Questions about images, universal knowledge and visual schemata in Kant's philosophy of mathematics

I am trying to understand what role images play in a Kantian account of cognition, with a particular focus on his examples concerning judgements about mathematics. This is a topic I am still quite confused about, so I thought I would write a blog post which is just a series of open questions I have. Firstly, it's clear that Kant's notion of image 1 is not the same as the one I would naturally use…