Cassels and Fröhlich. First printed in , this book has been essential reading for aspiring algebraic number theorists for more than. Solutions to the Cassels-Fröhlich exercises. Dorian Ni. May First of all, many thanks to Kevin Buzzard for his kind help, and for his willingness to answer . Cassels–Froehlich errata. July 18, Consider what God has done: Who can straighten what he has made crooked? Ecclesiastes 1 These errata.

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## Introduction to Algebraic Number Theory

Pageline counting the footnote as This is a delicate one. I think the “action” they define is not an action, and I think the first couple of sentences of section 4 should be:. Pageline In my opinion this is an excellent example of a good community wiki question! Keith Conrad sent me a nice chunky list here. Why is this borderline?

I have a physical copy of the new printing of the book.

### Math Introduction to Algebraic Number Theory

OK, so all the people whom I was almost sure would have comments have now got back to me. After this point I KB will put all the errata we have caught into one file and the LMS will send it to the authors, asking for their approval. Pageline 1: Erratum for Cassels-Froehlich Ask Question.

I’ll post anything I get. MathOverflow works best with JavaScript enabled. Q]and the definitions of f and g should subtracting some stuff.

Here’s one I didn’t see on the list on mathoverflow: I can only assume the LMS is now selling it but have no details. Post as a guest Name. On the other hand these partial lists have definitely been of help to some people, e.

### books – Erratum for Cassels-Froehlich – MathOverflow

I recall also having trouble getting the signs in part 14 of that exercise on cubic reciprocity to work out, perhaps because of the mess of algebra, perhaps because some of the computations depend on frlhlich Ok so it looks like I misjudged this and the community seem happy to have the question here, at least at present.

In my copy of the book, the footnote does not refer to Stalin. Frohlicg up or log in Sign up using Google.

Page 78, first line of display A. The Brauer argument below makes it all moot.

Pageline 3 of section 2. Oesterle frohkich out that the “standard” definition of a co-induced module is Hom Lambda,X with G-action g. Pagefirst line after the first diagram: Page 78, line -8 display A.

Could someone confirm that the following are typos? And here’s one which I spotted: I looked over the thread from last October about the errata database but the database doesn’t seem to contain this book. Pageline 14 the first display: Pagelast line before section 2.

I also emailed some people asking them if they had seen any typos. I happened to notice these misprints this morning: This Proposition is misstated, and the proof has the wrong casseps It’s “borderline when it comes to what I want MO to be” ;- which is just loads of fun precisely-worded questions with precise answers. Sign up using Email and Password. But let me persist with the fronlich of smaller ones” for the time being, because I am still getting emails with non-trivial lists in from different sources and, although I want to put everything together into one pdf file, I don’t really want to do it until I am pretty sure no more is coming in.