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Contact Information |
Mathematics and Statistics | Voice: | (250) 853-3290 |
| University of Victoria | Fax: | (250) 721-8962 | |
| PO Box 3060 STN CSC | E-mail: | deaett@math.uvic.ca | |
| Victoria, B.C. V8W 3R4 | Web: | http://www.math.uvic.ca/~deaett |
Citizenship |
United States citizen |
Education |
Ph.D. in Mathematics, University of Wisconsin-Madison | August 2009 |
| Advisor: Richard A. Brualdi | ||
| Thesis: The positive semidefinite minimum rank of a triangle-free graph | ||
| B.A. in Mathematics, University of Rochester | May 2002 | |
| Advisor: Naomi Jochnowitz | ||
| B.S. in Computer Science, University of Rochester | May 2002 | |
| Advisor: Mitsunori Ogihara | ||
Employment |
Postdoctoral fellow, University of Victoria | 2009 – present |
Research Area |
Linear algebra and combinatorics, combinatorial matrix theory |
Professional Affiliations |
American Mathematical Society | member, 2003 – present |
| International Linear Algebra Society | member, 2005 – present | |
| Mathematical Association of America | member, 2007 – present |
Publications |
"The minimum semidefinite rank of a triangle-free graph" |
| Linear Algebra and its Applications 434 (2011), 1945-1955. | |
| "Signed domination of graphs and (0,1)-matrices" | |
| with A. Berliner, R.A. Brualdi, K. Kiernan and M. Schroeder | |
| Combinatorics and Graphs, AMS Contemporary Mathematics 531 (2010), 19-42. | |
| "Refined inertially and spectrally arbitrary zero-nonzero patterns" | |
| with D. Olesky and P. van den Driessche | |
| Electronic Journal of Linear Algebra 20 (2010), 449-567. | |
| "Row and column orthogonal (0,1)-matrices" | |
| with A. Berliner, R.A. Brualdi, K. Kiernan and M. Schroeder | |
| Linear Algebra and its Applications 429 (2008), no. 11-12, 2732-2745. | |
| "More on the Bruhat order for (0,1)-matrices" | |
| with R.A. Brualdi | |
| Linear Algebra and its Applications 421 (2007), no. 2-3, 219-232. | |
| "Acyclic Digraphs and local hierarchy theory" | |
| with A. Berliner, R.A. Brualdi and U. Bostelman | |
| Mathematical and Computer Modelling 45 (2007), no. 5-6, 660-667. | |
| "Sum list coloring graphs" | |
| with A. Berliner, R.A. Brualdi and U. Bostelman | |
| Graphs and Combinatorics 22 (2006), no. 2, 173-183. |
Invited Talks |
The incidence graph of a Steiner triple system and its minimum semidefinite rank | 2010 |
| AMS Fall Southeastern Section Meeting, Special Session on Minimum Rank Problems | ||
| The magical pattern L | 2010 | |
| Western Canada Linear Algebra Meeting | ||
| Minimum semidefinite rank and the Heawood graph | 2010 | |
| AMS Spring Central Section Meeting, Special Session on Matrices and Graphs | ||
| New dimensions to graph coloring | 2009 | |
| nth Annual Combinatorial Potlatch | ||
| Triangle-free graphs of smallest positive semidefinite minimum rank | 2009 | |
| SIAM Conference on Applied Linear Algebra, Minisymposium on Matrices and Graphs | ||
| The graph and rank of a positive semidefinite matrix | 2008 | |
| 15th ILAS Conference, Minisymposium on Combinatorial Matrix Theory |
Funded Activities |
NSF-CBMS Workshop: The Mutually Beneficial Relationship of Matrices and Graphs | 2010 |
| Iowa State University | ||
| BIRS Workshop: Theory and Applications of Matrices Described by Patterns | 2010 | |
| Banff International Research Station | ||
| Spectra of families of matrices described by graphs, digraphs, and sign patterns | 2006 | |
| American Institute of Mathematics | ||
| EMS Summer School: Horizons of Combinatorics | 2006 | |
| Rényi Institute, Budapest |
Conferences Attended |
AMS/MAA Joint Mathematics Meetings | New Orleans, LA | 2011 |
| AMS Fall Southeastern Section Meeting | University of Richmond | 2010 | |
| 16th ILAS Conference | Universita di Pisa, Italy | 2010 | |
| Meeting on 0-1 Matrix Theory and Related Topics | University of Coimbra, Portugal | 2010 | |
| Western Canada Linear Algebra Meeting | Banff International Research Station | 2010 | |
| nth Annual Combinatorial Potlatch | Simon Fraser University | 2009 | |
| SIAM Conference on Applied Linear Algebra | Seaside, CA | 2009 | |
| MAA MathFest | Portland, OR | 2009 | |
| AMS Spring Central Section Meeting | University of Illinois at Urbana-Champaign | 2009 | |
| AMS/MAA Joint Mathematics Meetings | Washington, D.C. | 2009 | |
| MAA MathFest | Madison, WI | 2008 | |
| 3rd Annual Graduate Student Combinatorics Conference | University of Washington | 2007 | |
| Horizons of Combinatorics | Balatonalmádi, Hungary | 2006 | |
| 15th ILAS Conference | Cancun, Mexico | 2008 | |
| 2nd Annual Graduate Student Combinatorics Conference | University of Wisconsin-Madison | 2006 | |
| 12th ILAS Conference | University of Regina | 2005 | |
| Brualdi-fest | University of Wisconsin-Madison | 2005 | |
| 1st Annual Graduate Student Combinatorics Conference | University of Minnesota | 2005 |
Professional Activities |
Co-organizer, 2006 Graduate Student Combinatorics Conference |
| Referee for Discrete Mathematics, Electronic Journal of Linear Algebra, Linear Algebra and its Applications |
Teaching Experience |
Undergraduate Teaching Assistant, University of Rochester | 4 semesters |
| Honors Calculus I-III, 3 semesters (total) | ||
| Introduction to Abstract Algebra I, 1 semester | ||
| Grader, University of Rochester | 1 semester | |
| History of Mathematics, 1 semester | ||
| Grader, University of Wisconsin-Madison | 3 semesters | |
| Introduction to Modern Algebra, 1 semester | ||
| Basic Concepts of Mathematics, 1 semester | ||
| Elementary Matrix and Linear Algebra, 1 semester | ||
| Teaching Assistant, University of Wisconsin-Madison | 7 semesters | |
| Calculus I, 2 semesters | ||
| Calculus II, 1 semester | ||
| Calculus II (Wisconsin Emerging Scholars), 1 semester | ||
| Calculus with Algebra and Trigonometry I, 1 semester | ||
| Calculus with Algebra and Trigonometry II, 1 semester | ||
| Linear Algebra and Differential Equations, 1 semester | ||
| Instructor, University of Wisconsin-Madison | 5 semesters | |
| Calculus I (satellite section), 1 semester | ||
| College Algebra, 2 semesters | ||
| Trigonometry, 3 semesters | ||
| Instructor, University of Victoria | 3 semesters | |
| Finite Mathematics, 2 semesters | ||
| Statistics for Life Sciences, 1 semester | ||
| Course Coordinator, University of Wisconsin-Madison | 1 semester | |
| College Algebra, 1 semester |
Teaching Professional Development |
Delta Program, University of Wisconsin-Madison | |
| Roundtable dinner on collaborative group work | Spring 2009 | |
| Learning and Teaching Center, University of Victoria | ||
| Teaching Squares, participant | Fall 2009 | |
| The art and craft of teaching the large class | Fall 2009 | |
| Optimizing the multiple-choice test item | Fall 2009 | |
| Teaching styles workshop | Fall 2010 |
Grants |
GSC Vilas Graduate Student Travel Grant | 2008 |
Honors and Awards |
Arthur Gale Prize for Top Graduating Math Major | 2002 |
| University of Rochester | ||
| Phi Beta Kappa | 2002 | |
| University of Rochester |
Research References |
Richard A. Brualdi | Dale Olesky |
| Professor of Mathematics | Professor of Computer Science | |
| University of Wisconsin-Madison | University of Victoria | |
| 608.262.3298 | 250.472.5788 |
| Bryan Shader | Pauline van den Driessche | |
| Professor of Mathematics | Professor of Mathematics | |
| University of Wyoming | University of Victoria | |
| 307.766.6826 | 250.721.7442 |
Teaching References |
Gary MacGillivray | Robert L. Wilson |
| Professor of Mathematics | Professor of Mathematics | |
| University of Victoria | University of Wisconsin-Madison | |
| 250.721.7448 | 608.263.5944 |