While this post limits itself to basic mathematics, the notations in group theory and advanced linear algebra JUST DON'T MAKE SENSE. Please read the "Brakerski

While this post limits itself to basic mathematics, the notations in group theory and advanced linear algebra JUST DON'T MAKE SENSE. Please read the "Brakerski’s Homomorphic Cryptosystem", section 3.3, of this ( https://eprint.iacr.org/2015/137.pdf https://eprint.iacr.org/2015/137.pdf ) paper. I had to read it 10 times to truly understand what the notation was trying to say! Fail.