r/math • u/canyonmonkey • 5d ago

What Are You Working On? October 12, 2026

This recurring thread will be for general discussion on whatever math-related topics you have been or will be working on this week. This can be anything, including:

* math-related arts and crafts,
* what you've been learning in class,
* books/papers you're reading,
* preparing for a conference,
* giving a talk.

All types and levels of mathematics are welcomed!

If you are asking for advice on choosing classes or career prospects, please go to the most recent Career & Education Questions thread.

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1

u/malicioustoad67 22h ago

L'Hôpital's rule! I'm a prospective math major in 12th grade. (AKA I'm a noob)

2

u/KnownAd9773 2d ago

Published my first geometrical proof without words. The paper is behind a paywall, but if anyone is interested, PM me, I have 40+ free eprints (links that give full-text access).

4

u/Plastic-Rope5516 3d ago

I'm learning about linear mappings, and properties of the real numbers defined using Cauchy sequences. I will be learning about formal definitions of continuity and convergence soon

5

u/Plastic-Rope5516 3d ago

I'm still at the very basics

3

u/Interesting-Let4127 3d ago

chuging along on my course work

3

u/AlbertaSpruceLover 4d ago

I'm rebuilding my foundation in math and statistics after a long career break. This week I'm reading chapter 1 in Axler, chapter 1 in Grimmett, Interals in Apostol I, chapter 14 in Apostol I.

3

u/flynnnupe 4d ago

The Turán density of the tetrahedron currently. Trying to finally solve the problem with flag algebra.

3

u/TacoYaci 4d ago

My recent finished work is on "When a Moy-Prasad subgroup of GLn is uniform" (https://tacoyaci.github.io/)

Inspired by a nice paper of Casey Perdue on the arxiv the other day.

3

u/BerenjenaKunada Graduate Student 5d ago

Understanding the basic topology of the ideam boundary of a proper Rips hyperbolic space

5

u/No_Difficulty_1452 5d ago

Hodge Classes