Please send me your favorite diagrams made by crazy people- I'm making a collection (cc @GENICON, @sarahdoingthing)pic.twitter.com/zxYJ6vSxjx
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
tag urself i'm Lorentz group
The arrows don't appear to have a consistent meaning. Also, measurable spaces aren't metric spaces.
Also, I've never heard of double fields and triple fields, and my google-fu is failing me.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.