Timeline for Image of extension ideal classes homomorphism in ideal class group under Artin map in class field theory
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 25, 2020 at 14:03 | comment | added | Franz Lemmermeyer | Harvey Cohn has written repeatedly about transfer maps in class field theory in his books on algebraic number theory and the construction of class fields. | |
| May 27, 2020 at 13:18 | comment | added | A. Maarefparvar | Many thanks for your response.Using the "transfer map", I want to see what happens in $P \subseteq F \subseteq K$ a tower of finite extensions of number fields. Roughly speaking, what is the image of "combination" of transfer maps? | |
| May 27, 2020 at 8:55 | comment | added | David Loeffler | This is known as the "Verlagerung" map (German for "transfer"). It doesn't have a particularly nice description purely on the Galois side. If you google for "class field theory" and "Verlagerung" you'll find plenty of references. | |
| May 27, 2020 at 8:51 | history | edited | David Loeffler | CC BY-SA 4.0 |
tex edit for readability
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| May 27, 2020 at 5:56 | history | asked | A. Maarefparvar | CC BY-SA 4.0 |