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Expository

Articles:

2. (with T. Windfeldt). Fibonacci identities and graph colorings, preprint. pdf | arXiv

1. (with D. Rhea) Explicit construction of Aut(G), the group of automorphisms of G, for any finite Abelian group G. (also includes a formula for the cardinality of Aut(G)), American Mathematical Monthly, 114 (2007), no. 10, 917-923.. pdf | arXiv | Wikipedia

Lecture Notes:

A basic introduction to Maple. pdf

Miscellaneous:

Evaluation of the Quadratic Gauss Sum (very old).  pdf

Solution to Problem 5.2(c) in Stanley's Enum. Comb. II.  ps | pdf

Discriminants of Symmetric Matrices are Sums of Squares. pdf

Talks: (a more detatiled list is here)

RISC Algorithmic Combinatorics Seminar: Finite generation of symmetric ideals
Hagenberg, Austria | May 31, 2006 | pdf

Technische Universitat: Finite generation of symmetric ideals
Kaiserslautern, Germany | May 24, 2006 | pdf

Special Semester on Groebner Bases: Finite generation of symmetric ideals
Linz, Austria | March 28, 2006 | pdf

FPSAC’06: Finite generation of symmetric ideals
San Diego, California | June 19, 2006 | pdf

Texas A&M University GSO Seminar: Advances on the Bessis-Moussa-Villani trace conjecture
TAMU | Jan 19, 2006 | pdf

AMS Special Session: Solving Polynomial Systems, 2004 Fall AMS Central Section Meeting: Reconstructing dynamical systems from their zeta functions
U Illinois at Chicago | October 24, 2004 | pdf

UC Berkeley Combinatorics Seminar: Finite generation of symmetric ideals
UC Berkeley | October 4, 2004 | pdf

UC Berkeley Combinatorics Seminar: New coins from old: computing with unknown bias
UC Berkeley | May 10, 2004 | pdf

FPSAC’04 (poster): Cyclic resultants
Vancouver, Canada | June 29, 2004 | pdf

UC Berkeley Commutative Algebra Seminar: Cyclic Resultants.
UC Berkeley | Nov 18, 2003 | pdf

UC Berkeley Combinatorics Seminar:  Eigenvalues of Words in Two Positive Definite Matrices and Relations to Symmetric Word Equations.
UC Berkeley | April 29, 2002 | pdf

Southern California Matrix Meeting:  Absolutely Flat Idempotents.
Nov 16 2002 | pdf | slides

Southern California Matrix Meeting:  Symmetric Word Equations.
Nov 3 2001 | pdf | slides

 

 



























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