Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A 27-vertex graph that is vertex-transitive and edge-transitive but not
  l-transitive   I describe a 27-vertex graph that is vertex-transitive and edge-transitive
but not 1-transitive. Thus while all vertices and edges of this graph are
similar, there are no edge-reversing automorphisms.

22
The categories of this paper are: chao-dyn
11
The categories of this paper are: hep-lat
15
The categories of this paper are: nucl-ex
14
The categories of this paper are: math-ph
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
9
The categories of this paper are: nlin