Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Kodaira energy and adjoint reduction of polarized threefolds   Here we study and classify polarized threefolds whose Kodaira energies are
less than -1/2. The Kodaira energy of a polarized manifold (M, L), a pair
consisting of a smooth complex algebraic variety M and an ample line bundle L
on it, is defined to be $-\Inf{t\in Q\vert \kappa(K+tL)\ge0}$, where K is the
canonical bundle of M and $\kappa$ denotes the Iitaka dimension of a Q-bundle.
The method is a variant of those in my paper; manuscripta math. 76(1992).

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The categories of this paper are: physics
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The categories of this paper are: comp-gas
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The categories of this paper are: atom-ph
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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: cmp-lg
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The categories of this paper are: quant-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: chao-dyn
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The categories of this paper are: chem-ph
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The categories of this paper are: supr-con
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The categories of this paper are: eess
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The categories of this paper are: hep-ex
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The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int