CÂY
Vũ Thương Huyền
huyenvt@tlu.edu.vn
1
BÀI 7
NỘI DUNG
•Các định nghĩa và tính chất
•Các ứng dụng của cây
•Cây khung
•Cây khung nhỏ nhất
Toán rời rạc huyenvt@tlu.edu.vn 2
Toán rời rạc huyenvt@tlu.edu.vn 3
9.1 CÁC ĐỊNH NGHĨA VÀ TÍNH CHẤT CÂY
CÂY
Toán rời rạc huyenvt@tlu.edu.vn 4
Cây là một đồ thị vô hướng, liên thông và không có chu trình đơn
Định nghĩa 1:
Ví dụ:
CÂY
Toán rời rạc huyenvt@tlu.edu.vn 5
Ví dụ: Đồ thị nào sau đây là cây?
Đồ thị không có chu trình đơn và không liên thông gọi là rừng.
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