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An example of a database state in the lextensive category of finite sets, for the EA sketch of our school data specification is provided by any database which models the

The edges terminating in a correspond to the generators, i.e., the south-west cor- ners of the respective Ferrers diagram, whereas the edges originating in a correspond to the

A NOTE ON SUMS OF POWERS WHICH HAVE A FIXED NUMBER OF PRIME FACTORS.. RAFAEL JAKIMCZUK D EPARTMENT OF

H ernández , Positive and free boundary solutions to singular nonlinear elliptic problems with absorption; An overview and open problems, in: Proceedings of the Variational

Keywords: Convex order ; Fréchet distribution ; Median ; Mittag-Leffler distribution ; Mittag- Leffler function ; Stable distribution ; Stochastic order.. AMS MSC 2010: Primary 60E05

A lemma of considerable generality is proved from which one can obtain inequali- ties of Popoviciu’s type involving norms in a Banach space and Gram determinants.. Key words

In Section 3, we show that the clique- width is unbounded in any superfactorial class of graphs, and in Section 4, we prove that the clique-width is bounded in any hereditary

Inside this class, we identify a new subclass of Liouvillian integrable systems, under suitable conditions such Liouvillian integrable systems can have at most one limit cycle, and