Abstract Algebra - 6.5 Automorphisms

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We finish up chapter 6 by discussion automorphisms and inner automorphisms. An automorphism is just a special isomorphism that maps a group to itself. An inner-automorphism uses conjugation of an element and its inverse to create a mapping.

Video Chapters:
Intro 0:00
What is an Automorphism 0:06
Inner Automorphisms 4:47
The Automorphism Zn is Isomorphic to U(n) 12:29
Up Next 17:03

This playlist follows Gallian text, Contemporary Abstract Algebra, 9e.

  1. Kimberly Brehm
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Комментарии
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Sorry for duplicate question, where can I see that rf means r first then f? I thought it was like composition, i.e. from right to left. If in my class we do the multiplication on the right first, do we need to navigate Cayley diagrams "backwards"?

Mesohornet
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you're really a great math teacher i love your work ....can you please upload more videos on abstract algebra

mbekisean
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More great info. Math teaching done right! 😁

punditgi
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it seems like i couldn't find your discrete math 2 playlist. Would you like to give the link to the playlist? Thank you!

iCrestfalleN
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mam ... where are you ? missing you ...

primefactor