Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evidences for Skeletal Structures in the Ocean from the Images Analyzed
  by Multilevel Dynamical Contrasting Method   An analysis of databases of photographic images of ocean's surface, taken
from various altitudes and for various types of rough ocean surface, revealed
the presence of an ocean's skeletal structures (OSS), which exhibit a tendency
toward self-similarity of structuring at various length scales (i.e., within
various "generations"). The topology of OSS appears to be identical to that of
skeletal structures (SS) which have been formerly found in a wide range of
length scales, media and for various phenomena. The typical OSS consists of
separate identical blocks which are linked together to form a network. Two
types of such blocks are found: (i) coaxial tubular (CT) structures with
internal radial bonds, and (ii) cartwheel-like (CW) structures, located either
on an axle or in the edge of CT block. The OSSs differ from the formerly found
SSs only by the fact that OSS, in their interior, are filled in with closely
packed OSSs of a smaller size (i.e. OSSs of former "generations"). We specially
discuss the phenomenon of skeletal blocks in the form of
vertically/horizontally oriented floating cylinders (VFC/HFC). The size of
these blocks is shown to grow with increasing rough water.

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The categories of this paper are: hep-ph
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: math
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The categories of this paper are: dg-ga
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The categories of this paper are: eess
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The categories of this paper are: mtrl-th
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: comp-gas
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The categories of this paper are: funct-an
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: patt-sol