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From: Osher Doctorow on 8 Jul 2010 01:57
From Osher Doctorow

The least Bureaucractic and most Inventive departments that contribute
to arXiv and Front for the Mathematics ArXiv include the Astrophysics/
Cosmology Departments or sub-departments of Physics, in my opinion
based on many papers in those online sites.

From the last few subsections of this thread, a "search principle"
seems indicated:

1) ArXiv Search Principle: Search for equations of form y = 2x + z or
y = 2x + k, z, x, y variable, k constant.

While I will not discuss the paper mentioned below in detail now, it
has many equations of the form of the ArXiv Search Principle:

2) Kinney, William H., and Dizgah, Azadeh Moradi Nezhad, U. Buffalo
SUNY Buffalo New York USA, "Flow in Cyclic Cosmology", arXiv:
2007.0753 v1 [astro-ph.CO] 5 Jul 2010, 14 pages, 2 columns per page.

They study and find similarities and relationships between the
Ekpyrotic and Cyclic models of Cosmology by using known dualities
between expanding and contracting Cosmologies, developing dual of the
inflationary flow hierarchy and establishing invariance under the
duality and its implications for similar equations applying to the two
types of models of Cosmology.

Variables in the paper include the scalar field, the gauge-independent
curvature perturbation in the the comoving gauge, the equation of
state parameter w, the Bardeen or Newtonian Potential related
closelyto the CMB perturbations, the Hubble constant H and its
derivative and second derivatives, derivatives with respect to the
scalar field, derivatives with respect to conformal time, etc.

Osher Doctorow
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