Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Pencils of lines in generalized Laguerre spaces   In the paper we characterize subspaces and pencils of lines of generalized
(and multidimensional) Laguerre spaces and we consider definability of the
structure of "conic" pencils in the Grassmann space of 1-subspaces. We also
study definability of the underlying Laguerre geometry in terms of structures
of pencils of lines for some, more interesting, systems of pencils.

8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
36
The categories of this paper are: cmp-lg
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
13
The categories of this paper are: quant-ph
25
The categories of this paper are: patt-sol
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org