In the end, however, his art has even simpler roots.

A line joining two simple roots indicates that they are at an angle of 120 to each other.

The root system with 2 simple roots at a (120 degree) angle.

Also, a weight is said to be dominant if for all simple roots .

His popularity also rests on two personal factors: a reputation for honesty, and simple roots.

The species name refers to the simple (not branched) root.

I think it's a pretty simple root in life.

This is equivalent to the choice of a set of simple roots.

Assume that a set of simple roots in is chosen.

Any choice of 8 simple roots gives a basis for Γ.