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It is suggested by our method that most of the quadratic algebras for all St¨ ackel equivalence classes of 3D second order quantum superintegrable systems on conformally flat

We show that a discrete fixed point theorem of Eilenberg is equivalent to the restriction of the contraction principle to the class of non-Archimedean bounded metric spaces.. We

As the study in the single-valued case has dealt with projected DS, we recall in Section 2 the notion of projected differential inclusion (as in [1]), together with the ba- sic

We have formulated and discussed our main results for scalar equations where the solutions remain of a single sign. This restriction has enabled us to achieve sharp results on

Keywords: continuous time random walk, Brownian motion, collision time, skew Young tableaux, tandem queue.. AMS 2000 Subject Classification: Primary:

By the algorithm in [1] for drawing framed link descriptions of branched covers of Seifert surfaces, a half circle should be drawn in each 1–handle, and then these eight half

The idea of applying (implicit) Runge-Kutta methods to a reformulated form instead of DAEs of standard form was first proposed in [11, 12], and it is shown that the

So far, most spectral and analytic properties mirror of M Z 0 those of periodic Schr¨odinger operators, but there are two important differences: (i) M 0 is not bounded from below