Zugl.: Tübingen, Universiẗat, Diss.

If A is an nxn complex matrix and λ is an eigenvalue of A with geometric multiplicity k, then λ is in at least k of the Geršgorin discs Di of A. Let k, r, t be positive integers with k ≤ r ≤ t. Then there is a txt complex matrix A and an eigenvalue λ of A such that λ has geometric multiplicity k and algebraic multiplicity t, and λ is in precisely r Geršgorin Discs of A. Some examples and related results are also provided.

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If A is an nxn complex matrix and λ is an eigenvalue of A with geometric multiplicity k, then λ is in at least k of the Geršgorin discs Di of A. Let k, r, t be positive integers with k ≤ r ≤ t. Then there is a txt complex matrix A and an eigenvalue λ of A such that λ has geometric multiplicity k and algebraic multiplicity t, and λ is in precisely r Geršgorin Discs of A. Some examples and related results are also provided.

Thèses (M.Sc.)--Université de Sherbrooke (Canada), 1998. / Titre de l'écran-titre (visionné le 20 juin 2006). Publié aussi en version papier.

Thesis (Ph. D.)--University of Texas at Austin, 2004. / Supervisor: John J. G. Tesmer. Vita. Includes bibliographical references.

Thesis (D.M.A.)--University of North Texas, 2008. / System requirements: Adobe Acrobat Reader. Accompanied by 1 recital, recorded Mar. 26, 2008. Includes bibliographical references (p. 50-56).

Thesis (M.A.)--University of Sydney, 1978. / Title from title screen (viewed June 22, 2009) Degree awarded 1978; thesis submitted 1977. Submitted in fulfilment of the requirements for the degree of Master of Arts to the Dept. of English, Faculty of Arts. Includes bibliographical references. Also available in print form.

Thèse,--Univ. Upsala, 1904.

Thesis--Lund. / Extra t.-p. with thesis note inserted. Bibliography: p. 212-220.