to the Washington Office on Latin America
\n (WOLA)<\/a>,
\nthe Council for Hemispheric Affairs
\n(COHA)<\/a>,
\nand to NACLA <\/a> (North
\nAmerican Congress on Latin America). <\/br><\/p>\n

\n

Go to the
\n Department of Mathematics Home Page<\/a> <\/p>\n

\n


\nLast updated: 10 July 2024
\n
<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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 […]<\/p>\n","protected":false},"author":7731,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/pages\/2","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/users\/7731"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/comments?post=2"}],"version-history":[{"count":1,"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/pages\/2\/revisions"}],"predecessor-version":[{"id":5,"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/pages\/2\/revisions\/5"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/szyld\/wp-json\/wp\/v2\/media?parent=2"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}