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24

How to approach group theory problems efficiently?

I've been struggling with group theory problems, especially when it comes to identifying isomorphisms...

M@mathwhiz42
Help 2h ago 12
15

Peer review: My proof of the Bolzano-Weierstrass theorem

I wrote a proof using the nested intervals approach. Can someone check if my logic is sound?

A@analysisfan
Peer Review 5h ago 8
7

Error in Abstract Algebra p2 solution?

I think the solution for problem 2 in Abstract Algebra has an error in step 3...

P@proofchecker
Bug Report 1d ago 3
45

Feature request: Dark mode for LaTeX renderer

The LaTeX equations are hard to read in dark mode. Can we get a proper dark mode?

N@nightowl
Feedback 2d ago 21
89

Built a topology visualizer with Three.js!

Hey everyone! I built a 3D topology visualizer that renders common topological spaces...

C@codegeek
Show & Tell 3d ago 34
10

Help understanding measure theory fundamentals

I'm new to measure theory and struggling with sigma-algebras. Can anyone explain...

M@mathstudent99
Help 4d ago 6
32

Number theory challenge: Prove this identity

Can someone prove that for all primes p > 3, p^2 - 1 is divisible by 24?

P@primehunter
Peer Review 5d ago 15
28

Linear algebra resources for self-study?

I'm looking for good resources to learn linear algebra beyond Gilbert Strang's lectures...

S@selflearner
Help 1w ago 19