Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kaehler Metrics: String vs Field Theoretical Approach   We use both a string and a field theoretical approach in order to determine
respectively the Kaehler metrics of untwisted and twisted open strings attached
to magnetized D9 branes in toroidal compactifications.

22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
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The categories of this paper are: funct-an
24
The categories of this paper are: dg-ga
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
15
The categories of this paper are: nucl-ex
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The categories of this paper are: eess
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
6
The categories of this paper are: astro-ph