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On infinite horizon optimal stopping of general random walk
Author(s) -
Jukka Lempa
Publication year - 2007
Publication title -
mathematical methods of operations research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 48
eISSN - 1432-5217
pISSN - 1432-2994
DOI - 10.1007/s00186-007-0160-2
Subject(s) - optimal stopping , stopping time , random walk , mathematics , sequence (biology) , random variable , optional stopping theorem , stochastic process , bellman equation , mathematical optimization , function (biology) , value (mathematics) , statistics , genetics , evolutionary biology , biology
The objective of this study is to provide an alternative characterization of the optimal value function of a certain Black–Scholes-type optimal stopping problem where the underlying stochastic process is a general random walk, i.e. the process constituted by partial sums of an IID sequence of random variables. Furthermore, the pasting principle of this optimal stopping problem is studied.

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