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Oct. 2011 – present
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Associate Prof., Univ. of Copenhagen (KU-NAT)
[paternity leave: Sept. 2012 – Dec. 2012]
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Aug. 2007 – Sept. 2011
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Assistant Prof., Univ. of Copenhagen (KU-LIFE)
[paternity leave: Aug. 2009 – Nov. 2009]
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Aug. 2004 – July 2007
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Assistant Prof., Univ. of Aarhus (AU)
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June 2001 – May 2004
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PhD student (supervisor: H.-B. Foxby), Univ. of Copenhagen (KU-NAT)
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Jan. 2001 – May 2001
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Lundbeck Research Assistant, Univ. of Copenhagen (KU-NAT)
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Oct. 2000 – Dec. 2000
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University Research Assistant, Univ. of Copenhagen (KU-NAT)
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Aug. 1999 – May 2000
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Lecturer and examiner, Det Frie Gymnasium, Copenhagen (DFG)
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March 2010
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Rings without a Gorenstein analogue of the Govorov-Lazard theorem (40 min),
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Special Session at AMS Meeting #1057,
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University of Kentucky, Lexington, KY, USA
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May 2008
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Vanishing of cohomology over AC rings (30 min),
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Comm. Algebra: Connections with Algebraic Topology and Representation Theory,
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University of Nebraska-Lincoln, NE, USA
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March 2008
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Vanishing of cohomology over AC rings (35 min),
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European Mathematical Society Joint Mathematical Weekend,
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University of Copenhagen, Copenhagen, Denmark
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Nov. 2007
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Vanishing of cohomology over AC rings (60 min),
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Workshop on Derived Categories (part of Homotopy Theory and Higher Categories),
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Centre de Recerca Matematica, Barcelona, Spain
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Aug. 2006
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Compactly generated homotopy categories (40 min),
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Workshop on Triangulated Categories,
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University of Leeds, Leeds, UK
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April 2006
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Auslander categories and Auslander–Buchsbaum formulae (60 min),
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8th ARTIN Meeting,
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University of Leeds, Leeds, UK
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Aug. 2005
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Stable module categories (30 min),
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Minnowbrook Workshop on Commutative Algebra,
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Minnowbrook Adirondack Conference Center, NY, USA
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May 2002
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Gorenstein projective modules (60 min),
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A Workshop on Homological Methods in Commutative Algebra,
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Institute for Theoretical Studies in Physics and Mathematics, Teheran, Iran
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Nov. 2010
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Rings without a Gorenstein analogue of the Govorov-Lazard theorem (50 min),
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Texas Tech University, Lubbock, TX, USA
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May 2007
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A survey talk on covers (60 min),
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University of Aarhus, Aarhus, Denmark
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April 2007
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Examples of well-behaved triangulated categories (60 min),
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University of Copenhagen, Copenhagen, Denmark
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March 2007
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Triangulated categories and contravariantly finite classes (25 min),
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University College London, London, UK
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Jan. 2007
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Aspects of precovering classes (50 min),
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University of Nebraska–Lincoln, Lincoln, NE, USA
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April 2006
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Compactly generated homotopy categories (60 min),
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University of Aarhus, Aarhus, Denmark
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March 2006
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Compactly generated homotopy categories (60 min),
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University of Osnabruck, Osnabruck, Germany
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Aug. 2005
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Cohen–Macaulay injective dimension (50 min),
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University of Nebraska–Lincoln, Lincoln, NE, USA
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Jan. 2005
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Gorenstein injective modules related to semidualizing modules (50 min),
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University of Nebraska–Lincoln, Lincoln, NE, USA
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Sept. 2004
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Methods from Gorenstein homological algebra (60 min),
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University of Aarhus, Aarhus, Denmark
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Nov. 2003
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Gorenstein dimensions – a functorial description with applications (60 min),
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University of Leeds, Leeds, UK
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March 2010
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AMS Meeting #1057,
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University of Kentucky, Lexington, KY, USA
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May 2008
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Comm. Alg.: Connections with Algebraic Topology and Representation Theory,
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University of Nebraska-Lincoln, NE, USA
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March 2008
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European Mathematical Society Joint Mathematical Weekend,
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University of Copenhagen, Copenhagen, Denmark
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Nov. 2007
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Workshop on Derived Categories,
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Centre de Recerca Matematica, Barcelona, Spain
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May 2007
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Perspectives in Auslander–Reiten Theory,
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University of Trondheim, Trondheim, Norway
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Sept. 2006
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First Copenhagen Topology Conference,
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University of Copenhagen, Copenhagen, Denmark
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Aug. 2006
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Workshop on Triangulated Categories,
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University of Leeds, Leeds, UK
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June 2006
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Commutative Algebra Conference honoring the contributions of Winfried Bruns,
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University of Osnabrueck, Osnabrueck, Germany
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Sept. 2005
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Commutative Algebra Conference honoring the contributions of Phillip Griffith,
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University of Illinois, Urbana–Champaign, ILL, USA
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Aug. 2005
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Minnowbrook Workshop on Commutative Algebra,
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Minnowbrook Adirondack Conference Center, NY, USA
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April 2005
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Geometry and Representations,
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Centre International de Rencontres Mathematiques, Luminy, France
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Sept. 2004
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Algebra and Number Theory, a symposium for Christian U. Jensen,
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University of Copenhagen, Copenhagen, Denmark
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July 2003
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Commutative Algebra: Presentations by Young Researchers,
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Snowbird Resort, Salt Lake City, UT, USA
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March 2003
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Computational Commutative Algebra,
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Mathematical Sciences Research institute, Berkeley, CA, USA
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Feb. 2003
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Comm. Alg.: Interactions with Homological Algebra and Representation Theory,
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Mathematical Sciences Research institute, Berkeley, CA, USA
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May 2002
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A Workshop on Homological Methods in Commutative Algebra,
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Institute for Theoretical Studies in Physics and Mathematics, Teheran, Iran
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Sept. 2001
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Noncommutative Geometry (summerschool),
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Universiteit Antwerpen, Antwerpen, Belgium
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July 2001
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Commutative algebra: Interactions with Algebraic Geometry,
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Université de Grenoble I, Institut Fourier, Grenoble, France
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Nov. 2010
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Texas Tech University, Lubbock, TX, USA
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Nov. 2010
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Banff International Research Station (Research in Teams), Banff, AB, Canada
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May 2010
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Mathematisches Forschungsinstitut Oberwolfach (Research in Pairs), Germany
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Oct. 2008
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Mathematisches Forschungsinstitut Oberwolfach (Research in Pairs), Germany
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Aug. 2008
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Newcastle University, Newcastle, UK
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June 2008
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Banff International Research Station (Research in Teams), Banff, AB, Canada
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June 2007
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Newcastle University, Newcastle, UK
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Jan. 2007
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University of Nebraska–Lincoln, Lincoln, NE, USA
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April 2006
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University of Leeds, Leeds, UK
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March 2006
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University of Osnabrueck, Osnabrueck, Germany
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Aug. 2005
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University of Nebraska–Lincoln, Lincoln, NE, USA
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Jan. 2005
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University of Nebraska–Lincoln, Lincoln, NE, USA
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Nov. 2003
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University of Leeds, Leeds, UK
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Feb.–April 2003
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Mathematical Sciences Research institute, Berkeley, CA, USA (me in a NY Times article)
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Fall 2011
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Mathematics and data processing (lecturer), calculus and R programming (KU-LIFE)
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Spring 2011
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Mathematics and optimization (lecturer), optimization theory (KU-LIFE)
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Fall 2010
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Mathematics and data processing (instructor), calculus and R programming (KU-LIFE)
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Spring 2009
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Mathematics and planning (lecturer), optimization theory (KU-LIFE)
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Fall 2008
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Mathematics and data processing (instructor), calculus and R programming (KU-LIFE)
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Spring 2008
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Mathematics and planning (lecturer), optimization theory (KU-LIFE)
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Fall 2007
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Mathematics and data processing (instructor), calculus and R programming (KU-LIFE)
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Spring 2007
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Elementary commutative algebra (lecturer), graduate course in ring theory (AU)
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Spring 2007
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Linear transformations (lecturer), undergraduate course in linear algebra (AU)
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Spring 2007
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MatLab (chief consultant), mathematical laboratory in linear algebra (AU)
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Fall 2006
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MatLab (chief consultant), mathematical laboratory in calculus (AU)
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May 2006
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MAII (lecturer and examiner), undergraduate course in Fourier analysis (AU)
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Spring 2006
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MatLab (chief consultant), mathematical laboratory in linear algebra (AU)
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Fall 2005
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MatLab (chief consultant), mathematical laboratory in calculus (AU)
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Spring 2005
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MatLab (chief consultant), mathematical laboratory in linear algebra (AU)
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Fall 2004
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MatLab (chief consultant), mathematical laboratory in calculus (AU)
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Oct. 2002
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Mat4HA (lecturer), graduate course in homological algebra (KU-NAT)
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Fall 2002
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Mat1GA (coordinater and instructor), course in linear algebra and calculus (KU-NAT)
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Fall 2002
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MatLab (instructor), mathematical laboratory for all undergraduates (KU-NAT)
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Spring 2002
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Mat1GB (instructor and examiner), course in linear algebra and calculus (KU-NAT)
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Spring 2002
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MatLab (instructor), mathematical laboratory for all undergraduates (KU-NAT)
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Fall 2001
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Mat1GA (instructor), course in linear algebra and calculus (KU-NAT)
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Fall 2001
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MatLab (instructor), mathematical laboratory for all undergraduates (KU-NAT)
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Fall 2000
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Mat3AL (instructor), undergraduate course in Galois theory (KU-NAT)
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Spring 2000
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Mat3MI (instructor), undergraduate course in measure theory (KU-NAT)
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Fall 1999
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Mat2AN (instructor), undergraduate course in mathematical analysis (KU-NAT)
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Spring 1999
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Mat3MI (instructor), undergraduate course in measure theory (KU-NAT)
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Fall 1998
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Mat2AN (instructor), undergraduate course in mathematical analysis (KU-NAT)
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Spring 1998
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Mat3MI (instructor), undergraduate course in measure theory (KU-NAT)
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Fall 1997
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Mat2AN (instructor), undergraduate course in mathematical analysis (KU-NAT)
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Fall 1996
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Mat2AN (instructor), undergraduate course in mathematical analysis (KU-NAT)
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Jan. 2012
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Homological algebra, University of Copenhagen
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Sept. 2011
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Elementary number theory (re-examination), University of Copenhagen
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Sept. 2011
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Algebra 2 (re-examination), University of Copenhagen
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Aug. 2011
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M.Sc theis by P. K. Jørgensen, Clifford theory, 56 pp.
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June 2011
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Algebra 2, University of Copenhagen
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April 2011
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M.Sc theis by I. Bonnen, Serre's problem on projective modules, 70 pp.
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Feb. 2011
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Grad. project by K. R. O. Kjær, Triangulated and derived functors, 44 pp.
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Nov. 2010
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Grad. project by J. Gabe, The Dold-Kan correspondance, 37 pp.
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June 2010
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Grad. project by M. B. Willumsen, Prüfer rings, 51 pp.
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Jan. 2010
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Algebra 2 (re-examination), University of Copenhagen
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June 2009
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B.Sc thesis by M. B. H. Gath, Frobenius groups, 40 pp.
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June 2009
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M.Sc theis by L. Sprogø, Serre's conjecture, 73 pp.
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May 2009
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M.Sc theis by T. Tofteby, Rings of finite representation type, 85 pp.
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Dec. 2008
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M.Sc theis by K. G. Jensen, PI-algebras, 101 pp.
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Dec. 2008
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Grad. project by T. Nørgård-Sørensen, Categories, nerves, and (co)homology, 21 pp.
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Aug. 2008
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Grad. project by C. Søndergaard, Regular rings are UFD, 15 pp.
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Aug. 2008
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Linear Transformations (re-examination), University of Aarhus
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Aug. 2008
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M.Sc theis by S. G.Thomsen, The Krull dimension of a commutative ring, 92 pp.
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May 2008
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Grad. project by T. Tofteby, Commutative rings of finite representation type, 37 pp.
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April 2008
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B.Sc thesis by M. S. Christensen, The inverse Galois problem, 18 pp.
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Aug. 2007
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M.Sc theis by M. T. P. Noack, Semi-dualizing modules and G-dimensions, 88 pp.
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July 2007
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B.Sc thesis by U. H. Antonsen, Continued fractions, 26 pp.
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July 2007
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Grad. project by T. Bargheer and M. L. Christophersen, A days work in D(R), 69 pp.
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June 2007
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Grad. project by S. Arklint, On derived projective limits, 37 pp.
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Jan. 2007
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Grad. project by M. T. N. Jensen, Auslander's G-dimension, 31 pp.
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July 2006
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M.Sc thesis by R. Bruhn, Gorenstein dimensions over CM rings, 80 pp.
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June 2006
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Algebra 2, University of Copenhagen
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June 2010
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Vector spaces and free modules, Mat-Dat seminar (KU-LIFE)
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March 2010
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Robots, reactions, surfaces, and sudoku, SEST seminar (KU-LIFE)
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April 2009
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Independence, Mat-Dat seminar (KU-LIFE)
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Nov. 2008
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Groebner bases and their applications, Mat-Dat seminar (KU-LIFE)
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Dec. 2007
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How complicated can a singularity be?, Mat-Dat seminar (KU-LIFE)
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June 2004
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Gorenstein homological algebra, PhD thesis defense (KU-NAT)
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Oct. 2003
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On infinity, H.C. Ørsted days (KU-NAT)
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Oct. 2002
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Distribution of prime numbers (with Tommy Bulow), H.C. Ørsted days (KU-NAT)
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May 2002
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Banach–Tarski's paradox, Student colloquium (KU-NAT)
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Oct. 2001
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RSA cryptography (with Anders Frankild), H.C. Ørsted days (KU-NAT)
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Sept. 2000
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Gorenstein projective, injective and flat modules, M.Sc thesis defense (KU-NAT)
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