摘要
In this note, we give a generalization of the famous combinational identity (-1)^nn! = Σk=1^n (nk)(-1)^kk^n arising from symplectic geometry.
In this note, we give a generalization of the famous combinational identity (-1)^nn! = Σk=1^n (nk)(-1)^kk^n arising from symplectic geometry.