Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Robust SPR Synthesis for Low-Order Polynomial Segments and Interval
  Polynomials   We prove that, for low-order (n < 5) stable polynomial segments or interval
polynomials, there always exists a fixed polynomial such that their ratio is
SPR-invariant, thereby providing a rigorous proof of Anderson's claim on SPR
synthesis for the fourth-order stable interval polynomials. Moreover, the
relationship between SPR synthesis for low-order polynomial segments and SPR
synthesis for low-order interval polynomials is also discussed.

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The categories of this paper are: cs
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The categories of this paper are: math-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: eess
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The categories of this paper are: hep-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: econ
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The categories of this paper are: mtrl-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: nucl-th
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The categories of this paper are: cond-mat
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The categories of this paper are: hep-ex
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The categories of this paper are: acc-phys
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The categories of this paper are: astro-ph
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The categories of this paper are: quant-ph