L·E·Santori

— Notebook —

Marginalia,
in no particular order.

Occasional notes on what I'm reading, what I'm puzzling over, and what graduate school is teaching me about doing mathematics.

12 May · 2026
Why Hilbert's nineteenth, still.
On why a question posed in 1900 — and answered in the 1950s — keeps yielding new questions.
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28 Apr · 2026
First weeks at Purdue.
Notes from the transition out of an undergraduate identity and into a much quieter one.
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14 Feb · 2026
Three things I keep forgetting about De Giorgi's iteration.
A self-addressed reminder, in case I am the only one who needs it.
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More notes will appear here as the year goes on. If you'd like to subscribe by email, write to lsantori@purdue.edu.