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Random sets. A survey of results and applications
A survey of current directions in the theory of random closed sets is presented; these include: the central limit theorem, the law of large numbers...
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Group Actions on Non-Archimedean Trees
Let Λ be a (totally) ordered abelian group. Let X be a Λ-tree, as defined in [MS1] (see also [AB] for various equivalent definitions). Let Γ be a... -
On Pisier Type Problems and Results (Combinatorial Applications to Number Theory)
Several number theoretical results are (sometimes a bit surprisingly) consequences of purely combinatorial statements. In this paper we deal with... -
A nonautonomous model of population growth
With x = population size, the nonautonomous equation x = xf(t,x) provides a very general description of population growth in which any of the many...
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Basic concepts from graph theory
Both in mathematics and in its applications, one frequently considers certain pairs of elements of a set. Then it is quite natural to draw the... -
NC-algorithms for graphs with small treewidth
In this paper we give a parallel algorithm for recognizing graphs with treewidth ≤ k, for constant k, and building the corresponding... -
H. S. M. Coxeter
Für die meisten professionellen Mathematiker bedeutet die gelegentliche Beschäftigung mit mathematischen Spielereien ungefähr das Gleiche wie die... -
Mathematics Curriculum
How may we distinguish good work from bad? How can we devise critical standards for evaluating Mathematics Education in its environment. I shall... -
Cost-minimal trees in directed acyclic graphs
A number of examples are given where one seeks a minimal-cost tree to span a given subset of the nodes of a connected, directed, acyclic graph (we...
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The enumeration of minimal phylograms
We consider the problem of finding a minimal tree to a set of nodes (of species represented by d characters) in a space of d -dimensions subject to the...
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H.S.M. Coxeter
Für die meisten professionellen Mathematiker bedeutet die gelegentliche Beschäftigung mit mathematischen Spieiereien ungefähr das Gleiche wie die...