I have subscribed to Terence Tao’s blog.
His latest post is about a clever observation about…calculus: in particular is is about calculating:
for . Try this yourself and surf to his post to see the “slick, 3 line proof”.
But that really isn’t the point of this post.
This is the point: I often delight in finding something “fun” and “new to me” about an established area. I thought “well, that is because I am too dumb to do the really hard stuff.” (Yes, I’ve published, but my results are not Annals of Mathematics caliber stuff. 🙂 )
But I see that even the smartest, most accomplished among us can delight in the fun, simple things.
That makes me feel better.
Side note: I haven’t published much on this blog lately, mostly because I’ve been busy updating this one. It is a blog giving notes for my undergraduate topology class. That class was time consuming, but I had the teaching time of my life. I hope that my students enjoyed it too.