Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Counterexamples in Cake-Cutting   This article contains counterexamples to theorems and claims in Brams, Jones
and Klamler's article "Better Ways to Cut a Cake" in the December 2006 Notices
of the American Mathematical Society.

37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
1
The categories of this paper are: cs
12
The categories of this paper are: nucl-th