__ Algebra and Geometry Seminar (Spring 2009): __Uwe Nagel, coordinator; Tuesdays, 2:00 - 3:00 pm, in POT 745. We are studying the book Toric Varietes, written by D. Cox, J. Little, H. Schenck

__ Algebra and Geometry Seminar (Fall 2008):__ Uwe Nagel, coordinator; Tuesdays, 4:00 - 5:00 pm, in POT 845. Some weeks will have a WILDCATS seminar instead, which then normally will take place Mondays 4:00 - 5:00 pm in CB 238 (WILDCATS = Work, Interactions, and Leading Developments in Combinatorics, Algebra, Topology, and Statistics).

**Hilbert schemes of points**, Kyungyong Lee (Purdue University), December 2, 2008 at 4:00 pm in POT 745**Stanley decompositions for squarefree monomial ideals**, YiHuang Shen (Purdue University), November 25, 2008 at 4:00 pm in POT 745**Constructing the absolute value on a finite extension of Q_p**, Laura Steil (University of Kentucky), November 18, 2008 at 4:00 pm in POT 745**Codes over finite rings**, Jon-Lark Kim (University of Louisville), November 11, 2008 at 4:00 pm in POT 745**Noncrossing partitions and intersections of shards**, Nathan Reading (North Carolina State University), November 10, 2008 at 4:00 pm in CB 238**A combinatorial description of the core**, Bonnie Smith (University of Notre Dame), October 28, 2008 at 4:00 pm in POT 745**Generic Initial Ideals**, David Cook II (University of Kentucky), October 14, 2008 at 4:00 pm in POT 745**Least Squares Methods for Equidistant Tree Reconstruction**, Serkan Hosten (San Francisco State University), September 30, 2008 at 4:00 pm in CB 208 (WILDCATS seminar)**Betti Numbers of Bipartite Graph Ideals**, Michael Goff (University of Washington), September 23, 2008 at 4:00 pm in POT 745**Experiments in Lattice Polytopes**, Winfried Bruns (University of Osnabrueck, Germany), September 8, 2008 at 4:00 pm in CB 238 (WILDCATS seminar)

__ Algebra and Geometry Seminar (Spring 2008):__ Uwe Nagel, coordinator; Tuesdays, 3:00 - 4:00 pm, in POT 845.

**Gorenstein Approximations, Dual Filtrations, and Applications**, Tony Puthenpurakal (IIT Bombay), April 29, 2008**An Introduction to Low-Density Parity-Check Codes**, Christine Kelley (Ohio State University), April 22, 2008**Poincare Series for Diagonal Forms**, Dibyajyoti Deb (UKY), April 8, 2008**Building Public Key Crypto-Systems from Semi-Rings**, Joachim Rosenthal (Zürich), April 3, 2008**The Slice Algorithm**, Bjarke Roune (Aarhus), April 1, 2008**Simplicial Complexes and Algebraic Statistics**, Erik Stokes (UKY), March 18, 2008**Gorenstein Hilbert functions**, Juan Migliore (Notre Dame), March 4, 2008**Introduction to the Milnor Fibration**, Darren Tapp (UKY), January 30, February 5, February 19, 2008

__ Algebra and Geometry Seminar (Fall 2007): __Uwe Nagel, coordinator; Tuesdays, 3:30 - 4:30 pm, in POT 845.

**Minimal Linkage**, Uwe Nagel (UKY), November 27, 2007**How to use the CD-index**, Michael Slone (UKY), October 30, 2007**Ordered Fields and Quadratic Forms**, Claus Schubert (UKY), October 23, 2007**An Open Problem on Hierarchical Models and Simplicial Complexes**, Erik Stokes and Sonja Petrovic (UKY), October 16, 2007**Edge Ideals of Trees**, Rachelle Bouchat (UKY), October 9, 2007**Groebner Bases and List Decoding of BCH Codes**, Philip Busse (UKY), October 2, 2007**Algebraic properties of cut ideals**, Sonja Petrocvic (UKY), September 25, 2007**The arithmetic degree of squarefree strongly stable ideals**, Eric Stokes (UKY), September 11, 2007**Specializations of Ferrers ideals**, Uwe Nagel (UKY), September 4, 2007

__ Algebra and Geometry Seminar (Spring 2006):__ Uwe Nagel, coordinator

- To be completed!

** Algebra and Geometry Seminar (Fall 2005):** Uwe Nagel, coordinator

**Gröbner Bases and Combinatorics for Error-Correcting Codes**, Philip Busse, University of Kentucky

November 16, 2005 - 4:15pm - POT845**Ehrhardt polynomials and magic squares**,Tricia Muldoon, University of Kentucky

November 9, 2005 - 4:15pm - POT845**Extremal Betti Numbers and Applications to Monomial Ideals**, Rachelle Bouchat, University of Kentucky

November 2, 2005 - 4:15pm - POT845**What Can Be Said About Pure O-sequences?**, Sonja Petrovic, University of Kentucky

October 26, 2005 - 4:15pm - POT845**Empty simplices of polytopes and graded Betti numbers**, Uwe Nagel, University of Kentucky

October 5, 2005 - 4:15pm - POT845**State polytopes and varieties of minimal degree**, Sonja Petrovic, University of Kentucky

September 28, 2005 - 4:15pm - POT 845

** Algebra and Geometry Seminar (Spring 2005):** Uwe Nagel, coordinator

**Multiple Views on h-vectors**, Carl Lee, University of Kentucky, March 28, 2005 - 2:00pm - POT945**Toric Ideals of Ferrers Graphs**, Uwe Nagel, University of Kentucky, March 7, 2005 - 2:00pm - POT945**Edge Ideals of Ferrers Graphs**, Uwe Nagel, University of Kentucky, March 7, 2005 - 2:00pm - POT945**The Dedekind-Mertens Formula and Ferrers Graphs**, Alberto Corso, University of Kentucky, March 1, 2005 - 2:00pm - POT945**Resolutions of Tree Ideals**, Rachelle Bouchat, University of Kentucky, February 21, 2005 - 2:00pm - POT945

** Algebra and Geometry Seminar (Spring 2004):** Uwe Nagel, coordinator

**Systems of quadratic forms over the real numbers**, Kelly McKenzie, University of Kentucky, April 28, 2004 - 3:00 pm - POT845**Koszul homology and integral closure of ideals**, Alberto Corso, University of Kentucky, April 7+14, 2004 - 3:00 pm - POT845**Generalized Teichmuller invariants**, Edgar Enochs, University of Kentucky, March 31, 2004 - 3:00 pm - POT845**TBA**

Tim Roemer, University of Osnabrueck, March 24, 2004 - 3:00 pm - POT845**Convolutional codes with cyclic structure**, Heide Gluesing-Luerssen, University of Kentucky, February 25 and March 3, 2004 - 3:00 pm - POT845**Generalized Tate cohomology**, Alina Iacob, University of Kentucky, February 18, 2004 - 3:00 pm - POT845**Tetrahedral curves**, Uwe Nagel, University of Kentucky, February 4+11, 2004 - 3:00 pm - POT845**Plane curves of the form**, Avinash Sathaye, University of Kentucky, January 27, 2004 - 3:00 pm - POT845*y*, Part II^{n}=x^{m}

** Algebra and Geometry Seminar (Fall 2003):** Uwe Nagel, coordinator

**Plane curves of the form**, Avinash Sathaye, University of Kentucky, December 4, 2003 - 3:00 pm - POT845*y*^{n}=x^{m}**The equation of a degree two curve**, Uwe Nagel, University of Kentucky, November 20, 2003 - 3:00 pm - POT845**Curves on surfaces of minimal degree**, Roberta Di Gennaro, Università di Napoli (Italy), November 13, 2003 - 3:00 pm - POT845**Homogeneous forms over p-adic fields, II**, David Leep, University of Kentucky, November 6, 2003 - 3:00 pm - POT845**Homogeneous forms over p-adic fields, I**, David Leep, University of Kentucky, October 30, 2003 - 3:00 pm - POT845**Some aspects of convolutional coding theory, II**, Heide Gluesing-Luerssen, University of Kentucky, October 23, 2003 - 3:00 pm - POT845**Some aspects of convolutional coding theory, I**, Heide Gluesing-Luerssen, University of Kentucky, October 16, 2003 - 3:00 pm - POT845**Landau-Ginzburg Calabi-Yau correspondence and vertex algebras, II**, Vassily Gorbunov, University of Kentucky, September 25, 2003 - 3:00 pm - POT1345**Landau-Ginzburg Calabi-Yau correspondence and vertex algebras, I**, Vassily Gorbunov, University of Kentucky, September 18, 2003 - 3:00 pm - POT845**Sally modules in local rings and applications**, Alberto Corso, University of Kentucky, September 11, 2003 - 3:00 pm - POT845

** Algebra and Geometry Seminar (Spring 2003):** Uwe Nagel, coordinator

**Construction of Gorenstein ideals**, Sonia Spreafico, Politecnico di Torino (Italy), April 28, 2003 - 4:00 pm - POT945**Projective curves with very degenerate general hyperplane section**, Roberto Notari, Politecnico di Torino (Italy), April 21, 2003 - 4:00 pm - POT945**Bluegrass Algebra Conference and Hayden-Howard Lectureship**, April 11-13, 2003**Chiral differential operators and mirror symmetry**, Vassily Gorbunov, University of Kentucky, March 31, 2003 - 4:00 pm - POT945**The Amer-Brumer Theorem over arbitrary fields**, Todorka Nedeva, University of Kentucky, March 24, 2003 - 4:00 pm - POT945**Multiplicity of the special fiber of blowups**, Alberto Corso, University of Kentucky, March 10, 2003 - 4:00 pm - POT945**Cyclic convolutional codes**, Heide Glüsing-Lüerßen, University of Oldenburg (Germany), Februry 24, 2003 - 4:00 pm - POT945**Linear subspaces on the variety given by a nonsingular intersection of two quadratic forms**, David Leep, University of Kentucky, February 10, 2003 - 4:00pm - POT945**The maximum number of points on a hypersurface defined over a finite field**, David Leep, University of Kentucky, January 27, 2003 - 4:00pm - POT845

** Algebra and Geometry Seminar (Fall 2002):** Uwe Nagel, coordinator

**Bezout's theorem and Cohen-Macaulay modules, I + II**, Uwe Nagel, University of Kentucky, December 3 + 10, 2002 - 2:00pm - POT845**Compact coGalois groups**, Edgar Enochs, University of Kentucky, November 26, 2002 - 2:00pm - POT845**The weak Lefschetz property for some complete intersections**, Uwe Nagel, University of Kentucky, November 19, 2002 - 2:00pm - POT845**Useful versions of Bertini's Theorems**, Avinash Sathaye, University of Kentucky, November 5 + 12, 2002 - 2:30pm - POT845