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I would prefer asking in Differential topology chat room as in the main chat there are many chats going on and also I try to preserve the chats for future use and since the main chats are heavily used and they will be flooded!. may be wrong.

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*) So what are the atlases of the sphere? Till now I have seen 2 atlases?

BAYMAX im0.p.lodz.pl/~kubarski/AnalizaIV/Wyklady/L-Tu-1441973990.pdf

I referred this book for my thesis. :). It is very nice book. How is Kumaresan's book?

my guide asked me to read that. I found it was very difficult for me.

@BAYMAX do you have the pdf copy?

Hi@ManeeshNarayanan

I have just started reading the first page :)

PDF copy is available if you search them as you do for other PDF copies of the book.

I didn't get.