Real Extreme Points
Definition
Suppose $A \subset \R ^d$. Then $a \in A$ is an extreme point of $A$ if there does not exist points $b, c \in \R ^n$, $b \neq c$ with $a \in [b, c]$.
Notation
We denote the extreme points of $A$ by $\ex(A)$.
Suppose $A \subset \R ^d$. Then $a \in A$ is an extreme point of $A$ if there does not exist points $b, c \in \R ^n$, $b \neq c$ with $a \in [b, c]$.
We denote the extreme points of $A$ by $\ex(A)$.