## A Conversation for Peer Review

### A87909835 - Maryam Mirzakhani - Mathematician

SashaQ - happysad - Editor Started conversation Last Week

Entry: Maryam Mirzakhani - Mathematician - A87909835

Author: SashaQ - happysad - Editor - U9936370

Here is an Entry about an inspirational mathematician.

### A87909835 - Maryam Mirzakhani - Mathematician

Florida Sailor Getting Ready to Visit Havana, Cuba Posted Last Week

Very interesting

Just a couple questions or comments;

Could you add a footnote for 'pure mathematics'? I have been bound by practical mathematics all my life. I am sure this could be a great Guide Entry on its own, I would like to see a sentence or two here for a definition.

I would also like to see a bit more about her death, one of the things that made me want to read your Entry was to find out why she had passed at such a young age. Although breast cancer is a terrible disease it is seldom fatal in the 21st century USA. Is there a little more to the story, such as a late diagnosis?

Well done, thank you for sharing her story

F S

### A87909835 - Maryam Mirzakhani - Mathematician

SashaQ - happysad - Editor Posted Last Week

Thanks for reading FS

I put 'Pure Mathematics' in inverted commas as it is part of the name of the prize Maryam received. I can't define pure maths vs applied maths myself as it is a bit of an artificial distinction these days when all research has to have applications... I hope that helps, anyway

I investigated further about her illness - seems it was just too aggressive and didn't respond well enough to treatment so she succumbed...

### A87909835 - Maryam Mirzakhani - Mathematician

Gnomon - time to move on Posted 6 Days Ago

This is an interesting entry, SashaQ.

The only part of it I didn't understand was your attempt to explain what a hyperbolic surface is. I couldn't see how two doughnuts would have negative curvature. Isn't negative curvature what you get at the centre of a 'saddle'? But I can't see how a surface would have constant negative curvature at every point.

In the Collatz Conjecture entry, I put this about the distinction between pure and applied maths:

Pure vs Applied Mathematics

The 3n+1 conjecture is an example of pure mathematics. It has no known application. There may well be an application out there waiting to be discovered but that is not the reason mathematicians pursue such problems. In the words of one Researcher:

Some very interesting and useful mathematics can often be invented (or is it discovered?) while working on 'useless' problems. Of course, that's not the motivation for those who dedicate years of their lives to proving such conjectures, as I have. We know that we are looking directly at faces of the mind of God that man has never seen before, and that's enough to justify our lives, and hopefully to keep us away from the bottle for a while...

The Researcher who said those words was GTBacchus.

### A87909835 - Maryam Mirzakhani - Mathematician

SashaQ - happysad - Editor Posted 6 Days Ago

Thanks for reading Gnomon

Good point about the hyperbolic surface section - I got taken in by the picture of a doughnut with two holes appearing to illustrate two different concepts at the same time...

I have rephrased it and included an appropriate example - I hope that helps.

### A87909835 - Maryam Mirzakhani - Mathematician

Gnomon - time to move on Posted 5 Days Ago

Your coral example is good, but you'd be better linking to one of the pages within that site that specifically talks about hyperbolic surfaces:

http://crochetcoralreef.org/about/hyperbolic_space.php

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### A87909835 - Maryam Mirzakhani - Mathematician

- 1: SashaQ - happysad - Editor (Last Week)
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- 4: Gnomon - time to move on (6 Days Ago)
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