Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Pascal Pyramids, Pascal Hyper-Pyramids and a Bilateral Multinomial
  Theorem   Part I: The two-dimensional Pascal Triangle will be generalized into a
three-dimensional Pascal Pyramid and four-, five- or whatsoever-dimensional
hyper-pyramids. Part II: The Bilateral Binomial Theorem will be generalised
into a Bilateral Trinomial Theorem resp. a Bilateral Multinomial Theorem.

32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
36
The categories of this paper are: cmp-lg
16
The categories of this paper are: stat
6
The categories of this paper are: astro-ph