Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Investigating Dark Matter and MOND Models with Galactic Rotation Curve
  Data: Analysing the Gas-Dominated Galaxies   In this study the geometry of gas dominated galaxies in the SPARC database is
analyzed in a normalized $(g_{bar},g_{obs})$-space ($g2$-space), where
$g_{obs}$ is the observed centripetal acceleration and $g_{bar}$ is the
centripetal acceleration as obtained from the observed baryonic matter via
Newtonian dynamics. The normalization of $g2$-space significantly reduce the
effect of both random and systematic uncertainties as well as enable a
comparison of the geometries of different galaxies. Analyzing the gas-dominated
galaxies (as opposed to other galaxies) further suppress the impact of the mass
to light ratios.
  It is found that the overall geometry of the gas dominated galaxies in SPARC
is consistent with a rightward curving geometry in the normalized $g2$-space
(characterized by $r_{obs}>r_{bar}$, where $r_{bar}=\arg \max_r[g_{bar}(r)]$
and $r_{obs}=\arg \max_r[g_{obs}(r)]$). This is in contrast to the overall
geometry of all galaxies in SPARC which best approximates a geometry curing
nowhere in normalized $g2$-space (characterized by $r_{obs}=r_{bar}$) with a
slight inclination toward a rightward curving geometry. The geometry of the gas
dominated galaxies not only indicate the true (independent of mass to light
ratios to leading order) geometry of data in $g2$-space (which can be used to
infer properties on the solution to the missing mass problem) but also - when
compared to the geometry of all galaxies - indicate the underlying radial
dependence of the disk mass to light ratio.

37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
11
The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
30
The categories of this paper are: q-alg
22
The categories of this paper are: chao-dyn