13 resultados para Probability Metrics
em Bulgarian Digital Mathematics Library at IMI-BAS
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* Research supported by NATO GRANT CRG 900 798 and by Humboldt Award for U.S. Scientists.
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* This work was financially supported by the Russian Foundation for Basic Research, project no. 04-01-00858a.
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* This paper is supported by CICYT (Spain) under Project TIN 2005-08943-C02-01.
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* The work is supported by RFBR, grant 04-01-00858-a
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In the teletraffic engineering of all the telecommunication networks, parameters characterizing the terminal traffic are used. One of the most important of them is the probability of finding the called (B-terminal) busy. This parameter is studied in some of the first and last papers in Teletraffic Theory. We propose a solution in this topic in the case of (virtual) channel systems, such as PSTN and GSM. We propose a detailed conceptual traffic model and, based on it, an analytical macro-state model of the system in stationary state, with: Bernoulli– Poisson–Pascal input flow; repeated calls; limited number of homogeneous terminals; losses due to abandoned and interrupted dialling, blocked and interrupted switching, not available intent terminal, blocked and abandoned ringing and abandoned conversation. Proposed in this paper approach may help in determination of many network traffic characteristics at session level, in performance evaluation of the next generation mobile networks.
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This paper is a survey of results obtained by the authors on the geometry of connections with totally skew-symmetric torsion on the following manifolds: almost complex manifolds with Norden metric, almost contact manifolds with B-metric and almost hypercomplex manifolds with Hermitian and anti-Hermitian metric.
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2000 Mathematics Subject Classification: 60J80
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2002 Mathematics Subject Classification: 60K25.
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2000 Mathematics Subject Classi cation: Primary 90C31. Secondary 62C12, 62P05, 93C41.
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2000 Mathematics Subject Classification: 60J65.
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In this note we discuss upper and lower bound for the ruin probability in an insurance model with very heavy-tailed claims and interarrival times.
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2000 Mathematics Subject Classification: 33C90, 62E99
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2000 Mathematics Subject Classification: 62G07, 62L20.