The Snake Lemma in unflattering detail

“Proving the snake lemma is something that should not be done in public…” ~ Paolo Aluffi. The Snake Lemma is a theorem about exact sequences of modules, and is an important tool in homological algebra. Almost every textbook that includes the Snake Lemma leaves it as an “easy” exercise. Atiyah–MacDonald is kind enough to construct … Continue reading “The Snake Lemma in unflattering detail”

The mindset for a successful mathematics undergraduate

Hey and welcome to my new blog, where I’ll discuss mathematics I like, study skills, and the lifestyle habits that keep me productive, organized, and stress-free on my academic journey. Mathematics is a famously difficult subject to study at university, so I’m going to kick things off with some general mindset tips for fellow undergraduates … Continue reading “The mindset for a successful mathematics undergraduate”