文章给出了效用函数在空间里的一个猜想模型，并证明了这种可能性。以及如何利用模型，求“Edgeworth盒”的契约曲线及无差异函数。
The paper gives a conjectural model of utility function on Non-Euclidean space , and proves this possibility , as well as a solution to Edgeworth contract curve and indifference function by utilizing the proposed model .
契约曲线