โ Scribed by L. A. Dikii
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๐ SIMILAR VOLUMES
Dordan, O., Mathematical problems arising in qualitative simulation of a differential equation, Artificial Intelligence 55 (1992) 61-86. Kuiper's QSIM algorithm is an expert system which studies the qualitative evolution of a differential inclusion. This paper addresses several issues raised by QSI
We consider a special class of mathematical programs that are encountered in certain design problems. The general form of these problems is Min f(x) + cry s.t. gi(x) <~ O, Dy <<. x <~ Ey, y >>. O, where D and E are diagonal matrices. We suggest an alternative formulation in which the constraints Dy
In this paper we study a system of nonlinear elliptic equations, known as the ``vortex equations'' in 2 dimensions, arising from the field-theoretical descriptions of several models in physics. When the underlying space is a closed surface, we prove the existence and uniqueness of a solution under a