Permutation City: Amazon.ca: Books

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Book Description

The story of a man with a vision - immortality : for those who can afford it is found in cyberspace. Permutation city is the tale of a man with a vision - how to create immortality - and how that vision becomes something way beyond his control. Encompassing the lives and struggles of an artificial life junkie desperate to save her dying mother, a billionaire banker scarred by a terrible crime, the lovers for whom, in their timeless virtual world, love is not enough - and much more - Permutation city is filled with the sense of wonder.

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L'avis des consommateurs

29 �valuations

5 �toiles:		(14)
4 �toiles:		(7)
3 �toiles:		(4)
2 �toiles:		(3)
1 �toiles:		(1)

�valuation du client type

4.0�toiles sur 5 (29 �valuations de client)

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Commentaires client les plus utiles

5.0�toiles sur 5 Shockingly Good, Mai 8 2002

Par	Justin "E" (Seattle, WA USA) - Voir tous mes commentaires

This is perhaps the finest work of Computer Science based Science Fiction ever written. The most stunning thing here is that Greg Egan actually knows what he's talking about, and isn't afraid to stick to it, in exactly the way that so many "cyber" writers... don't. He actually understands recursion and virtualization, not just throwing words out to sound cool. He doesn't retreat into literary silliness or ridiculous anthropomorphic characterization in a feeble attempt to be some sort of artsy novelist. He keeps it believable, and extremely good.

This is the book I would have written, if I had time (and ability!) to write a novel about recursion and artificial life.

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5.0�toiles sur 5 Mind Boggling, Janv. 25 2002

Par	Christopher Palmer "CMPalmer" (Huntsville, AL USA) - Voir tous mes commentaires (REAL NAME)

I'd have to rate this book as one of my all-time favorite SF books. I still freak out a bit if I think too hard about his dust hypothesis.

The best thing about this book is that I read it soon after I had read "The Minds I", a collection of essays about AI and human consciousnes. I suspect that Egan has read the same book, since many of the concepts of Permutation City are based on the thought experiements in The Minds I. This is not to say that Egan's book is not original, as the title suggests, the book is a riff or fugue on a number of concepts related to identity and consciousness.

Most of his wild extrapolations follow perfect logic if you accept the basic premise that a conscious software entity can be created. The idea that, if such an entity exists, maintaining the software state while shutting down the program, then restarting it later from the same state would be experienced by the entity as instantaneous, then following that a succession of these saved states in any chronological order should be perceived as the same experience is mind bending.

Amazon should bundle Permutation City and The Mind's I (and maybe Goedel, Escher, Bach) -- they make a great matched set.

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5.0�toiles sur 5 Egan's cusp book, Janv. 4 2002

Par	Gordon Rios (Palo Alto, CA United States) - Voir tous mes commentaires

One of his last books that maintains some accessibility and entertainment value to balance off his increasingly abstract theses. After this, his books are quite difficult but this one is a lot of fun -- especially for CS people. Be warned however that it's definitely *hard* sf....

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Commentaires client les plus r�cents

4.0�toiles sur 5 Are you sure this is reality?
An excelent book. What would happen if you could be downloaded to a mainframe? And if your virtual self creates a virtual world that in time creates self consciounness?. Read more

Publi� le Janv. 4 2002 par Juan Mikalef

1.0�toiles sur 5 fascinating subject matter in a boring book.
The author has managed to make a fascinating subject somehow seem boring and predictable. At least that is what I thought of the characters and plot of this book. Read more

Publi� le Ao� 19 2001 par richard gibble

4.0�toiles sur 5 Highly thought provoking solid philosophical themes
The concept of mind uploading has been a common theme in fiction and science fiction for years. The concept of personality transferal and immortality has captivated mankind for... Read more

Publi� le Janv. 17 2001 par altomic

5.0�toiles sur 5 Upload your Mind!
Mobius Dick writes songs about mind uploading, but not many people have successfully written books about it. Egan has, and this one is excellent. Read more

Publi� le D�c 23 2000 par Glenn H. Reynolds

4.0�toiles sur 5 Seemingly endless details, but still good...

Permutation City is a notable cyberpunk novel by Greg Egan, which is worth giving a try if you fancy this genre of literature. Read more

Publi� le D�c 4 2000 par krazen

3.0�toiles sur 5 issues to think about

Greg Egan's Permutation City is a novel centered around computer "copies" of human beings. Egan takes these characters on quite an interesting journey. Read more

Publi� le D�c 4 2000 par Angela Hemme

3.0�toiles sur 5 Permutation City
Greg Egan must have an incredible amount of intelligence when it comes to technology. Either that, or he has a masterful imagination. Read more

Publi� le D�c 4 2000 par tdwave

4.0�toiles sur 5 Highly recommended look at brain sims and artificial life
Greg Egan is one of the most inventive and exciting current SF writers. His SF is distinctly "hard", rife with "cutting edge" speculations, and also... Read more

Publi� le Sep 6 2000 par Richard R. Horton

2.0�toiles sur 5 Too much technical detail, too little plot
There are a lot of interesting ideas in this book, but unfortunately none are fully developed. There is very little plot and the characters, who were difficult to tell apart, are... Read more

Publi� le Juil 24 2000 par sbtier

3.0�toiles sur 5 I AM STILL MIDWAY...
I haven't really finished the book & I find it very tempting to simply give up, close the pages & stuff the book in my shelf. Read more

Publi� le Juil 3 2000 par juj