Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An electromagnetic model for biological tissue   This essay is a recapitulation of an earlier Kramers-Kronig analysis of
biological tissue, published in 2010, "Kramers-Kronig analysis of biological
skin". The intent is to both complement and bolster the antecedent analysis by
furnishing supplemental clarification on the electromagnetic model employed and
provide further technical details. Biological tissue is modeled a dielectric
embedded in a conductor, which necessitates using both a quotient and product
subspace to form a complete topological cover space. Discerning a suitable
quotient enables decisive separation of tissue's dielectric behavior from
excess conductivity. The residual dielectric behavior revealed conforms with
expectations based upon electromagnetic theory and those commonly held for
dielectric materials. An appreciation for conflicting experimental absorption
measurements spanning the optical spectrum, reported for biological skin,
engenders conceptualizing a damage dependent attenuation coefficient. Lastly,
descriptive codes are provided for numerical algorithms implemented in the
original analysis.

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The categories of this paper are: nucl-ex
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The categories of this paper are: supr-con
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The categories of this paper are: dg-ga
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The categories of this paper are: astro-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: bayes-an
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The categories of this paper are: ao-sci
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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
0
The categories of this paper are: hep-ph
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The categories of this paper are: stat
30
The categories of this paper are: q-alg
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: adap-org