Have you ever been interested to know where the people are that are visiting your website. Here is a little toy for your enjoyment that shows some usage statistics using Google maps
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Our baby daughter, Geffen Sky Leitner, was born October 4, 2006 at 8:46 at the Soroka Medical Center in Be’er Sheva. She already has a digital presence.

Here are the slides from my talk on PBW Theorems and Splays at the Shanghai Workshop on Noncommutative algebraic geometry.

Here are some projects and teaching materials that I have worked on while I was a graduate student at the University of Arizona.
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Here are some instructions on using a mathML enabled thunderbird in Fedora (tested on Fedora core Beta 5).
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A wordpress plugin for the handling of Named entities.
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A mathML aware Wordpress 2.0 plugin to easily interface with RSS feeds of the recent articles at the arXiv
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A Wordpress 2.0 plugin to interface with webCalendar 1.1
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I have been using J. Distler’s itex2MML plugin to generate the mathML for this webpage. As I am using Wordpress 2.0.x the patches he provides don’t quite work.
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This wordpress 2.0.x plugin checks the status of an IMAP or POP3 mailbox for a logged in user.
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Always good for a background image….
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Here are some things that you will need to take notes at the Arizona Winter School.
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I became interested in describing noncommutative formal groups in positive charactersitic. In:

Noncommutative Formal Groups In Positive Charactersitic

I describe some basic structure theory for such groups. (more…)

Some photos from in and around Tucson.
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A very early paper with A. Negi and K. Scott was to describe how one might use the ambient ocean noise field to detect the presence of a silent submarine.
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