منابع مشابه
Thresholds and Expectation Thresholds
(See e.g. [2], [6] or [18]. Of course p0(n) is not quite unique, but following common practice we will often say “the” threshold when we should really say “a.”) It follows from [8] that every {Fn} has a threshold, and that in fact (see e.g. [18, Proposition 1.23 and Theorem 1.24]) p0(n) := pc(Fn) is a threshold for {Fn}. So the quantity pc conveniently captures threshold behavior, in particular...
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Abstract Extended Oligopoly models will be introduced and examined in which the firms might face capacity limits, thresholds for minimal and maximal moves, and antitrust thresholds in the case of partial cooperation. Similar situation occurs when there is an additional cost of output adjustment, which is discontinuous at zero due to set-up costs. In these cases the payoff functions of the...
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Many diseases resulting from exposure to foreign chemicals are delayed in their onset and, to some extent at least, are irreversible. That is, if the chemical is removed, the disease continues to progress , or at least not regress. Typical are the diseases called cancer. Mutagenic effects, well documented in laboratory animals but extremely difficult to document in the human population, also fi...
متن کاملSharp Thresholds
The Kolmogorov Zero-One law states that for tail events on infinite-dimensional probability spaces, the probability must be either zero or one. Behavior analogous in a natural sense to this exists on finite-dimensional spaces as well. Events exhibiting this behavior are said to have a sharp threshold. Let Qn = {0, 1}n be the discrete hypercube with the probability measure Pp defined by Pp(ω1, ω...
متن کاملThresholds and Expectation-Thresholds of Monotone Properties with Small Minterms
Let N be a finite set, let p ∈ (0, 1), and let Np denote a random binomial subset of N where every element of N is taken to belong to the subset independently with probability p. This defines a product measure μp on the power set of N , where μp(A) := Pr[Np ∈ A] for A ⊆ 2N . In this paper we study monotone (upward-closed) families A for which all minimal sets in A have size at most k, for some ...
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ژورنال
عنوان ژورنال: The Iowa Review
سال: 1999
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.5089