Large deviations for trajectories of sums of independent random variables |
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Authors: | Paul H Schuette |
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Institution: | (1) Department of Mathematics, Georgia College, 31061 Milledgeville, Georgia |
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Abstract: | Given a sequence of independent, but not necessarily identically distributed random variables,Y
i
, letS
k
denote thekth partial sum. Define a function
by taking
to be the piecewise linear interpolant of the points (k, S
k
), evaluated att, whereS
0=0, andk=0, 1, 2,... Fort 0, 1], let
. The
are called trajectories. With regularity and moment conditions on theY
i
, a large deviation principle is proved for the
. |
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Keywords: | Large deviations trajectories Gä rtner-Ellis theorems random walk |
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