More on Research Interests

** Selected Ph.D Students and PostDocs Students/Postdocs

** My (former!) Ph.D. student Dianna Xu's home page
Dianna Xu's dissertation

** My Ph.D student Marcelo Siqueira's home page (Brazil)
Marcelo Siqueira's dissertation

** My Ph.D student (Gary) Hui Zhang's home page

** Detailed Description of Research interests

** Closest Collaborators at Penn Collaborators


Spring 2023

Fall 2023

Spring 2024

Some Courses Taught in the Past Few Years

Some Talks

Algebraic Geometry and Algebra

** Books in progress, class notes, etc.

** Home Page for MATH 622, Fall 1999

** The 27 lines on a cubic surface

The Cartan-Lie Group

Working group discussing the use of geometry in computer science problems.

** What is the Cartan-Lie group?

Physics and Astronomy

** Home Page for Physics and Astronomy (Upenn)

Biochemistry and Biophysics

** Home Page for Biochemistry and Biophysics (Upenn)

Theoretical Computer Science

** TCS Homepage

Journal of Symbolic Computation

** JSC Homepage

Librairie Gabay

A Great bookstore in Paris, specializing in reprints of classics in Mathematics (circa 1900)

** About Gabay Bookstore

Nicholas Bourbaki

** About Bourbaki

Working Group in Applied Math and Computational Science

** Home Page

The MacTutor History of Mathematics archive

** Welcome Page

Other Resources, Mathematical or not

Other Interests