Abstract
The purpose of this paper is to explain why it is fruitful to think of Wiener space as an infinite--dimensional sphere of radius $\infty\frac{1}{2}$. The idea goes back to Levy and Wiener and has recently been employed to advantage by Hida; Hida, Kubo, Nomoto and Yosizawa; Kono; Orihara and Umemura; their results will be reported upon below.
Citation
H. P. McKean. "Geometry of Differential Space." Ann. Probab. 1 (2) 197 - 206, April, 1973. https://doi.org/10.1214/aop/1176996973
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