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Slides and Lecture Notes
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Slides from selected research lectures
- Derived category techniques in commutative algebra,
AMS Special Session Directions in Commutative Algebra: Past, Present, Future (dedicated to the memory of H.-B. Foxby), University of Wisconsin-Eau Claire, Sep 2014
- Two questions about Ext,
AMS Special Session on Commutative Ring Theory, University of Wisconsin-Eau Claire, Sep 2014
- On the structure of S_2-ifications of complete local rings,
AMS Special Session on Interactions between Commutative Algebra and Algebraic Geometry, Texas Tech University, Apr 2014
- Local rings of embedding codepth at most 3 have only trivial semidualizing complexes,
AMS Special Session on Commutative Algebra, University of New Mexico, Apr 2014
- Path Ideals for Weighted Graphs,
AMS Special Session on Special Session on Commutative Algebra and its Interaction with Algebraic Geometry and Combinatorics, University of California, Riverside, Nov 2013
- Reflexivity and Connectedness,
AMS Special Session on Commutative Rings, Ideals, and Modules, University of Louisville, Oct 2013
- Ascent Properties for Derived Functors,
AMS Special Session on Commutative Ring Theory, Iowa State University, Apr 2013
- Weakly Spherical Modules,
AMS Special Session on Topics in Commutative Algebra, University of Arizona, Oct 2012
- A local ring has only finitely many semidualizing modules up to isomorphism,
AMS Special Session on Singularities in Commutative Algebra and Algebraic Geometry,
University of Kansas, Mar 2012
- A theorem in representation theory for DG algebras, with an application to a question of Vasconcelos,
AMS Special Session on Algebraic Geometry and Graded Commutative Algebra, University of Nebraska-Lincoln, Oct 2011
- Ext^1: What is it good for?,
NDSU Mathematics Colloquium, Sep 2011
- Generalized Zero-Divisor Graphs,
Mini-conference on Commutative Ring Theory,
University of Iowa, Mar 2011
- Bass Numbers and Semidualizing Modules,
AMS Special Session on Commutative Algebra,
University of Iowa, Mar 2011
- Finite generation of Ext and ascent of module structures,
AMS Special Session on Commutative Algebra and Its Interactions with Algebraic Geometry,
University of Notre Dame, Nov 2010
- The Mathematics of Internet Security:
Keeping Eve The Eavesdropper Away From Your Credit Card Information,
NDSU College of Science and Mathematics Science Cafe, Sep 2010.
- Semidualizing modules for rings of codimension 2,
AMS Special Session on Commutative Algebra: Module and Ideal Theory,
Baylor University, Oct 2009
- Semidualizing modules and bass numbers,
AMS Special Session on Local and Homological Methods in Commutative Algebra,
University of Illinois at Urbana-Champaign, Mar. 2009
- Semidualizing modules and bass numbers,
4th World Conference on 21st Century Mathematics
Abdus Salam School of Mathematical Sciences
Lahore, Pakistan, Mar. 2009
- Doing algebra in Tehran,
World iView Speakers Series,
North Dakota State University, Jan. 2009
- Gorenstein presentations and semidualizing
modules, AMS Special Session on Hilbert Functions and Free Resolutions,
University of British Columbia, Oct. 2008
- Homotopy-theory techniques in commutative algebra,
Mathematics Department Colloquium,
Texas Tech University, Apr. 2007
- Complete Intersection Dimensions and Foxby Classes,
AMS Special Session on Free Resolutions,
DePaul University, Oct. 2007
- Ext-vanishing and Ascent of Module Structures,
workshop on Commutative Algebra and its Interaction with Algebraic Geometry,
Banff International Research Station, June 2007
- Homological Algebra of Local Ring Homomorphisms,
Mathematical Sciences Department Colloquium,
Kent State University, Feb. 2007
- Homotopy-theory techniques in commutative algebra,
Mathematics Department Colloquium,
University of Copenhagen, Jan. 2007
- Detecting completeness from Ext-vanishing,
AMS Special Session on Commutative Algebra,
University of Utah, Sep. 2006
- Descent of semidualizing complexes,
Homological Conjectures in Commutative Algebra;
A Conference in Honor of Paul C. Roberts Sixtieth Birthday,
Snowbird, UT, May 2006
- Incomparability of semidualizing modules,
AMS Special Session on Homological Aspects of Commutative Algebra,
Bard College, Oct. 2005
- Descent of semidualizing modules,
Nebraska Commutative Algebra Conference: WiegandFest,
University of Nebraska-Lincoln, May 2005
- Semidualizing modules,
AMS Special Session on Local and Homological Algebra,
Vanderbilt University, Oct. 2004
- A new characterization of Gorenstein rings,
AMS Special Session on the Homological Algebra of Commutative Rings,
Houston, TX, May 2004
- The set of semidualizing complexes is a metric space,
AMS Special Session on Syzygies and Hilbert Functions,
Florida State University, Mar. 2004
- Gorenstein Dimension of the Frobenius Endomorphism,
AMS-IMS-SIAM Summer Research conference,
Commutative Algebra: Presentations by Young Researchers,
Snowbird, UT, July 2003
- Complete Intersection Dimension for Complexes,
AMS Special Session on Commutative Algebra and Algebraic Geometry,
San Diego, CA, Jan. 2002
- Symbolic Powers of Prime Ideals,
AMS Special Session on Commutative Algebra,
Williams College, Oct. 2001
- Intersections of Symbolic Powers of Prime Ideals,
Algebra Weekend 2001,
University of Missouri, Columbia, Apr. 2001
- A Conjecture of Kurano and Roberts Related to the Positivity of the
Intersection Multiplicity of Serre,
AMS Special Session on Algebraic Geometry and Commutative Algebra,
Washington, DC, Jan. 2000
- Multiplicities and Localization,
AMS Special Session on Commutative Algebra,
University of Utah, Sep. 1999
- Polynomials and Affine Space, an Introduction to Commutative Algebra and
Algebraic Geometry,
Mathematics Department Colloquium,
San Francisco State University, Oct. 1999
Lecture notes
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Last updated 04 Jul 2014