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How do conditional moments of stable vectors
depend on the spectral measure?
Renata Cioczek-Georges
Murad S. Taqqu
Abstract:
Let be an -stable random vector with , not necessarily symmetric. Its distribution is characterized by
a finite measure on the unit circle called the spectral
measure. It is known that if satisfies some
integrability condition then the conditional moment
can exist for some values of p greater than . This paper
provides a sufficient condition on
for the existence of the conditional
moment involving the maximal range of possible p's,
namely .