Home page of Prasenjit Saha

Research

Mainly gravitational dynamics, including gravitational lenses.

Teaching

Various course notes, mostly recently an introduction to astrophysics, some interactive Lorentz transformations, a visualization of the three-body problem, plus a book on Principles of Data Analysis

Miscellanea

Synaesthesia, curlicues, tuning systems, calendar arithmetic and random TeX stuff.

Contact info

Fermat's principle talk

Elucidating Fermat's Principle, with help from the audience.

Musings

A Fast Fourier Tranthform