Displaying similar documents to “Erratum to “Tchebotaröv’s extremal problem””

Tchebotaröv’s extremal problem

Promarz Tamrazov (2005)

Open Mathematics

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We give the complete solution of the extremal problem posed by N.G. Tchebotaröv in 20th of the last century, and we establish explicit parametric formulae for the extremals.

Almost Properness of Extremal Mappings

Armen Edigarian, Przemysław Kliś (2009)

Bulletin of the Polish Academy of Sciences. Mathematics

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We give a simple proof of almost properness of any extremal mapping in the sense of Lempert function or in the sense of Kobayashi-Royden pseudometric.

Estimating the extremal index through the tail dependence concept

Marta Ferreira (2015)

Discussiones Mathematicae Probability and Statistics

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The extremal index Θ is an important parameter in extreme value analysis when extending results from independent and identically distributed sequences to stationary ones. A connection between the extremal index and the tail dependence coefficient allows the introduction of new estimators. The proposed ones are easy to compute and we analyze their performance through a simulation study. Comparisons with other existing methods are also presented. Case studies within environment are considered...