New posts in Set Partition

Is that possible to partition $(\Bbb R,+)$ into 4 additively closed subsets?

What does "relation induced by a partition" mean?

Partitioning a multiset into multisets of fixed sizes

Is Wikipedia wrong when stating that $\emptyset$ has exactly one partition, namely $\emptyset$?

Exploring $ \sum_{n=0}^\infty \frac{n^p}{n!} = B_pe$, particularly $p = 2$.

Can every infinite set be divided into pairwise disjoint subsets of size $n\in\mathbb{N}$?

Number of equivalence relations on a finite set

Partition of an infinite set into finitely many infinite sets?

Enumeration of set partitions

How many ways to merge N companies into one big company: Bell or Catalan?