yang-mills mass gap

How do you find the center of two concentric circles with just a straightedge?

Is there an interesting set of natural numbers defined by a number-theoretic property that is finite?

Is there a question about a purely finite structure that's independent of ZF, or just ZF-infinity?

What's an example of an ordered set other than R that obeys the first 3 Suslin conditions?

Interesting logic proof: (a OR b) -> c = (a -> c) AND (b -> c)

Matrix Theory: From Generalized Inverses to Jordan Form

What are some interesting fiber bundles with a disk or plane as the base?

Has someone written a proof of an empty Cartesian product of non-empty sets in ZF¬C?

What do you call the problem of "factoring" a group member into group generators?

Bottle, Burger, Beer, Hot Dog Viral Puzzle – Mind Your Decisions

How well known is the consistency of large-cardinal theories?

open source math textbooks

some older machine learning books

"Prompt Gisting:" Train two models such that given inputs "Translate French<G1><G2>" and "<G1>G2>The cat," then G1 and G2 represent the entire instruction.

Taming AI Bots: Prevent LLMs from entering "bad" states using continuous guidance from the LLM ("is this good? bad?") to avoid bad states.

The TeX book

open source data visualization books

The space of homogeneous probability measures on $\overline{\Gamma \backslash X}_{\max}^{S}$ is compact

Automorphic number theory