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This paper presents a simple new technique to improve the order behavior of Runge-Kutta methods when applied to index 2 differential-algebraic equations. It is then shown how this can be incorporated into a more efficient version of the code radau5 developed by E. Hairer and G. Wanner.

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This interview with the author Leïla Sebbar (1941) aims at taking a retrospective look wreading, writing and publishing. During this interview, relevant themes to Leïla Sebbar appearith her, analyzing the conditions of her « coming to writing » as Hélène Cixous put it. The interview deals with varied aspects of the writing process revolving around three main axes: reading, writing and publishing. During this interview, relevant themes to Leïla Sebbar appear alone or together, and that of tirelessly pursuing very original and special work.