Submitted on: 15 October 2017.
Revised on: 24 December 2017.
Accepted on: 15 February 2018.
___________________Algorithmic Finance---IOS PRESS
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Submitted on: 04 March 2003.
Revised on: 21 June 2003.
Accepted on: 03 August 2003.
___________________Algorithmic Finance---IOS PRESS
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Submitted on: 30 October 2008.
Revised on: 15 February 2009.
Accepted on: 03 March 2009.
___________________Algorithmic Finance---IOS PRESS
Submitted on: 06 July 2020.
Revised on: 13 September 2020.
Accepted on: 24 September 2020.
___________________Algorithmic Finance---IOS PRESS
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