26 citations · 47 across the 5 of their papers we have counts for
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math.CA2008★ 3 cited
Katz's middle convolution and Yokoyama's extending operation
Toshio Oshima
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 Fuchs…
math.CA2008★ 26 cited
Classification of Fuchsian systems and their connection problem
Toshio Oshima
We review the Deligne-Simpson problem, a combinatorial structure of middle convolutions and their relation to a Kac-Moody root system discoverd by Crawley-Boevey. We show with exam…