41. Publications Of Dr. Earl Branes Special isuue of the Journa of Linear Algebra dedicated to helmut wielandt on his 65th Birthday, June 1996. Barnes, ER, An Inequality for Probability http://www.isye.gatech.edu/people/faculty/Earl_Barnes/publications.html

Publications of Professor Earl Barnes Barnes, E. R., "Semidefinite Programming via the Simplex Algorithm" Submitted to Mathematics of Operations Research, March 1997. Barnes, E. R., "Bounds for the Largest Clique in a Graph" Submitted to Mathemtical Programming, February 1997. To see a postcript version of the paper click here. Castillo, I. and Barnes, E. R., "Chaotic Behavior of the Affine Scaling Algorithm" Submitted to SIAM Journal on Optimization, November 1996. To see a postcript version of the paper click here. Barnes, E. R., and Moretli, A., "A Method for Finding the Analytic Center of a Polytope" Accepted by Computationaly and Applied Mathematics, July, 1996. Barnes, E. R., "Commentary on the Hoffman-Wieland Inequality" Special isuue of the Journa of Linear Algebra dedicated to Helmut Wielandt on his 65th Birthday, June 1996. Barnes, E. R., "An Inequality for Probability Moments with Applications" SIAM Journal of Matrix Analysis and Applications, V. 8, N. 3, August 1995, pp. 1-13. Barnes, E. R., and Hoffman, A. J., "Bounds for the Spectrum of Normal Matrices,"

42. Universität Tübingen - Presse- Und Öffentlichkeitsarbeit Translate this page Dr.Dr.hc helmut wielandt an seinem Alterswohnsitz in Schliersee. helmut wielandt wurde am 19. Dezember 1910 bei Lörrach geboren. Er studierte Mathematik an http://www.uni-tuebingen.de/uni/qvo/Tun/Tun100-27.html

Nachruf auf Prof. Dr. Helmut Wielandt IInfo

43. Report On UKIESIAM Activities (August 2001 To July 2002 at which a presentation on `The Debt Linear Algebra Owes helmut wielandt was made by Hans Schneider (Wisconsin) and the Householder Prize was presented http://www.ma.hw.ac.uk/~gabriel/ukiesiam/siamuk.rep02

Report on UKIESIAM Activities (August 2001 to July 2002) - Background. The United Kingdom and Republic of Ireland section of SIAM was established at the end of 1996. (The petition was approved by the council on 13th December, 1996.) The current officers are: President: D.F. Parker (until 31/3/03) Vice-President: I.G. Graham (until 31/3/03) Secretary/Treasurer: A. Ramage (until 31/3/04) All SIAM members resident in the UK and Republic of Ireland are automatically members of the section (no section fees are levied). The section currently has 253 members (versus 187 when the section was founded). Sponsored meetings. The section has provided financial support for the following meetings, which are listed in chronological order. Jan 2002 Annual section meeting, University of Leeds. This was another successful meeting, attended by over 50 participants. A full report was published in the May edition of SIAM news. Apr 2002 British Applied Mathematics Colloquium, University of Warwick SIAM sponsored the invited lecture given by Ingrid Daubechies of Princeton University. Apr 2002 British Applied Mathematics Colloquium, University of Warwick. The section sponsored two prizes for the best presentations by a Ph.D. student throughout the BAMC/BMC. Jun 2002 XVth Householder Symposium on Numerical Linear Algebra. The section made a contribution to the expenses of the conference banquet, at which a presentation on `The Debt Linear Algebra Owes Helmut Wielandt' was made by Hans Schneider (Wisconsin) and the Householder Prize was presented to Jing-Rebecca Li (Courant Institute). Jul 2002 Numerical Analysis Summer School, Durham The section sponsored two prizes for the best presentations by a Ph.D. student at the meeting. The prizes were won by Angela Mihai (Durham) and Craig Brand (Strathclyde). Plans for the future. 1. We aim to continue sponsoring prizes for the best student presentations at the BAMC conference (to be held in Southampton in 2003). 2. We are always keen to support other relevant meetings, workshops and conferences in the UK and Ireland. This year we are committed to supporting the 5th Dublin Differential Equations Conference which will be held in Dublin in June 2003. Requests for such support are welcome at any time. Alison Ramage

44. PSIgate - Physical Sciences Information Gateway Search/Browse Results helmut wielandt Born 19 Dec 1910 in Niedereggenen, Lörrach, Germany Died 14 Feb 2001 Click the picture above to see three larger pictures Show birthplace http://www.psigate.ac.uk/roads/cgi-bin/search_webcatalogue2.pl?limit=1725&term1=

45. Helmut Keunecke - ResearchIndex Document Query of inverse iteration 3 from its To appear in helmut wielandt, Mathematische Werke, 16 I. Ipsen, helmut wielandt s contributions to the numerical http://citeseer.ist.psu.edu/cis?q=Helmut Keunecke

46. IPNet Digest Volume 9, Number 08 September 5, 2002 Today S Editor 353, 13 Table of Contents helmut wielandt 19 December 1910-14 February 2001 A personal memoir Hans Schneider wielandt s proof of the exponent inequality http://www.mth.msu.edu/ipnet/ipnet_archive/digests/Digest_v9n08

IPNet Digest Volume 9, Number 08 September 5, 2002 Today's Editor: Patricia K. Lamm Michigan State University Today's Topics: Special Semester on Inverse Problems at IPAM, UCLA, Fall 2003 SIAM Conference: Math./Computational Issues in Geosciences SIAM Conference: Applications of Dynamical Systems Post-doc Position: Inversion of Electromagnetic/Magnetic Data Table of Contents: Linear Algebra and Its Applications Submissions for IPNet Digest: Mail to ipnet-digest@math.msu.edu Information about IPNet: http://www.mth.msu.edu/ipnet Mail to ipnet-request@math.msu.edu - From: "Prof. Heinz W. Engl" Subject: SIAM Conf. on Math./Computational Issues in Geosciences Date: Thu, 15 Aug 2002 Subject: SIAM Conference on Mathematical and Computational Issues in the Geosciences Conference Name: SIAM Conference on Mathematical and Computational Issues in the Geosciences (SIAG/GS) (GS03) Location: Radisson Hotel and Suites Austin, Austin, Texas Dates: March 17-20, 2003 The Call for Presentations for this conference is available at: http://www.siam.org/meetings/gs03/ **Deadlines** Deadline for submission of minisymposium proposals: August 20, 2002 Deadline for minisymposium speaker abstracts: September 17, 2002 Deadline for submission of contributed abstracts: September 17, 2002 For additional information, contact SIAM Conference Department at meetings@siam.org. - From: Kirsten Wilden

47. Rod Edwards's Mathematical Genealogy Page Roderick Edwards (1994); Reinhard Illner (1976); Jens Peter Guenter Frehse (1968); Harro Heuser (1957); helmut wielandt (1935); Issai Schur (1901) http://www.math.uvic.ca/faculty/edwards/genealogy.html

Rod Edwards, Mathematical Genealogy The Mathematics Genealogy Project keeps track of the "genealogy" of mathematicians, where the "parental" relationship is that of PhD Advisor. Some students have more than one advisor, so the line of ancestry can have branches, but my main line of ancestry is as follows (with years referring to year of PhD or equivalent). Roderick Edwards (1994) Reinhard Illner (1976) Jens Peter Guenter Frehse (1968) Harro Heuser (1957) Helmut Wielandt (1935) Issai Schur (1901) Georg Ferdinand Frobenius (1870) Karl Theodor Wilhelm Weierstrass (1854) Christoph Gudermann (1841) Carl Friedrich Gauss (1799) Johann Friedrich Pfaff (1786) Abraham Gotthelf Kaestner (1739) Christian August Hauser (1713) Johann Christoph Wichmannshauser (1685) Otto Mencken (?) Another line looks like this: Roderick Edwards (1994) Reinhard Illner (1976) Jens Peter Guenter Frehse (1968) Harro Heuser (1957) Erich Kamke (1921) Edmund Landau (1899) Lazarus Immanuel Fuchs (1858) Ernst Edward Kummer (1831) Heinrich Ferdinand Scherk (1823) Friedrich Wilhelm Bessel (1810) Carl Friedrich Gauss (1799) Johann Friedrich Pfaff (1786) Abraham Gotthelf Kaestner (1739) Christian August Hauser (1713) Johann Christoph Wichmannshauser (1685) Otto Mencken (?)

48. Biography-center - Letter W wielandt, helmut wwwhistory.mcs.st-and.ac.uk/~h istory/Mathematicians/wielandt.html; Wieman, Carl E. www.nobel.se/physics/laureates/2001/wieman-autobio. http://www.biography-center.com/w.html

Visit a random biography ! Any language Arabic Bulgarian Catalan Chinese (Simplified) Chinese (Traditional) Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hebrew Hungarian Icelandic Indonesian Italian Japanese Korean Latvian Lithuanian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish W 475 biographies W atson, Geoffrey H. www.whonamedit.com/doctor.cfm/763.html W ood, Leonard www.spartacus.schoolnet.co.uk/FWWwood.htm Waals, Johannes Diderik van der www.nobel.se/physics/laureates/1910/waals-bio.html Waardenburg, Petrus Johannes www.whonamedit.com/doctor.cfm/1012.html Waerden, Bar tel van der www-history.mcs.st-and.ac.uk/~history/Mathematicians/Van_der_Waerden .html Wagner, Richard www.island-of-freedom.com/WAGNER.HTM library.thinkquest.org/20117/doebler.html Wagner-Joregg, Julius www.nobel.se/ medicine/laureates/1927/wagner-jauregg-bio.html Wahl¶¶, Per www.kirjasto.sci.fi/wahloo.htm Wakata, Koichi www.jsc.nasa.gov/Bios/htmlbios/wakata.html Wake, Nancy www.abc.net.au/btn/austra lians/wake.htm Wakefield, Ruth

49. UM Mathematics: Faculty-Detail I studied permutation group theory, differential geometry, and functional analysis from helmut wielandt at the University of Tuebingen, Germany. http://www.math.lsa.umich.edu/people/facultyDetail.php?id=192

50. Mathematics Of Computation A history of inverse iteration, volume in helmut wielandt, Mathematische Werke, Mathematical Works, Vol. 2 Linear Algebra and Analysis, pages 464472. http://www.ams.org/mcom/2002-71-237/S0025-5718-01-01357-6/home.html

Journals Home Search Author Info Subscribe ... Help ISSN 1088-6842(e) ISSN 0025-5718(p) Previous issue Table of contents Next issue Articles in press ... All issues A geometric theory for preconditioned inverse iteration applied to a subspace Author(s): Klaus Neymeyr. Journal: Math. Comp. MSC (2000): Primary 65N30, 65N25; Secondary 65F10, 65F15 Posted: September 17, 2001 Retrieve article in: PDF DVI TeX PostScript ... Additional information Abstract: The aim of this paper is to provide a convergence analysis for a preconditioned subspace iteration, which is designated to determine a modest number of the smallest eigenvalues and its corresponding invariant subspace of eigenvectors of a large, symmetric positive definite matrix. The algorithm is built upon a subspace implementation of preconditioned inverse iteration, i.e., the well-known inverse iteration procedure, where the associated system of linear equations is solved approximately by using a preconditioner. This step is followed by a Rayleigh-Ritz projection so that preconditioned inverse iteration is always applied to the Ritz vectors of the actual subspace of approximate eigenvectors. The given theory provides sharp convergence estimates for the Ritz values and is mainly built on arguments exploiting the geometry underlying preconditioned inverse iteration. References: J.H. Bramble, J.E. Pasciak, and A.V. Knyazev. A subspace preconditioning algorithm for eigenvector/eigenvalue computation.

51. CIM Bulletin #13: An Interview With Thomas J. Laffey Among them were John Thompson, John Conway, Sandy Green, helmut wielandt, Bertram Huppert, Reinhold Baer, Michio Suzuki, Wolfgang Gaschütz. http://at.yorku.ca/i/a/a/h/45.htm

Topology Atlas Document # iaah-45 from CIM Bulletin #13 An Interview with Thomas J. Laffey Professor Laffey, please tell us about your formative years. How did you go into Mathematics, and what are your recollections of your university studies? You went on to study with Ledermann for your doctorate. Thomas J. Laffey I already had a Masters degree from UCG, so when I went to Sussex in September 1966, I was not required to do any further coursework, and I immediately began research. In the book by Curtis and Reiner entitled "Representation theory of finite groups and associative algebras", I was greatly impressed by Jordan's Theorem which states that there is a function J defined on the natural numbers with the property that if G is a finite subgroup of the group GL(n, C ) of invertible n x C C What did you do after you obtained your PhD? How did your research interests evolve over the years? You have been heavily involved in mathematical competition activities. What are your thoughts and experience concerning Mathematical Olympiads for the young? Can you give us a short overview of the Irish university system?

52. Helmut Wielandt Université Montpellier II Translate this page helmut wielandt (1910-2001). Cette image et la biographie complète en anglais résident sur le site de l’université de St Andrews Écosse http://ens.math.univ-montp2.fr/SPIP/article.php3?id_article=1985

53. AAS-Biographical Memoirs-Neumann Richard Rado (Emeritus Professor at Reading), helmut wielandt (Professor at Tubingen and longtime editor of Mathematische Zeitschrift) and, http://www.science.org.au/academy/memoirs/neumann.htm

Australian Academy of Science About the Academy Biographical memoirs Hanna Neumann 1914-1971 By M. F. Newman and G. E. Wall Biography A description of Hanna's life (she was not a formal sort of person and much preferred this simple style of address) divides rather naturally into three parts: Germany 1914-38, Britain 1938-63; Australia 1963-71. Hanna was born in Berlin on 12 February 1914 the youngest of three children of Hermann and Katharina von Caemmerer. Her father was the only male descendant of a family of Prussian officer tradition. He broke the tradition to become an historian. He had a doctorate and his venia legendi (right to lecture) and was well on the way to establishing himself as an archivist and academic historian when he was killed in the first days of the 1914-18 war. Her mother was descended from a Huguenot family which had settled in Prussia in the second half of the eighteenth century. The older children were a brother Ernst (1908) and a sister Dora (1910). Her brother was Professor of Law at Freiburg i.Br.-he was for a time Rektor (Vice-chancellor). Her sister (who also has a doctorate) wored in Berlin in the re-training of social workers. As a result of her father's death the family lived impecuniously on a war pension which had to be supplemented by other earnings. Already at the age of thirteen Hanna contributed to the family income by coaching younger school children. By the time she reached the final years at school she was coaching up to fifteen periods a week. This presumably helped teach her to organize her time efficiently.

54. Warwick Mathematics Institute At that time, the distinguished German Professor helmut wielandt arrived for 6 weeks to take part in an Algebra Symposium. He stayed with his wife in House http://www.maths.warwick.ac.uk/research/2004_2005/dhf_meeting/stonehewer.html

Search University Contact Us A-Z Index General Information ... webadmin@maths Reminiscences What David Fowler did for Anglo-German relations Wielandt came back to Warwick many times. Stewart Stonehewer Mathematics Institute University of Warwick Coventry CV4 7AL - UK

55. Uppsala Universitetsbibliotek. Ångströmbiblioteket - Nyförvärv Finite permutation groups / by helmut wielandt. New York Academic P., cop. 1964. - 114 s. (Academic paperbacks) ISBN 0-12-749650-5. Wijkström, Åsa http://www.ub.uu.se/linne/ang/sep02.htm

@import url(http://www.ub.uu.se/css/profil.css); /*css for IE och NN6*/ : September 2002 September 2002 Alfabetisk Utskriftsformat Alfabetisk lista A Abbasinejad, Shirin Intravascular brachytherapy with ¹57GDNCT dosimetric aspects / Shirin Abbasinejad. - Uppsala, 2000. - 31 s. (UPTEC F, 1401-5757 ; 00060) Abelson, Ulrika Development of a bioanalytical method for the antimalarial drug dihydroartemisinin / Ulrika Abelson. - Uppsala, 2002. - 19 s. (UPTEC K, 1650-8297 ; 02020) Abrahamsson, Richard High resolution synthetic aperture radar imaging of large target areas / Richard Abrahamsson. - Uppsala, 2000. - 167 s. (UPTEC F, 1401-5757 ; 00020) ACM transactions on internet technology ACM transactions on internet technology. - New York, N.Y. : ACM, 2001. - Vol. 1. ISSN 1533-5399 Adamson, Arthur Wilson A textbook of physical chemistry / Arthur W. Adamson. - 2. ed. - New York: Academic press, 1979. - 953 s. : diagr., ill., tab. ISBN 0-12-044262-0 (Int. ed.) Adolfsson, Magnus Linearity improvement for LDMOS using distributed transistors / Magnus Adolfsson. - Uppsala, 2002. - 42 s. (UPTEC F, 1401-5757 ; 02069) Agah, Mehrzad

56. Cullinane Journal 2003 Dec. 16-31 Happy Birthday, helmut wielandt (wherever you may be). Cover illustration, AMS Notices, January 2004. In light of my entry on changeringing of this date http://log24.com/blog/0312b.html

From the journal of Steven H. Cullinane... 2003 Dec. 16-31 Wednesday, December 31, 2003 8:00 PM In memory of John Gregory Dunne, who died on Dec. 30, 2003 See, too, last year's entries for Dec. 30 and 31: "... he might add under his breath, like the professor in The Last Battle who has passed on to the next life, 'It's all in Plato, all in Plato: bless me, what do they teach them at these schools!' " Wednesday, December 31, 2003 3:07 PM Personal Jesus Columnist Cal Thomas on Politician Howard Dean: What exactly does Dean believe about Jesus, and how is it relevant to his presidential candidacy? "Christ was someone who sought out people who were disenfranchised," he told the Globe , "people who were left behind." Dean makes it sound as if He might have been a Democrat. "He fought against self-righteousness of people who had everything," the candidate continued. "He was a person who set an extraordinary example that has lasted 2,000 years, which is pretty inspiring when you think about it." Not really. If that is all Jesus was (or is), then he is just another entry in Bartlett's Familiar Quotations, to be read or not, according to one's inspirational need.

57. Yurinsha Book News wielandt, helmut Mathematische Werke / Mathematical Works, Vol. 1 Group Theory. 1994 802 pp. (de Gruyter) 311-012452-1 35500. http://www.yurinsha.com/topics/col.htm

”ŠwŽÒ ŒÂl‘SWE‘IW ƒŠƒXƒg 001 Abel,N.H.: Oeuvres Completes, T. I et II, 2e ed. (reprint). 1992 1360 pp. (J. Gabay) 2-87647-073-X 30,060. 002 May,J.P./Thomas,C.B.(eds.): The Selected Works of J. Frank Adams, Vol. 1. 1992 552 pp. (Cambridge) 0-521-41063-0 15,660. 003 May,J.P./Thomas,C.B.(eds.): The Selected Works of J. Frank Adams, Vol. 2. (Cambridge) 0-521-41065-7 15,660. 004 Block,R.E.et al.(eds.): A. Adrian Albert Collected Mathematical Papers, 2 Vols. (Collected Works, Vol. 3) 1993 1840 pp. (A.M.S.) 0-8218-0003-5 31,930. 006 Ciliberto,C./Ribenboim,P./Sernesi,E.(eds.): Collected Papers of Giacomo Albanese. (Queen's Papers in Pure and Applied Mathematics, Vol. 103) 1996 408 pp. (Queens Univ.) 0-88911-737-3 7,970. 007 Aleksandrov,A.D.: Aleksandrov, A.D.-Selected Works: Part 1-Selected Scientific Papers. (Classics in Soviet Mathematics, Vol. 4) 1996 322 pp. (Gordon) 2-88124-984-1 21,500. 008 Ribenboim,P.(ed.) : Collected Papers of Norman Alling. (Queen's Papers in Pure and Applied Mathematics, Vol. 107) 1998 597 pp. (Queens Univ.) 0-88911-796-9 6,780.

58. A Guide To The William T. Reid Papers, 1925-1977 Tauberian theorem for power series, with correspondence with Paul Erdös, Konrad Knopp, and helmut wielandt. William M. Whyburn, 19011972 http://www.lib.utexas.edu/taro/utcah/00231/cah-00231.html

TARO Repository Browse List Print Version Raw XML File (37k) ... Accessing Materials Described Here TABLE OF CONTENTS Descriptive Summary Biographical Note: Scope and Contents: Organization ... Reid's reprint collection A Guide to the William T. Reid Papers, 1925-1977 Descriptive Summary Creator: Reid, William T. (William Thomas), 1907 Oct. 4-1977 Title: William T. Reid Papers, Dates: Abstract: William T. Reid was professor of mathematics at Northwestern University (1944-59), University of Iowa (1959-64), and University of Oklahoma (1964-1976). He was a visiting scientist at the University of Texas at Austin when he died on October 14, 1977. His papers (1925-1977; 8 ft.) document his career from his undergraduate studies (1925) to the year of his death. Extent: 28 ft. Language: Collection material is written in English. Repository: Archives of American Mathematics, Center for American History,The University of Texas at Austin Biographical Note: William Thomas Reid was born October 4, 1907, near Grand Saline, Texas, and attended college at Simmons (now Hardin-Simmons) University in Abilene, Texas. His M.A. and Ph.D. (1929) were obtained at the University of Texas at Austin. He was National Research Fellow (1929-31) and then a faculty member (1931-44) at the University of Chicago. Reid was professor of mathematics at Northwestern University (1944-59), University of Iowa (1959-64), and University of Oklahoma (1964-1976). He was a visiting scientist at the University of Texas at Austin when he died on October 14, 1977.

59. Emilie V. Haynsworth helmut wielandt, Miroslav Fiedler, Marvin Marcus, Vlastimil Ptak, and Olga TausskyTodd ( click here for a picture of Emilie taken in 1980). http://science.kennesaw.edu/~bthomas/Spring2005_files/page0004.htm

I recall the time when, during my oral examination, I faltered on one question (“Bruce, explain why all the eigenvalues of a Hermitian matrix are real numbers,”) and she gently gave me the broad memory-inducing hint I needed to correctly answer. I am but a humble mathematical descendent of hers, but her mathematical ability and lineage are first-class. Emilie was a superb mathematician whose specialty was in the field of matrix theory. Her bibliography of published articles includes more than two dozen items, and many of her later papers appeared in her favorite professional journal, Linear Algebra and its Applications, for which she often served as a referee Her dissertation and her early work centered on bounds for eigenvalues of matrices, while in her later years she concentrated on cones of matrices (her favorite she called “the ice cream cone”). She is credited with naming the matrix result known as the “Schur Complement,” and she obtained many important matrix results based on its use. She had close personal and professional ties to the lions of linear algebra of her day: Alexander Ostrowski, Helmut Wielandt, Miroslav Fiedler, Marvin Marcus, Vlastimil Ptak, and Olga Taussky-Todd (

60. On Eigenvalues Of Sums Of Normal Matrices., Helmut Wielandt 3 H. wielandt, Die Eins chlies sung der Eigenwerte normaler Matrzen, Math. Ann. 121 (1949), 234241. Mathematical Reviews MR11307d http://projecteuclid.org/Dienst/UI/1.0/Display/euclid.pjm/1103044390

Current Issue Past Issues Search this Journal Editorial Board ... Credits Helmut Wielandt On eigenvalues of sums of normal matrices. Source: Pacific J. Math. Primary Subjects: Full-text: Open access Download the full-text in the following format: PDF (387 KB) djvu (99 KB) Euclid Identifier: euclid.pjm/1103044390 Zentralblatt Math Identifier : Mathmatical Reviews number (MathSciNet): To Table of Contents for this Issue References [1] I. Bendixson, Sur les racines d'une equation fondamentale, Acta Math. 25 (1902), 359-365. [2] W.V.Parker, Characteristic roots of matrices, Amer. Math. Monthly 60 (1953), 247-250. Mathematical Reviews: Zentralblatt-MATH: [3] H. Wielandt, Die Eins chlies sung der Eigenwerte normaler Matrzen, Math. Ann. 121 (1949), 234-241. Mathematical Reviews: Zentralblatt-MATH: journals search login about ... home

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