Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Probing CMB Cold Spot through Local Minkowski Functionals   Both WMAP and PLANCK missions reported the extremely Cold Spot (CS) centered
at Galactic coordinate ($l=209^{\circ}$, $b=-57^{\circ}$) in CMB map. In this
paper, we study the local non-Gaussianity of CS by defining the local Minkowski
functions. We find that the third Minkowski function $\nu_2$ is quite sensitive
to the non-Gaussianity caused by CS. Compared with the random Gaussian
simulations, WMAP CS deviates from Gaussianity at more than 99% confident level
at the scale $R\sim10^{\circ}$. Meanwhile, we find that cosmic texture provides
an excellent explanation for these anomalies related to WMAP CS, which could be
further tested by the future polarization data.

5
The categories of this paper are: gr-qc
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The categories of this paper are: hep-ex
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The categories of this paper are: stat
14
The categories of this paper are: math-ph
13
The categories of this paper are: quant-ph
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
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The categories of this paper are: eess
20
The categories of this paper are: acc-phys
32
The categories of this paper are: atom-ph
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The categories of this paper are: physics
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs