As a practical example, researchers have collected data from the developing retina of 13 mice at different ages 5. Ideally, the embedding of such data should reveal a fluent trajectory of how ...

Of all the endless questions children and mathematicians have asked about infinity, one of the biggest has to do with its size. Whether it’s on the playground or at bedtime, children encounter the ...

I’m seeking an explicit vector field with exactly 24 zeros, each of index 1, on a K3 surface. This sounds sort of dry and boring, but it’s not! Let me explain. This post will start out with some ...

Then K K is the category of substructures of a countable structure M M which is universal and homogeneous. Examples include the Rado graph as the Fraïssé limit of the category of finite graphs and ...