계수가 있는 호모토피 그룹

In topology, a branch of mathematics, for $i\geq 2$ , the i-th homotopy group with coefficients in an abelian group G of a based space X is the pointed set of homotopy classes of based maps from the Moore space of type $(G,i)$ to X, and is denoted by ${\displaystyle \$ $pi$ $i\geq 3$ ${i}(X;G$ ^[1] $i\geq 3$ $i\geq 3$ 3 ${\displaystyle i\geq$ 3 $}$ 의 경우, $i\geq 3$ $\pi _{i}(X;G)$ $\pi _{i}(X;G)$ ( $\pi _{i}(X;G)$ ) ${\displaysty \pi _{i}(X;G)}$ 는 그룹이다 $\pi _{i}(X;G)$ .그룹 $\pi _{i}(X;\mathbb {Z} )$ $\pi _{i}(X;\mathbb {Z} )$ ( $\pi _{i}(X;\mathbb {Z} )$ ; $\pi _{i}(X;\mathbb {Z} )$ ) $\pi _{i}(X;\mathb {Z$ )는 X의 일반적인 호모토피 그룹이다 $\pi _{i}(X;\mathbb {Z} )$ .