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Archived: 07 Aug 2014, 09:41
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Typos in the 2007 Vintage Paperback edition
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Lemaitre
Joined: 19 Mar 2008, 13:44 Posts: 9 Location: Beirut, Lebanon
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 Typos in the 2007 Vintage Paperback edition
The following typos were found in the 2007 paperback:
Page 138-Line 20 : "unambiguously" Page 222- Fig.12.5 Line 4 : "Hausdorff" Page 234- Mobius: the "o" needs an "umlaut" Page 281- Parag.13.9-Line 16:the[2,0] tensor should be a [0,2] tensor. Page 360- Line 20: The famous error noted by fallingup as "error in section 16.2" Page 360 -Line 22 : the indices of the a's should be lower indices. Page 361- Fig. 16.2 :"Finite-Geometry versions of the theorems of Fig 15.14", instead of 5.14. Page 1090- "Friedmann- Lamaitre-Robertson-Walker"should be Lemaitre(of course!). Same page- "Gross, David 679" is misplaced and should be deleted.
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03 Apr 2008, 06:06 |
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nkbj
Joined: 16 Jun 2008, 03:19 Posts: 1 Location: Denmark
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 Re: Typos in the 2007 Vintage Paperback edition
Page 1087: "Bohr, Neils" should be "Bohr, Niels".
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16 Jun 2008, 03:21 |
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azz0
Joined: 12 Jul 2008, 00:27 Posts: 1
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 Re: Typos in the 2007 Vintage Paperback edition
Page 97 z = log r + i... should be: log z = log r + i...
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12 Jul 2008, 00:33 |
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vasco
Supporter
Joined: 07 Jun 2008, 08:21 Posts: 235
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 Re: Typos in the 2007 Vintage Paperback edition
azz0 wrote: Page 97 z = log r + i... should be: log z = log r + i... I don't agree with you if you are talking about the page where the full line is  The only way to make this clearer, since Penrose has written  in the previous paragraph, is to write In my 2005 edition this is on page 94 section 5.3
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12 Jul 2008, 08:11 |
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zorba
Joined: 03 Jan 2009, 09:35 Posts: 2
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 Re: Typos in the 2007 Vintage Paperback edition
Page 96, i is missing on both sides of the equation e^(a+b)=(e^a)(e^b)
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04 Jan 2009, 01:15 |
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vasco
Supporter
Joined: 07 Jun 2008, 08:21 Posts: 235
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 Re: Typos in the 2007 Vintage Paperback edition
Are you presenting us with a New Year joke? If not can you explain this in more detail please? It doesn't make sense to me. zorba wrote: Page 96, i is missing on both sides of the equation e^(a+b)=(e^a)(e^b) So what do you think the equation should be when it's corrected?
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04 Jan 2009, 09:03 |
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zorba
Joined: 03 Jan 2009, 09:35 Posts: 2
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 Re: Typos in the 2007 Vintage Paperback edition
vasco wrote: Are you presenting us with a New Year joke? If not can you explain this in more detail please? It doesn't make sense to me. zorba wrote: Page 96, i is missing on both sides of the equation e^(a+b)=(e^a)(e^b) So what do you think the equation should be when it's corrected? Sorry, I did not mean that the equation e^(a+b)=(e^a)(e^b) is wrong per se. What I meant is that if one is going to show those expressions on page 96 using Euler formula then one will include the i in them. e^i(a+b)=(e^ia)(e^ib) cos(a+b)+isin(a+b)=(cosa+isina)(cosb+isinb) The right side of the above equation becomes cosacosb-sinasinb+i[sinacosb+cosasinb] Thus cos(a+b)=cosacosb-sinasinb sin(a+b)=sinacosb+cosasinb
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28 Jun 2009, 22:37 |
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