Lecture 33 - Group actions

[@dr.rajenderkumar5290]

Clear explanation and excellent way of teaching..... thank you sir

[@manishakumari-if5ip]

Explained very nicely 👍

[@raunitsingh676]

by far the best nptel course

[@debarshichakraborty459]

Nice explanation

[@sandeepjaiswal7505]

Nice explanation sir thanks for help us

[@murielfang755]

crystal clear, thank you

[@rupanigam5858]

Thanks sir

[@moeniac7027]

Thank you sir

[@REKHASHARMA14]

Thanks

[@ruchimishra8775]

Pranam sir and thank you so much

[@vibhamaurya7970]

Please Recommend book for abstract group theory

[@Mr.Alvin_Rocks]

1. Abstract Algebra - Dummit Foote (intermediate) 2. Basic Abstract Algebra - Bhattacharya , Jain (Intermediate) 3. Contemporary Abstract Algebra - Joseph Gallian (Hard) 4 course in abstract algebra - bhambhri , Khanna (Easy) 5. Algebra - Lang (God Level)

[@vibhamaurya7970]

@@Mr.Alvin_Rocks Thanks 😊

[@BashirAhmad-rz1ex]

At 14:48 sigma.1=4. How?????

[@rupanigam5858]

Permutation sigma me 1 ka image 4 hai

[@ifandonlyif2628]

@@rupanigam5858 bro I need some help.. would you like to help me out?

[@dwishajangid4624]

Good morning sir

[@allrounderpivot1714]

r1.A= B How???

[@jeshudastidar]

Hi, it's because r_1 is the rotation by 120° anti-clockwise. So r_1 rotates the triangle by 120° anti-clockwise, which sends the vertex A to the vertex B.

[@lonelyburger9069]

@@jeshudastidar yupp