Due to the Cappelli-Itzykson-Zuber classification, the minimal conformally invariant quantum field theories withSU(2) currents are classified by the ADE Lie algebras. Here I give a conceptual proof of ...

Due to a planned power outage on Friday, 1/14, between 8am-1pm PST, some services may be impacted. A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying ...

If you need free learning material for your child, please feel free to download Class-Mate or visit the preview site. It is completely free and includes: Textbooks ...

Math is central to our lives and learning, but for many, it’s not their strong suit. If that’s the case, try Math Solver to help you solve equations and study hard-to-grasp mathematical concepts. You ...

Throughout the pandemic, data from testing has shown that students are struggling in math, making less progress than they might have in other years. Teachers, too, have said that routines core to ...