Parallel multiplication and powering of polynomials

  • Authors:
  • Carl G. Ponder

  • Affiliations:
  • Computer Science Division, University of California, Berkeley, CA 94720, USA

  • Venue:
  • Journal of Symbolic Computation
  • Year:
  • 1991

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Abstract

This paper examines the most efficient known serial and parallel algorithms for multiplying and powering polynomials. For sparse polynomials the Simp algorithm multiplies using a simple divide and conquer approach, and the NOMC algorithm computes powers using a multinomial expansion. For dense polynomials the FFT multiplies and powers by evaluating polynomials at a set of points, performing pointwise multiplication or powering, and interpolating a polynomial through the results. Practical issues of applying these algorithms in algebraic manipulation systems are discussed.