Osaka Journal of Mathematics is devoted entirely to the publication of original works in pure and applied mathematics.
![Open Access](/Content/themes/SPIEImages/OpenAccessIcon.png)
![](/images/journals/cover_ojm.jpg)
Existence of Spin structures on double branched covering spaces over four-manifolds
Seiji Nagami. (2000)
![Back to Top](/Images/Project Euclid/Back-Top_Icon.png)