Approximation of Weak Convergence
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R. Lowen
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Article
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2009
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John Wiley and Sons
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English
โ 538 KB
Math. Nachr. 160 (1993) ## 2. Preliminaries We first recall abstract concepts required in the sequel, [5], [7], [8], [9]. Let X be a set, P:= [0, co] and IP\* :=lo, co[. A map 6 : X x 2' + IP is called a distance if it fulfils: AUB)=6(x, A)A6(x, B)