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I m From these short exact sequences, we can deduce the long exact sequences (cf. Giraud [18]) and we can prove the following theorems. 4. Ip_) to H (p ,pr (GL(m,~MIH)) p_) (or to H (p , G L ( m , ~ ) p_) is the neutral element.
L). asymptotic developability. This was a first step to the concept of strongly Moreover, by calculating the Pfaffian systems of the confluent hypergeometric functions of two variables, he pointed out that these systems are not written in the form considered by preceding authors [44]. He started to consider completely integrable linear Ffaffian systems with singular points on normal crossing divisors of general form ) n (i0) where n"jn, m-by-m ~ -- > Xl -pil . . X . -Pin"ei-iAi(x)dx i i=l n , U = 0 Pij~ ~, ei=x i (if i