Slide 1
Slide 2
Photo by photographer
Slide 4 $$ \langle k_1 \otimes ... \otimes k_m|j_1 \otimes ... \otimes j_m\rangle_{\mathbb{H}_1 \otimes ... \otimes \mathbb{H}_m} =\\ = \langle k_1|j_1\rangle_{\mathbb{H}_1} ... \langle k_m|j_m\rangle_{\mathbb{H}_m} $$