Communities and Collections

Posts

Post has attachment

Public

In math, we often identify a map with its image:

∙a sequence is really a function

∙a path is really a cts map

∙a vector field is really a section of the tangent bundle

and in category theory a diagram is really a functor! Here's the latest in the blog's (co)limit mini-series!

∙a sequence is really a function

∙a path is really a cts map

∙a vector field is really a section of the tangent bundle

and in category theory a diagram is really a functor! Here's the latest in the blog's (co)limit mini-series!

Add a comment...

Post has attachment

Public

Add a comment...

Post has attachment

Public

All this talk of multiplying non-numbers on PBS Infinite Series prompted a new blog post: We can multiply shapes, too!

Shown below is the multiplication table for a point, line, circle and square:

Shown below is the multiplication table for a point, line, circle and square:

Add a comment...

Post has attachment

Public

Hi everyone! Here's a bit of exciting news: As of today, I'll be extending my mathematical voice from the blogosphere to the videosphere! In addition to Math3ma, you can now find me over at PBS Infinite Series, a YouTube channel dedicated to the wonderful world of mathematics.

Add a comment...

Post has attachment

Post has attachment

Post has attachment

Public

What in the world is a "commutative diagram"?! The answer might be simpler than you think!

Add a comment...

Post has attachment

Public

PSA: Speed is

**not**equivalent to mathematical ability.Add a comment...

Post has attachment

Post has attachment

Public

Add a comment...

Wait while more posts are being loaded