가위 합동 (scissors congruence)

메모

• Johan L Dupont Scissors Congruences, Group Homology And Characteristic Classes
• http://www.math.csi.cuny.edu/abhijit/talks/scissors_slides.pdf
• Johan L Dupont What is a Scissors Congruence?
• http://www.math.brown.edu/~res/mathnotes.html