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On Equivalent Martingale Measures on Lp-space | ||
| Journal of Al-Qadisiyah for Computer Science and Mathematics | ||
| Article 1, Volume 2, Issue 1, 2010, Pages 1-10 PDF (0 K) | ||
| Authors | ||
| Dr.Boushra Youssif Hussein; ; ; | ||
| Abstract | ||
| We apply the no-arbitrage and no-free lunch definitions of Kreps (1981). Arbitrage is a linear algebraic notion, while free lunch is a topological notion. The notion of free lunch, unlike that of arbitrage, is somewhat ambiguous because it depends on a topological choice that is often tacit, i.e. there is source of problem when we use the topology in our work. Our main point in this paper is that how the choice of a topology which the space are free lunches. We consider a number of topological spaces depending on:(1) not a free lunch. (does not converge).(2) a free lunch (converge to a positive limit).(3) not a free lunch (converge to a non-positive limit). | ||
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