Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Quasi Curtis-Tits-Phan theorem for the symplectic group   We obtain the symplectic group as an amalgam of low rank subgroups akin to
Levi components. We do this by having the group act flag-transitively on a new
type of geometry and applying Tits' lemma. This provides a new way of
recognizing the symplectic groups from a small collection of small subgroups.
The geometry consists of all subspaces of maximal rank in a vector space of
maximal rank with respect to a symplectic form. The main result holds for
fields of size at least 3. We analyze the geometry over the field of size 2 and
describe its simply connected cover if different from the geometry.

28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
5
The categories of this paper are: gr-qc
25
The categories of this paper are: patt-sol
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
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The categories of this paper are: stat
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The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
3
The categories of this paper are: physics