Covering Cycle Matroid

Figure 3

Graphs induced by 𝐾₁∪𝐾₂, 𝐾₃, and 𝐾₄∪𝐾₅, respectively.

(a) 𝐺_{𝐾1∪𝐾2}

(b) 𝐺_𝐾3

(c) 𝐺_{𝐾4∪𝐾5}