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D. Dale Olesky
Department of Computer Science
University of Victoria
P.O. Box 3055
Victoria, B.C.
V8W 3P6
Canada
Office: ECS 558
Phone: (250) 472-5788
Fax:     (250) 472-5708
Email: dolesky at cs.uvic.ca

Education
Ph.D. Computer Science, University of Toronto 1971
M.Sc. Computing Science, University of Alberta 1968
B.Sc. Honours Mathematics, University of Alberta 1966
Teaching

Spring Term 2009

Computer Science 349A

 


Research
Areas of Interest:

Linear algebra (especially matrix theory and combinatorial matrix analysis), numerical linear algebra, graph theory.
Recent Publications

McDonald, J.J., D.D. Olesky, M.J. Tsatsomeros, and P. van den Driessche, “On the spectra of striped sign patterns,” Linear and Multilinear Algebra , 51, pp. 39-48, 2003.

Johnson, C.R., D.D. Olesky, and P. van den Driessche, “Matrix classes that generate all matrices with positive determinant,” SIAM Journal on Matrix Analysis and Applications , 25, pp. 285-294, 2003.

Elsner, L., D.D. Olesky, and P. van den Driessche, “Low rank perturbations and the spectrum of a tridiagonal sign pattern,” Linear Algebra and its Applications , 374, pp. 219-230, 2003.

Britz, T., D.D. Olesky, and P. van den Driessche, “Matrix inversion and digraphs: the one factor case,” Electronic Journal of Linear Algebra , 11, pp. 115-131, 2004.

Britz, T., D.D. Olesky, and P. van den Driessche, “The Moore-Penrose inverse of matrices with an acyclic bipartite graph,” Linear Algebra and its Applications, 390, pp. 47-60, 2004.

Britz, T., J.J. McDonald, D.D. Olesky, and P. van den Driessche, “Minimal spectrally arbitrary sign patterns,” SIAM Journal on Matrix Analysis and Applications , 26, pp. 257-271, 2004.

Johnson, C.R. and D.D. Olesky, “Sums of totally positive matrices,” Linear Algebra and its Applications , 392, pp. 1-9, 2004.

Dame, L.F., D.D. Olesky, and P. van den Driessche, “The exponent and cirumdiameter of primitive digraphs,” Linear Algebra and its Applications , 396, pp. 243-258, 2005.

Britz, T., D.D. Olesky, and P. van den Driessche, “Schur complements of matrices with acyclic bipartite graphs,” Electronic Journal of Linear Algebra , 14, pp. 2-11, 2005.

Johnson, C.R., and D.D. Olesky, “Rectangular submatrices of inverse M-matrices and the decomposition of a positive matrix as a sum,” Linear Algebra and its Applications, 409, pp. 87-99, 2005.

Olesky, D.D., B. Shader, and P. van den Driessche, “Permanents of Hessenberg (0,1)-matrices,” Electronic Journal of Combinatorics, 12, R70, 25 pp., 2005.

Bingham, B.D., D.D. Olesky, and P. van den Driessche, “Potentially nilpotent and spectrally arbitrary even cycle sign patterns,” Linear Algebra and its Applications, 421, pp. 24-44, 2007 .

Kim, I-J., D.D. Olesky, and P. van den Driessche, “Inertially arbitrary sign patterns with no nilpotent realization,” Linear Algebra and its Applications, 421, pp. 264-283, 2007.

Kim, I-J., J.J. McDonald, D.D. Olesky, and P. van den Driessche, “Inertias of zero-nonzero patterns,” Linear and Multilinear Algebra, 55, pp. 229-238, 2007.

Kim, I-J., D.D. Olesky, B.L. Shader, and P. van den Driessche, “Sign patterns that allow a positive or nonnegative left inverse,” SIAM Journal on Matrix Analysis and Applications, 29, pp. 554-565, 2007.

Grundy, D.A., C.R. Johnson, D.D. Olesky, and P.van den Driessche, “Products of M-matrices and nested sequences of principal minors,” Electronic Journal of Linear Algebra, 16, pp. 380-388, 2007.

MacGillivray, G., S. Nasserasr, D.D. Olesky, and P. van den Driessche, “Primitive digraphs with smallest large exponent,” Linear Algebra and its Applications, 428, pp. 1740-1752, 2008.

Catral, M., D.D. Olesky, and P. van den Driessche, “Group inverses of matrices with path graphs,” Electronic Journal of Linear Algebra, 17, pp. 219-233, 2008.

Elsner, Ludwig, D.D. Olesky, and P. van den Driessche, “Sufficient conditions for permutation equivalence to a WHS-Matrix,” Linear and Multilinear Algebra, 57, pp. 103-110, 2009.

Catral, M., D.D. Olesky, and P. van den Driessche, “Block representations of the Drazin inverse of a bipartite matrix,”Electronic Journal of Linear Algebra, 18, pp. 98-107, 2009.

Kim, I.-J., D.D. Olesky, and P. van den Driessche, “Critical sets of inertias for matrix patterns,” accepted for publication in Linear and Multilinear Algebra, August 2007.

Catral, M., D.D. Olesky, and P. van den Driessche, “Allow problems concerning spectral properties of sign pattern matrices: a survey,” accepted for publication in Linear Algebra and its Applications, January 2009.