... Schrijver, Theory of Linear and Integer Programming, Wiley, New York, 1986 [86] H Schwandt, Schnelle fast global konvergente Verfahren fur die Funf-Punkte-Diskretisierung der Poissongleichung mit ... realization on digital computers was thoroughfully investigated by U Kulisch and his group Already in the 1960s, an ALGOL extension was created and G Alefeld, G Mayer / Journal of Computational and Applied ... viewing intervals as extensions of real or complex numbers, by introducing interval functions and interval arithmetics and by applying appropriate ÿxed point theorems In addition thoroughful and...