Berndt Alexander Brenken
Positions
Professor Emeritus
Faculty of Science, Department of Mathematics and Statistics
Contact information
Background
Educational Background
PhD Mathematics, University of Pennsylvania, 1982
M.A. Mathematics, University of Pennsylvania, 1979
BSc (Hons) Mathematics, University of Toronto, 1977
Research
Areas of Research
Awards
- (Student) Dean's List Invitation , Faculty of Science (University of Calgary).
- Fields Institute Scientific Researcher, 2007
More Information
Publications
Book
- Brenken, B., Cuntz, Joachim, Elliott, George A. and Nest, Ryszard. On the classification of noncommutative tori. {III} 62. Amer. Math. Soc., 1987. 503-526. Print.
Journal article
- Brenken, B.. "Topological quivers as multiplicity free relations". Mathematica Scandinavica 106.2 (2010): 217-242. Print.
- Brenken, B.. "The isolated ideal of a correspondence associated with a topological quiver". New York Journal of Mathematics 12.2006 (2006): 47-62. Print.
- Brenken, B.. "{$C\sp *$}-algebras associated with topological relations". Journal of the Ramanujan Mathematical Society 19.1 (2004): 35-55. Print.
- Brenken, B.. "Endomorphisms of type {I} von {N}eumann algebras with discrete center". Journal of Operator Theory 51.1 (2004): 19-34. Print.
- Brenken, B.. "$Csp *$-algebras of infinite graphs and Cuntz-Krieger algebras". Canadian Mathematical Bulletin. Bulletin Canadien de Mathematiques 45.3 (2002): 321-336. Print.
- Brenken, B.. "Cuntz-{K}rieger algebras and endomorphisms of finite direct sums of type {${\rm I}\sb \infty$} factors". Transactions of the American Mathematical Society 353.10 (2001): 3835-3873 (electronic). Print.
- Brenken, B.. "Hecke algebras and semigroup crossed product {$C\sp *$}-algebras". Pacific Journal of Mathematics 187.2 (1999): 241-262. Print.
- Brenken, B.. "The local product structure of expansive automorphisms of solenoids and their associated {$C\sp \ast$}-algebras". Canadian Journal of Mathematics. Journal Canadien de Math\'ematiques 48.4 (1996): 692-709. Print.
- Brenken, B.. "{$K$}-groups of solenoidal algebras. {I}". Proc. Amer. Math. Soc. 123.5 (1995): 1457-1464. Print.
- Brenken, B.. "Isomorphism classes of solenoidal algebras. {I}". Canadian Mathematical Bulletin. Bulletin Canadien de Math\'ematiques 36.4 (1993): 414-418. Print.
- Brenken, B. and Jorgensen, Palle E. T.. "A family of dilation crossed product algebras". Journal of Operator Theory 25.2 (1991): 299-308. Print.
- Brenken, B.. "Classification of skew symmetric matrices". Proc. Amer. Math. Soc. 108.1 (1990): 163-169. Print.
- Brenken, B.. "A classification of some noncommutative tori". The Rocky Mountain Journal of Mathematics 20.2 (1990): 389-397. Print.
- Brenken, B.. "Norm limits of finite direct sums of {$I\sb \infty$} factors". Journal of Operator Theory 15.1 (1986): 3-13. Print.
- Brenken, B.. "Approximately inner automorphisms of the irrational rotation algebra". La Soci\'et\'e Royale du Canada. L'Academie des Sciences. Comptes Rendus Math\'ematiques. (Mathematical Reports) 7.6 (1985): 363-368. Print.
- Brenken, B.. "Representations and automorphisms of the irrational rotation algebra". Pacific Journal of Mathematics 111.2 (1984): 257-282. Print.
Journal articles - peer reviewed
- Brenken, B.. "Completely Positive Contractive Maps and Partial Isometries". Advances in Operator Theory 3.1 (2018): 271 -294. Print.
- Brenken, B.. "Ordered *-semigroups and a C*-correspondence for a Partial Isometry". SIGMA 10. (2014): 50. Print.
- Brenken, B. and Niu, Z. "The C*-algebra of a Partial Isometry". Proc. Amer. Math. Soc. 140.1 (2012): 199-206. Print.
- Brenken, B.. "A Dynamical Core for Topological Directed Graphs". Muenster J Math. 3. (2010): 111-144. Print.
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