I am a mathematician that loves shopping..in my university fashion is not considered :)
My favourite shops are Stradivarius, Tally Weijl, Jennifer, Pimkie, Zara, H&M, Motivi, Brandy Melville..
I can find everyone in Turin!
In particular I love Stradivarius for trousers and Tally Weiijl for tops and dresses. Zara for the shoes, Golden Point for swimsuit, Accessorize for accessories =D