Opuscula Math. 35, no. 5 (2015), 665-688
http://dx.doi.org/10.7494/OpMath.2015.35.5.665

 
Opuscula Mathematica

Katz's middle convolution and Yokoyama's extending operation

Toshio Oshima

Abstract. We give a concrete relation between Katz's middle convolution and Yokoyama's extension and show the equivalence of both algorithms using these operations for the reduction of Fuchsian systems on the Riemann sphere.

Keywords: Fuchsian systems, middle convolution.

Mathematics Subject Classification: 34M35, 34M40, 34M15.

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  • Toshio Oshima
  • Josai University, Faculty of Science, 2-3-20, Hirakawacho, Chiyodaku, Tokyo 102-0093, Japan
  • Received: 2014-02-28.
  • Revised: 2014-12-06.
  • Accepted: 2015-01-17.
Opuscula Mathematica - cover

Cite this article as:
Toshio Oshima, Katz's middle convolution and Yokoyama's extending operation, Opuscula Math. 35, no. 5 (2015), 665-688, http://dx.doi.org/10.7494/OpMath.2015.35.5.665

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