This is a page

Here is my GREAT Day 2008 Powerpoint Presentation.

Here is my GREAT Day and JMM 2009 Poster.

Here is the background information for D&D 09-10: The Price of Peace.

Here is the first Intermission update for The Price of Peace.

Here is a cool isotopy movie!

Here is a Mathematica movie of a deformation retraction of an annulus into a circle.

Here is a Mathematica movie of a deformation retraction of a Möbius strip into a circle.

Here is a Mathematica movie of a deformation retraction of a solid torus into a circle.