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STS517 Zaoli C. et al.

                                        (1)
                                                 ()
                             ℤ
                                                                          
                       ℤ
                  on(ℤ , ℬ(ℤ )) :  =  1  × .  ×      for  = ( , … ,  ) ∈ ℕ ,for where for  =
                                                                          
                                                              1
                                                                    
                                  
                  1, … ,  and n ≥ 0,
                                              −
                  (2.9)          (∙) = ( )   (∙ ∩ {x ∈ ℤ :  = 0 for some 0 ≤  ≤ }).
                                          ()
                                 ()
                                                            ℤ
                                                 
                                          
                                                               
                                 
                      The restriction of the stationary SαS random field X in (2.5) to the
                  hypercube [0,n] admits, in law, the series representation


                        d
                  with A = A×·×A the direct product of d copies of A and A is in (2.6), where the
                  constant Cα is the tail constant of the α-stable random variable:

                  Furthermore,{ } is a iid sequence of Rademacher random variables, {Γ } is the
                                
                                                                                     
                  sequence of the arrival times of a unit rate Poisson process on (0, ∞), and
                  { } are iid -valued random elements with common law  . The sequence
                                                                             
                    ,
                  { },{Γ }  and { } are independent. See Samorodnitsky and Taqqu (1994) for
                                 ,
                        
                    
                  details.

                  References
                  1.  J. Aaronson (1997): An Introduction to Infinite Ergodic Theory, volume 50
                      of Mathematical Surveys and Monographs. American Mathematical
                      Society, Providence.
                  2.  Chakrabarty and P. Roy (2013): Group theoretic dimension of stationary
                      symmetric α-stable random fields. Journal of Theoretical Probability
                      26:240–258.
                  3.  S. Coles (2001): An Introduction to Statistical Modeling of Extreme
                      Values. Springer, New York.
                  4.  L. de Haan and A. Ferreira (2006): Extreme Value Theory: An
                      Introduction. Springer, New York.
                  5.  R. A. Fisher and L. Tippett (1928): Limiting forms of the frequency
                      distributions of the largest or smallest member of a sample. Proceedings
                      of Cambridge Philisophical Society 24:180–190.
                  6.  Gnedenko (1943): Sur la distribution limite du terme maximum d’une serie
                      aleatoire. Annals of Mathematics 44:423–453.
                  7.  Lacaux and G. Samorodnitsky (2016): Time-changed extremal process as
                      a random sup measure. Bernoulli 22:1979–2000.







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