Sidharth Hariharan: The Website

Expository Writing


I really enjoy expository writing, because it allows me to demonstrate my point of view on mathematics that might already have been understood by people who... aren't me. Click on the links below to read my work!

Notes on General Topology

21-651: General Topology | Carnegie Mellon University, Fall 2025

Link to latest version of notes

A set of notes I am currently live-TeXing for a first-semester graduate course on General Topology taught by James Cummings at CMU in 2025.

Notes on Mathematical Logic

MATH70132: Mathematical Logic | Imperial College London, Spring 2025

Link to latest version of notes

A set of notes I live-TeXed for a second-term Master's course on Mathematical Logic taught by David Evans at Imperial in 2025.

Notes on Lie Algebras

MATH70062: Lie Algebras | Imperial College London, Winter 2024

Link to latest version of notes

A set of notes I live-TeXed for a first-term Master's course on Lie Algebras taught by Ambrus Pál at Imperial in 2024.

Notes on Representation Theory

MATH-314: Representation Theory of Finite Groups | EPFL, Spring 2024

Link to GitHub repository

A set of notes I live-TeXed for a final-semester undergraduate course on Representation Theory taught by Aluna Rizzoli at EPFL in 2024.

Designing a Mathematical Mandala

Pages 43-47, Mathematics Today, April 2024

Link to Mathematics Today issues

In this article, I describe how to design a work of Mandala Art using relatively simple mathematics.