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Research Report SRR02-007

Scanning a lattice for a particular pattern

J. Gani

Abstract: This note applies some known work on patterns in sequences of random events to the case where these occur a lattice. The lattice model is simplified to its barest essentials to allow some analytic results to be derived. It is shown in a special case that the expected time until the occurrence of a particular pattern, and the standard deviation of this time are close in value, so that the pattern may arise rapidly or after a long time. Finally the possibility of coding errors in the sequence is examined.

Primary AMS Classification: 60J10
Date: 29 July 2002

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