User talk:Mark viking

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February 2014[edit]

March 2014[edit]

Seven states of randomness[edit]

See if the article is easier to understand now. Perhaps latter I will add a more technical explanation of what Mandelbrot had in mind.Lbertolotti (talk) 00:21, 14 October 2014 (UTC)

Hi Lbertolotti - I think you have done a good job of giving the context of financial risk analysis and management for the seven states of randomness, to help establish why these ideas are important. But I'm not sure if the definition of a quant or its relation to a financial engineer is directly relevant to the subject, other than to say that these are the sorts of people who think about types randomness in their models. Regards, --Mark viking (talk) 03:13, 14 October 2014 (UTC)

Well, risk management has been done for a long time without using math. Financial engineer practice is what is directly affected by Mandelbrot's work.Lbertolotti (talk) 13:10, 14 October 2014 (UTC)

Diastolic higher than sistolic[edit]

Hello Mark, You answer me on reference desk "This can happen when Intra-aortic balloon pumps are used, but that is a specialized case of an external pump out of phase with the heart." Can you explain me why in this case it can be- please? I thank you deeply213.57.99.239 (talk) 16:22, 23 November 2014 (UTC)