Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The role of the Interstellar Medium in Galaxy Formation Simulations   There is a strong connection between the formation of a disk galaxy and the
properties of the interstellar medium (ISM). Theoretical work has typically
either focused on the cosmological buildup of a galaxy with a relatively crude
model for the gas physics, or examined local processes in the ISM and ignored
the global evolution of the galaxy itself. Here, I briefly review what has been
learned from both of these approaches, and what can be done to bridge the gap
between them. I argue that cosmological simulations need to learn from
observational and theoretical work on local ISM properties and adopt more
sophisticated models for the processes that they cannot resolve. Since the ISM
is still incompletely understood, there are a number of reasonable approaches
for these "subgrid" models, and I will discuss the strengths and limitations of
each.

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The categories of this paper are: math
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
16
The categories of this paper are: stat
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The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
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The categories of this paper are: atom-ph
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The categories of this paper are: nlin
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The categories of this paper are: q-fin
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The categories of this paper are: cond-mat
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ph