Three of my favorite sites for learning new things. https://t.co/ZSDwmPQeU0: math and physics courses on the go. https://t.co/7gQB2ME3K2: challenging programming problems with numerical answers. https://t.co/IbAnb0X3P6: interactive learning of new programming languages.

math you should learn if you like fun math and elegant proofs (will also help in applying DL concepts) - discrete math (sets, groups, fields, graphs) - automata theory (esp. cellular automaton) - algebraic topology (esp. sheaf theory and manifolds) - algebraic geometry... See more